All Wiring Diagrams for Lexus SC 430 2010

AIR CONDITIONING

Automatic A/C Wiring Diagram (1 of 2) for Lexus SC 430 2010

List of elements for Automatic A/C Wiring Diagram (1 of 2) for Lexus SC 430 2010:

(center of dash) air foot control servo motor
(under steering column)
A/c control assembly (center of dash)
A/c room temperature sensor (center of dash)
A/c thermistor (center of dash)
A10
Acc
Aif
Air
Amcdr
Amcpa
Amhdr
Amhpa
Aod
Aof
Automatic light control sensor & a/c solar sensor (upper right side of dash)
Blower motor (right side of dash)
Blower motor controller (right side of dash)
Blw
C11
Cls
Computer data lines system
Dgs
Driver side j/b (left kick panel)
Emop
Emt1
Engine room 1 r/b (right side of engine compt)
Exhaust gas sensor (left front of engine compt)
Exterior lights system
F11
Fan 2 fuse 40a
Fan fuse 40a
Ft2cl
Ft2op
Gas
Gnd
Hazd
Heater fuse 10a
Heater fuse 50a
Hot at all times
Hot w/ ig1 relay energized
Ill+
Instrument panel j/b (upper center of dash)
Interior lights system
Junction connector j14 (right side of dash)
Mpx+
Mpx-
Mpx-ig fuse 7.5a
Multi- display
Navigation door & tilt control switch
Open
Pnk
Power tops system
Re1 open/
Re2
Red
Reos
S5-1
S5-2
Sg-1
Sg-2
Sg-3
Sg-4
Sw1
Sw2
Swe
Tilt close
Tp1
Tpdr
Tpo
Tppa
Tsdr
Tsl
Tspa
Tsr

Automatic A/C Wiring Diagram (2 of 2) for Lexus SC 430 2010

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List of elements for Automatic A/C Wiring Diagram (2 of 2) for Lexus SC 430 2010:

(left side of engine compt) engine room 2 r/b
(right kick panel) passenger side j/b ecu
A/c ambient temperature sensor (center of front bumper, behind grille)
A/c comp relay
A/c fuse 5a
A/c magnetic clutch & lock sensor (on a/c compressor)
Acmg
Air bag
Air inlet control servo motor (right side of dash)
Air mix control servo motor (driver side) (left center of dash)
Air mix control servo motor (passenger side) (right center of dash)
Air vent mode servo motor (center of dash)
C13
Computer data lines system
Cooling fan ecu (front of engine compt)
Driver side j/b (left kick panel)
Dual
E17
Ec (left side of cylinder head)
Ed (rear of left fender)
Engine control module (left side of engine compt)
Engine coolant temperature sensor (top right side of engine)
F11
Fan relay
Gnd
Gnd (vz)
Gnd(m)
Gnd(s)
Heater relay
Hot at all times
Hot w/ acc relay energized
Ii (left side dash brace)
Junction connector j1
Junction connector j3 (engine room 2 r/b)
Junction connector j4 (in ecu box)
Junction connector j8 (left end of dash)
Lcki
M+(m)
M+(s)
M-(m)
M-(s)
Mcool
Mhot
Mpos 1
Mpos 2
Mpos 6
Passenger side j/b (right kick panel)
Pr2
Pressure switch (upper left radiator support)
Radio 2 fuse 10a
Red
Rfc
Single
Tam
Thw
Vz (gnd)

ANTI-LOCK BRAKES

Anti-lock Brakes Wiring Diagram (1 of 2) for Lexus SC 430 2010

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List of elements for Anti-lock Brakes Wiring Diagram (1 of 2) for Lexus SC 430 2010:

(left front wheel hub assembly) left front abs speed sensor
(left side dash brace) ii
(rear of left fender) ed
(right front wheel hub assembly) right front abs speed sensor
Abs 1 fuse 60a
Abs 2 fuse 40a
Abs motor relay
Abs sol relay
Ast
Brake actuator (left rear of engine compt)
Brake fluid level warning switch (in brake fluid reservoir)
Driver side j/b (left kick panel)
Ee (rear of left fender)
Eng+
Eng-
Engine room 1 j/b (right side of engine compt)
Engine room 1 r/b (right side of engine compt)
Engine room 2 r/b (left side of engine compt)
Fl+
Fl-
Fr+
Fr-
Fss
Gnd1
Gnd2
Gnd3
Gnd4
Hot at all times
Junction connector j8 (left end of dash)
Lbl
Master cylinder pressure sensor (left rear of engine compt)
Mr1
Mr2
Mt+
Mt-
Mtt
Nca
Pmc
Pnk
Pps solenoid (right front of engine)
R1+
R2+
Red
Sa1
Sa2
Sa3
Sflh
Sflr
Sfrh
Sfrr
Short pin 3
Skid control ecu (left end of dash)
Sol+
Sol-
Srlh
Srlr
Srrh
Srrr
Str
Trac motor relay
Translate ecu (left side of dash)
Trc+
Trc-
Vcm

Anti-lock Brakes Wiring Diagram (2 of 2) for Lexus SC 430 2010

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List of elements for Anti-lock Brakes Wiring Diagram (2 of 2) for Lexus SC 430 2010:

(center of dash) ig
(left side of dash) parking brake switch
(right center of dash) center j/b
+bi
+bo
A30
A31
Abs ind
Abs-ig fuse 7.5a
Afs ecu (left end of dash)
Bat
Brake ind
Center j/b (right center of dash)
Combination meter
Computer data lines system
Csw
D-ig fuse 10a
D/g
D20
Driver side j/b (left kick panel)
Driver side j/b ecu (left kick panel)
E10
E14
E16
Engine room 2 r/b (left side of engine compt)
Ess
Flo
Ggnd
Gl1
Gl2
Gyaw
Hot at all times
Hot w/ ig 1 relay energized
Hot w/ ig 2 relay energized
Ig+
Ig1
Ig2
Ign fuse 5a
Ih (under steering column)
Interior lights system
Junction connector j13 (right side of dash)
Junction connector j2 (engine room 2 r/b)
Left rear abs speed sensor (left rear wheel hub assembly)
Mpx- b2 fuse 7.5a
Mpx1
Mpx2
Nca
Passenger side j/b (right kick panel)
Pkb
Pnk
Red
Right rear abs speed sensor (right rear wheel hub assembly)
Rl+
Rl-
Rr+
Rr-
Skid control ecu (left end of dash)
Slip ind
Sp1
Spdl
Ss+
Ss-
Ss1
Ss1+
Ss1-
Ss2+
Ss2-
Steering sensor (on steering column)
Stop fuse 5a
Stop light switch (left side of dash)
Stp
Stp1
Stpa
Trig
Vgs
Vsc off ind
Vsc off switch
Vsc warning buzzer (left side of dash)
Vys
Yaw
Yaw rate sensor (under center console)
Yaw2
Yss

ANTI-THEFT

Anti-theft Wiring Diagram (1 of 2) for Lexus SC 430 2010

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List of elements for Anti-theft Wiring Diagram (1 of 2) for Lexus SC 430 2010:

(right rear of luggage compt) j/c j18
(right side of dash) junction connector j13
Bdr
Bl (under driver's seat)
C16
Computer data lines system
Cpse
Cpub
Cty
D-door fuse 25a
D21
D22
D23
Dle
Driver door ecu (driver's door)
Driver side j/b (left kick panel)
E17
E18
Engine room 1 r/b (right side of engine compt)
F11
F17
Gnd
Hot at all times
Hot in on or acc
Hot in on or start
I15
I21
Instrument panel j/b (upper center of dash)
Kul
L22
L24
Lcm+
Lct
Lcte
Lcty
Left door courtesy switch (in left "b" pillar)
Left door lock motor, door key lock & unlock switch, & door unlock detection switch (driver's door)
Lock
Lsw
Luggage compartment door lock motor & detection switch (luggage compt lock assembly)
Luggage room j/b (left rear of luggage compt)
Luggage room j/b ecu (left rear of luggage compt)
Mpx+
Mpx-
Mpx-b1 fuse 7.5a
Mpx-ig fuse 7.5a
Mpx1
Mpx2
Mul
P-door fuse 25a
P41
P42
P43
Passenger door ecu (front passenger's door)
Passenger side j/b (right kick panel)
Pnk
Power window master switch
Pwe
Pws
Radio 2 fuse 10a
Red
Right door courtesy switch (in right "b" pillar)
Right door lock control switch
Right door lock motor & door unlock detection switch (front passenger's door)
S17
S18
Security fuse 7.5a
Sig
Sliding roof control ecu (left rear of luggage compt)
Tail fuse 7.5a
Unlock
Wls1
Wlsw

Anti-theft Wiring Diagram (2 of 2) for Lexus SC 430 2010

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List of elements for Anti-theft Wiring Diagram (2 of 2) for Lexus SC 430 2010:

(16-19 not used)
(25-28 not used)
(34-40 not used)
(6-12 not used)
(behind left side of dash) transponder key computer
(front center of engine compt) engine hood courtesy switch
(left kick panel) driver side j/b
(left side dash brace) ii
(under steering column) ih
+b2
Acc
Agnd
Air bag
Ant1
Ant2
B11
B20
Buzzer
Bzr
Bzr2
Canh
Canl
Center j/b (right center of dash)
Cncl
Code
Computer data lines system
Cpub
Cra relay
D19
Data
Driver side j/b (left kick panel)
Driver side j/b ecu (left kick panel)
Ed (rear of left fender)
Efii
Efio
Engine control module (left side of engine compt)
Engine room 1 r/b (right side of engine compt)
Engine room 2 r/b (left side of engine compt)
Exterior lights system
F17
Front controller
Gnd
Haz
Hdcy
Head lp relay
Headlights system
Horn fuse 10a
Horn relay
Horn-rly
Horns system
Hot at all times
Hot in on or start
Hrly
Ig2
Ign fuse 5a
Ih (under steering column)
Ile
Imi
Imo
Ind
Inner mirror
Interior lights system
J10
Junction connector j2 (engine room 2 r/b)
Junction connector j3 (in engine room 2 r/b)
Junction connector j9 & j10 (top left end of dash)
Ksw
Main fuse 50a
Main luggage compartment door opener switch
Mpx-
Mpx1
Mpx2
Passenger side j/b (right kick panel)
Passenger side j/b ecu (right kick panel)
Pnk
Rco
Rda
Red
Rssi
Rxck
Security indicator light headlight cleaner & mirror retractor switch
Sh-
Tail-rly
Theft deterrent ecu (left end of dash)
Theft deterrent horn (right front of engine compt)
Transponder key amplifier (left side of dash)
Transponder key coil
Turn- haz fuse 15a
Txct
Unlock warning switch (left side of dash)
Vc12
Wireless door lock buzzer (left rear of engine compt)
Wireless door lock control receiver

BODY CONTROL MODULES

Driver Side J/B ECU Wiring Diagram for Lexus SC 430 2010

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List of elements for Driver Side J/B ECU Wiring Diagram for Lexus SC 430 2010:

A31
Acc
Afs ecu (left end of dash)
Am1 fuse 5a
Anti-lock brakes system
Anti-theft system
Bklr
Bu+
Bu-
Bubs
C10
C11
Cltb
Clte
Clts
Cncl
Combination switch
Dbil
Dbkl
Driver side j/b (left kick panel)
Driver side j/b ecu
E12
E17
E20
Engine controls system
Engine room 1 r/b (right side of engine compt)
Exterior lights system
F12
Fuel
Gnd
Gnd2
Haz
Hdcl
Hdcy
Hdlo
Head
Headlights system
Hot at all times
Hot in run or start
Hrly
Ig (center of dash)
Ignition switch
Ii (left side dash brace)
Interior lights system
J/c j13 (right side of dash)
L24
Lock
Luggage room j/b (left rear of luggage compt)
Luggage room j/b ecu
Mirrors system
Mpx
Mpx-b
Mpx-b3 fuse 7.5a
Mpx-ig
Mpx-ig fuse 7.5a
Mpx1
Mpx2
Mpx3
Msw
Panel fuse 5a
Panel1
Panel2
Passenger side j/b (right kick panel)
Passenger side j/b ecu
Passive restraint system
Pnk
R/e
Red
Ret
Run off
Shift interlock system
Start
Stp
Stpa
Stpi
Stpo
Sw1
Sw2
Sw3
Tilt & telescopic ecu (left end of dash)
Tr+
Tr1
Tr2
Tr3
Trunk, tailgate, fuel doors system
Tsw
Turn lh
Turn rh
Turn-haz fuse 15a
Tx1
Warning systems
Wiper/washer system

Front Controller Wiring Diagram for Lexus SC 430 2010

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List of elements for Front Controller Wiring Diagram for Lexus SC 430 2010:

(right kick panel) passenger side j/b
A31
Afs ecu (left end of dash)
Driver side j/b (left kick panel)
E10
Ed (rear of left fender)
Engine room 1 r/b (right side of engine compt)
Engine room 2 r/b (left side of engine compt)
Exterior lights system
Ffog-rly
Fhhi(1)
Fhhi(2)
Fmb3
Fmig
Front controller
Gateway ecu (right side of dash)
Gnd
H-lp upr fuse 20a
Headlights system
Hlhl
Hlhr
Horn-rly
Horns system
Hot at all times
Hot in on or start
Junction connector j3 (engine room 2 r/b)
Mpl2
Mpx-b3 fuse 7.5a
Mpx-ig fuse 7.5a
Mpx1
Mpx2
Passenger side j/b (right kick panel)
Tail-rly
Wiper/washer system
Wsh-rly
Wslv

Luggage Room J/B ECU Wiring Diagram for Lexus SC 430 2010

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List of elements for Luggage Room J/B ECU Wiring Diagram for Lexus SC 430 2010:

Bck1
Bk/up
Bu-
Bubs
C11
Combination switch
Def
Defogger system
Driver side j/b (left kick
Driver side j/b ecu (left kick panel)
Engine room 1 r/b (right side of engine compt)
Exterior lights system
F12
F13
Fuel opn fuse 10a
Fuel opn(o)
Fuel opn(p)
Gateway ecu (right side of dash)
Hic
Hot at all times
Interior lights system
J/c j13 (right side of dash)
J/c j17 (left rear of luggage compt)
L o/c(p)
L22
L23
L24
Lce1
Lcm+
Lcty
Lgcy
Luggage room j/b (left rear of luggage compt)
Luggage room j/b ecu
Mpl1
Mpx+
Mpx-
Mpx-b
Mpx-b3 fuse 7.5a
Mpx-ig
Mpx-ig fuse 7.5a
Mpx2
P-gnd
Panel)
Passenger side j/b (right kick panel)
Pnk
Red
Rr j/b fuse 50a
Stop1
Stop2
Stp1
Stp3
Tail 1
Tail 2
Til1
Til2
Trunk, tailgate, fuel doors system

Passenger Side J/B ECU Wiring Diagram for Lexus SC 430 2010

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List of elements for Passenger Side J/B ECU Wiring Diagram for Lexus SC 430 2010:

A/c control assembly (center of dash)
A10
Acc
Air bag
Air conditioning system
Am1 fuse 5a
Back
Bkll
Driver side j/b (left kick panel)
Driver side j/b ecu circuit
E17
F11
Fspt
Gnd
Gnd1
Hot at all times
Hot in on or start
Ig (center of dash)
Ignition switch
Ih (under steering column)
Ile
Instrument panel j/b (upper center of dash)
Interior lights system
Lock
Mpx+
Mpx-
Mpx-b
Mpx-b2 fuse 7.5a
Mpx-ig
Mpx-ig fuse 7.5a
Navigation system
Off
Passenger side j/b (right kick panel)
Passenger side j/b ecu (right kick panel)
Passive restraint system
Pbil
Pwr
Red
Run
S/m
S/s
Snow
Start
Transmissions system
Wip
Wiper fuse 30a
Wiper/washer system

COMPUTER DATA LINES

Data Link Connector Wiring Diagram for Lexus SC 430 2010

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List of elements for Data Link Connector Wiring Diagram for Lexus SC 430 2010:

(center of dash) air bag sensor assembly
(center of dash) ig
(under steering column) ih
A21
B16
B18
Bat
Ca1h
Ca1l
Canh
Canl
Center j/b (right center of dash)
Combination meter
D/g
D20
D24
Data link connector (dlc) 3 (left side of dash)
Display & navigation module display (right rear of luggage compt)
Driver side j/b (left kick panel)
Ec (left side of cylinder head)
Engine control module (left side of engine compt)
F16
Gateway ecu (right side of dash)
Hot at all times
J/c j25 (right side of dash)
J/c j4 & j5 (in ecu box)
J/c j9 & j10 (top left end of dash)
J10
Obd fuse 7.5a
Pnk
Red
Sil
Skid control ecu (left end of dash)
Tac
Tach
Translate ecu (left side of dash)

High/Low Bus Wiring Diagram for Lexus SC 430 2010

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List of elements for High/Low Bus Wiring Diagram for Lexus SC 430 2010:

(center of dash)
(left kick panel) driver side j/b
(top left end of dash) j/c j9 & j10
(upper center of dash) instrument panel j/b
A/c control assembly (center of dash)
A10
A21
A31
Acc
Afs ecu (left end of dash)
Air
Air bag sensor assembly (under center console)
Atx+
Atx-
Bag
Batt
Bu+
Bu-
Bubs
C10
C11
Ca1h
Ca1l
Canh
Canl
Center j/b (right center of dash)
Combination meter
Combination switch
D20
D21
D25
Data link connector (dlc) 3 (left side of dash)
Display & navigation module display (right rear of luggage compt)
Driver door ecu (driver's door)
Driver side j/b ecu (left kick panel)
Driver's power seat ecu (under driver's seat)
E10
E16
E17
Engine control module (left side of engine compt)
Engine room 2 r/b (left side of engine compt)
Except usa
F11
F13
F18
Front passenger's power seat ecu (under front passenger's seat)
Gateway ecu (right side of dash)
Gnd
Gtx+
Gtx-
Hot at all times
Hot in on or acc
Hot in or or start
Ig (center of dash)
Ih (under steering column)
J/c j13 (right side of dash)
J/c j25 (right side of dash)
J10
L24
Luggage room j/b ecu (left rear of luggage compt)
Mpd1
Mpd2
Mpi1
Mpi2
Mpl1
Mpl2
Mpx
Mpx+
Mpx-
Mpx-b2 fuse 7.5a
Mpx-ig fuse 7.5a
Mpx1
Mpx1 front controller
Mpx2
Mpx3
Multi- display
Multi-display
P21
P23
P41
Passenger door ecu (front passenger's door)
Passenger mpx-
Passenger side j/b (right kick kick panel)
Passenger side j/b (right kick panel)
Pnk
Radio & player
Radio 2 fuse 10a
Red
S18
Side j/b ecu
Sil
Skid control ecu (left end of dash)
Sliding roof control ecu (left rear of luggage compt)
Theft deterrent ecu (left end of dash)
Tilt & telescopic ecu (left end of dash)
Tire pressure warning ecu & receiver
Translate ecu (left side of dash)
Transponder key computer (left side of dash)
Tx1
Tx1+
Tx1-
Txs+
Txs-
Usa
W/ navigation & except usa

COOLING FAN

Cooling Fan Wiring Diagram for Lexus SC 430 2010

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List of elements for Cooling Fan Wiring Diagram for Lexus SC 430 2010:

C11
C13
Cooling fan ecu (front of engine compt)
Driver side j/b (left kick panel)
Dual
Ed (rear of left fender)
Engine control module (left side of engine compt)
Engine coolant temperature sensor (top right side of engine)
Engine room 1 r/b (right side of engine compt)
Engine room 2 r/b (left side of engine compt)
Fan 2 fuse 40a
Fan fuse 40a
Fan relay
Gnd(m)
Gnd(s)
Heater fuse 10a
Hot at all times
Hot w/ ig1 relay energized
Ii (left side dash brace)
Junction connector j1 (engine room 2 r/b)
Junction connector j3 (engine room 2 r/b)
Junction connector j8 (left end of dash)
M+(m)
M+(s)
M-(m)
M-(s)
Pr2
Pressure switch (upper left radiator support)
Rfc
Single
Thw

CRUISE CONTROL

Cruise Control Wiring Diagram for Lexus SC 430 2010

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List of elements for Cruise Control Wiring Diagram for Lexus SC 430 2010:

(left side of dash) data link connector (dlc) 3
(right side of cylinder head)
+b1
+bm
+res
-set
Accel pedal position sensor (left center of dash)
Batt
C13
Cancel
Ccs
Center j/b (right center of dash)
Combination meter
Combination switch
Computer data lines system
Controlled transmission) (on transmission)
Cruise control switch
Cruise ind
D-ig fuse 10a
Driver side j/b (left kick panel)
Driver side j/b ecu (left kick panel)
E01
E02
E03
E19
Eb (right side of cylinder head)
Ec (left side of cylinder head)
Ecc
Ed (rear of left fender)
Efi fuse 25a
Efi relay
Engine control module (left side of engine compt)
Engine room r/b 1 (right side of engine compt)
Engine room r/b 2 (left side of engine compt)
Epa
Epa2
Etcs fuse 15a
F15
Ge01
Hot at all times
Hot w/ ig1 relay energized
Hot w/ ig2 relay energized
Ig+
Ign fuse 5a
Igsw
Ih (under steering column)
Junction conn- ector 2 (engine room r/b 2)
Junction connector (in ecu box)
Junction connector 2 (engine room r/b 2)
Junction connector 3 (engine room r/b 2)
Junction connector 4 & 5 (in ecu box)
Junction connector 5 (in ecu box)
Me01
Mpx1
Mpx2
Mrel
Nca
On/off
Park/ neutral position switch (on transmission)
Passenger side j/b (right kick panel)
Pnk
Red
Skid control ecu (left end of dash)
Sp1
Sp2+
Sp2-
Speedometer
St1-
Stop fuse 5a
Stop light switch (left side of dash)
Stp
Stpi
Stpo
Throttle body assembly (top center of engine)
Vcp2
Vcpa
Vehicle speed sensor (electronically
Vpa
Vpa2
Vta
Vta1
Vta2

DEFOGGERS

Heated Mirrors Wiring Diagram for Lexus SC 430 2010

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List of elements for Heated Mirrors Wiring Diagram for Lexus SC 430 2010:

(right side of dash) j/c j13
(under driver's seat) bl
A/c control assembly (center of dash)
A10
Acc
Bdr
Column)
Computer data lines system
Cpub
D-door fuse 25a
D21
D23
Driver door ecu (driver's door)
Driver side j/b (left kick panel)
E17
Engine room 1 r/b (right side of engine compt)
F11
Gnd
Hot at all times
Hot in acc or on
Hot in on or start
Htr+
Htr-
I15
Ih (under steering
Instrument panel j/b (upper center of dash)
J/c j18 (right rear of luggage compt)
Left remote control mirror
Luggage room j/b (left rear of luggage compt)
Mirror
Mirror heater
Mpx+
Mpx-
Mpx- b1 fuse 7.5a
Mpx-ig fuse 7.5a
Mpx1
Mpx2
P-door fuse 25a
P41
P43
Passenger door ecu (front passenger's door)
Passenger side j/b (right kick panel)
Radio 2 fuse 10a
Rear window defogger switch
Right remote control mirror heater
Sig

Rear Defogger Wiring Diagram for Lexus SC 430 2010

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List of elements for Rear Defogger Wiring Diagram for Lexus SC 430 2010:

A/c control assembly (center of dash)
A10
Acc
Bn (left quarterpanel)
Computer data lines system
Def
Defog fuse 30a
Defog relay
Dome fuse 7.5a
E13
E17
Gnd
Hot at all times
Hot in acc or on
Ih (under steering column)
Instrument panel j/b (upper center of dash)
L24
Luggage room j/b (left rear of luggage compt)
Luggage room j/b ecu (left rear of luggage compt)
Mpx+
Mpx-
Noise filter (rear window defogger) (left front of luggage compt)
Passenger side j/b (right kick panel)
R12
R13
Radio 2 fuse 10a
Rear window defogger (rear window)
Rear window defogger switch
Red

ELECTRONIC POWER STEERING

Electronic Power Steering Wiring Diagram for Lexus SC 430 2010

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List of elements for Electronic Power Steering Wiring Diagram for Lexus SC 430 2010:

+bi
+bo
A30
A31
Abs-ig fuse 7.5a
Afs ecu (left end of dash)
Bat
Center j/b (right center of dash)
Combination meter
D/g
Data link connector (dlc) 3 (left side of dash)
Driver side j/b (left kick panel)
E10
E14
E16
Ed (rear of left fender)
Ee (rear of left fender)
Ess
Flo
Gnd1
Gnd2
Gnd3
Gnd4
Hot at all times
Hot w/ ig1 relay energized
Ig1
Ih (under steering column)
J10
Junction connector j13 (right side of dash)
Junction connector j9 & j10 (top left end of dash)
Mpx-
Mpx-b2 fuse 7.5a
Mpx1
Passenger side j/b (right kick panel)
Pnk
Pps solenoid (right front of engine)
Red
Sil
Skid control ecu (left end of dash)
Sol+
Sol-
Sp1
Spdl
Ss+
Ss-
Ss1+
Ss1-
Ss2+
Ss2-
Steering sensor (on steering column)
Trig

ENGINE PERFORMANCE

4.3L

4.3L, Engine Performance Wiring Diagram (1 of 6) for Lexus SC 430 2010

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List of elements for 4.3L, Engine Performance Wiring Diagram (1 of 6) for Lexus SC 430 2010:

(left kick panel) driver side j/b ecu
(right kick panel) passenger side j/b
+b1
Accel pedal position sensor (left center of dash)
Acmg
Air conditioning system
Anti-theft system
B13
Batt
Canh
Canl
Ccs
Center j/b (right center of dash)
Combination meter
Computer data lines system
Cooling fans system
Cruise control system
D12
D20
Ect pwr ind
Ect snow ind
Engine control module (ecm) (left side of engine compt)
Epa
Epa2
F15
F16
Fpr
Ht1b
Ht2b
Ig (center of dash)
Ig+
Igsw
Ih (under steering column)
Imi
Imo
Interior lights system
J/c j2 (engine room 2 r/b)
Mil ind
Mpmp
Mrel
O1b-
O2b-
Ox1b
Ox2b
Pnk
Ppmp
Pr2
Red
Rfc
Sftd
Sftu
Spd
Speedometer
St1-
Sta
Starting/charging system
Stp
Stpi
Stpo
Tach
Tachometer
Tam
Transmission control switch
Vcp2
Vcpa
Vpa
Vpa2
Vpmp

4.3L, Engine Performance Wiring Diagram (2 of 6) for Lexus SC 430 2010

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List of elements for 4.3L, Engine Performance Wiring Diagram (2 of 6) for Lexus SC 430 2010:

(engine room 2 r/b) j/c j3
(in ecu box) j/c j5
Cir opn relay
D-ig fuse 10a
Driver side j/b (left kick panel)
Ed (rear of left fender)
Efi fuse 25a
Efi relay
Engine room 1 r/b (right side of engine compt)
Engine room 2 r/b (left side of engine compt)
Etcs fuse 15a
F/ pmp relay
Fuel pump & sender (in fuel tank)
Fuel pump resistor (left rear of engine compt)
Hot at all times
Hot in on or start
I16
Ign fuse 5a
J/c j17 (left rear of luggage compt)
Red
Stop fuse 5a
Stop light switch (left side of dash)

4.3L, Engine Performance Wiring Diagram (3 of 6) for Lexus SC 430 2010

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List of elements for 4.3L, Engine Performance Wiring Diagram (3 of 6) for Lexus SC 430 2010:

(engine room 2 r/b) j/c j2
(in transmission) electronically controlled transmission solenoid
Efi 2 fuse 10a
Ekn2
Eknk
Engine control module (ecm) (left side of engine compt)
Engine room 2 r/b (left side of engine compt)
Eoil
Knk1
Knk2
Knock sensor (bank 1)
Knock sensor (bank 2)
Mol
Mops
Nca
Nsw
Nt+
Nt-
Oil
Oil pressure switch (left front side of engine)
Red
Sl1+
Sl1-
Sl2+
Sl2-
Slt+
Slt-
Slu+
Slu-
Sp2+
Sp2-
Turbine speed sensor (on transmission)
Vehicle speed sensor (electronically controlled transmission) (on transmission)

4.3L, Engine Performance Wiring Diagram (4 of 6) for Lexus SC 430 2010

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List of elements for 4.3L, Engine Performance Wiring Diagram (4 of 6) for Lexus SC 430 2010:

(left kick panel) driver side j/b
(on transmission) park/neutral position switch
(right front of engine) engine oil level sensor
C14
Canister pressure sensor
Canister pump module (rear of vehicle chassis)
D n
Eb (right side of cylinder head)
Ec (left side of cylinder head)
Engine room 2 r/b (left side of engine compt)
F14
Gnd
Hot in on or start
Inj fuse 10a
J/c j23
J/c j24
J/c j4 & j5 (in ecu box)
Leak detection pump
Level
N r
Nca
Red
Sgnd
Temp
Vcc
Vent valve
Vout
Vsv (acis) (top right rear of engine)

4.3L, Engine Performance Wiring Diagram (5 of 6) for Lexus SC 430 2010

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List of elements for 4.3L, Engine Performance Wiring Diagram (5 of 6) for Lexus SC 430 2010:

(2, 4, 6 & 8: top right of engine) (1, 3, 5 & 7: top left of engine) fuel injectors
(top right side of engine)
E2g
Eb (right side of cylinder head)
Engine coolant temperature sensor (top right side of engine)
Gnd
Heated oxygen sensor (bank 1 sensor 1) (left exhaust manifold)
Heated oxygen sensor (bank 1 sensor 2) (exhaust system, near catalytic converter)
Heated oxygen sensor (bank 2 sensor 1) (right exhaust manifold)
Heated oxygen sensor (bank 2 sensor 2) (exhaust system, near catalytic converter)
Igf
Ignition coil & igniter 2
Ignition coil & igniter 4
Ignition coil & igniter 6
Ignition coil & igniter 8
Igt
Mass airflow (maf) meter (right side of engine compt)
Nca
Red
Right bank ignition noise filter
Tha
Vsv (purge) (top rear of engine)

4.3L, Engine Performance Wiring Diagram (6 of 6) for Lexus SC 430 2010

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List of elements for 4.3L, Engine Performance Wiring Diagram (6 of 6) for Lexus SC 430 2010:

(right side of cylinder head) eb
(top left side of engine)
+bm
Acis
Air conditioning system
Camshaft position sensor (left front of engine)
Crankshaft position sensor (left front of engine)
E01
E02
E03
E2g
Eb (right side of cylinder head)
Ec (left side of cylinder head)
Engine control module (ecm) (left side of engine compt)
G2-
Ge01
Gnd
Ht1a
Ht2a
Igf
Igf1
Igf2
Ignition coil & igniter 1
Ignition coil & igniter 3
Ignition coil & igniter 5
Ignition coil & igniter 7
Igt
Igt1
Igt2
Igt3
Igt4
Igt5
Igt6
Igt7
Igt8
Inj 1
Inj 2
Inj 3
Inj 4
Inj 5
Inj 6
Inj 7
Inj 8
J/c j23
J/c j24
Lcki
Left bank ignition noise filter
Left camshaft timing oil control valve (top left of engine)
Left vvt sensor (top left side of engine)
Me01
Nca
Ne+
Ne-
O1a-
O2a-
Oc1+
Oc1-
Ocr+
Ocr-
Ox1a
Ox2a
Prg
Red
Right camshaft timing oil control valve (top right of engine)
Right vvt sensor (top right side of engine)
Starting/charging system
Tha
Throttle body assembly (top center of engine)
Thw
Vta
Vta1
Vta2
Vv1+
Vv1-
Vv2+
Vv2-

EXTERIOR LIGHTS

Backup Lamps Wiring Diagram for Lexus SC 430 2010

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List of elements for Backup Lamps Wiring Diagram for Lexus SC 430 2010:

(right side of dash)
A31
Afs ecu (left end of dash)
Backup light switch (on transmission)
Bck1
Bk/up
Bl (under driver's seat)
C11
Ca1h
Ca1l
Canh
Canl
Combination switch
D-ig fuse 10a
Driver side j/b (left kick panel)
E10
Engine control module (left side of engine compt)
Engine room 1 r/b (right side of engine compt)
Engine room 2 r/b (left side of engine compt)
Front controller
Gateway ecu (right side of dash)
Hot at all times
Hot in on or start
Junction connector j17 (left rear of luggage compt)
Junction connector j25
Junction connector j5 (in ecu box)
L22
L24
Left back- up light
Luggage room j/b (left rear of luggage compt)
Luggage room j/b ecu
Mpl1
Mpl2
Mpx+
Mpx-
Mpx1
Mpx2
P-gnd
Passenger side j/b (right kick panel)
Red
Right back- up light
Rr j/b fuse 50a
Tilt & telescopic ecu (left end of dash)

Exterior Lamps Wiring Diagram (1 of 2) for Lexus SC 430 2010

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List of elements for Exterior Lamps Wiring Diagram (1 of 2) for Lexus SC 430 2010:

(left side of engine compt) engine room 2 r/b
(rear of left fender) ed
Bl (under driver's seat)
Bubs
C11
C12
C16
Center j/b (right center of dash)
Combination switch
Computer data lines system
Cra relay
Cty
D10
D20
Driver side j/b (left kick panel)
Engine room 1 r/b (right side of engine compt)
F11
Fmb3
Fmig
Front controller
Gnd
High mounted stop light
Hot at all times
Hot in on or start
Htr-
Ig (center of dash)
Instrument panel j/b (upper center of dash)
Interior lights system
Junction connector j1 (engine room 2 r/b)
Junction connector j13 (right side of dash)
Junction connector j14 (right side of dash)
Junction connector j17 (left rear of luggage compt)
Junction connector j18 (right rear of luggage compt)
Junction connector j3 (engine room 2 r/b)
Junction connector j8 (left end of dash)
L22
L23
L24
Lce lp fuse 7.5a
Lce1
Left front parking light
Left front side marker light
Left rear combination light
Left rear side marker light
Left stop light
License plate light
Luggage room j/b (left rear of luggage compt)
Luggage room j/b ecu
Mpx+
Mpx-
Mpx-b3 fuse 7.5a
Mpx-ig fuse 7.5a
Mpx1
Mpx2
P-gnd
P11
Passenger door ecu (front passenger's door )
Passenger side j/b (right kick panel)
Pnk
Red
Right front parking light
Right front side marker light
Right rear combination light
Right rear side marker light
Right remote control mirror
Right stop light
Rr j/b fuse 50a
Stop1
Stop2
Stp1
Stp3
Tail fuse 7.5a
Tail light
Tail-rly
Tail1
Tail2
Til1
Til2
Turn
Turn signal light
Tx1

Exterior Lamps Wiring Diagram (2 of 2) for Lexus SC 430 2010

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List of elements for Exterior Lamps Wiring Diagram (2 of 2) for Lexus SC 430 2010:

(under steering column) ih
+ig
A/c control assembly (center of dash)
Afs ecu (left end of dash)
Bl (under driver's seat)
Bu+
Bu-
Center j/b (right center of dash)
Combination meter
Computer data lines system
Cty
D-ig fuse 10a
D17
D19
Driver door ecu (driver's door)
Driver side j/b (left kick panel)
Driver side j/b ecu
E13
E18
Ed (rear of left fender)
Engine room 1 r/b (right side of engine compt)
F15
Gnd
Haz
Hazard switch
Hot at all times
Hot in on or start
Htr-
Ig+
Ih (under steering column)
Interior lights system
Junction connector j12 (right side of dash)
Junction connector j13 (right side of dash)
Junction connector j14 (right side of dash)
Junction connector j25 (right side of dash)
Junction connector j3 (engine room 2 r/b)
Left front turn signal light
Left remote control mirror
Left turn
Left turn ind
Luggage room j/b (left rear of luggage compt)
Mpx+
Mpx+b
Mpx-
Mpx-b
Mpx-b2 fuse 7.5a
Mpx1
Mpx2
Passenger side j/b (right kick panel)
Pnk
Rear lights ind
Red
Right front turn signal light
Right turn
Right turn ind
Stop fuse 5a
Stop light switch (left side of dash)
Stpi
Tail ind (canada)
Turn
Turn signal flasher relay (left side of dash)
Turn- haz fuse 15a

GROUND DISTRIBUTION

Ground Distribution Wiring Diagram (1 of 3) for Lexus SC 430 2010

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List of elements for Ground Distribution Wiring Diagram (1 of 3) for Lexus SC 430 2010:

(if equipped) multi- display
(if equipped) seat heater switch
A/c control assembly
A10
A21
A31
Acc relay
Afs ecu
Afs off switch
Air bag sensor assembly
Audio door control switch
B10
B11
B20
B21
B22
Brake actuator
Brake fluid level warning switch
C11
C13
Center j/b (right center of dash)
Cigarette lighter
Combi- nation switch
Combination meter
D10
D16
D17
D18
D19
D20
Data link connector
Driver side j/b (left kick panel)
Driver side j/b ecu
E j10
E12
E14
E20
Electronically controlled transmission pattern select switch
F j9
F14
F15
F16
F17
F18
Fuel lid opener switch
Gateway ecu
Glove box light
H j10
Ig (center of dash)
Ig 1 relay
Ih (under steering column)
Ii (left side dash brace)
Ij (right side dash brace)
Inner mirror
J/c j11 (center of dash)
J/c j9 & j10 (top left end of dash)
Left vanity light
Luggage compartment door opener main switch
Luggage compartment door opener switch
Mirror retractor switch, headlight cleaner switch & security indicator light
Passenger side j/b (right kick panel)
Passenger side j/b ecu
Personal light, garage door opener
Power outlet
Pressure switch
Radio & player
Right vanity light
Shift lock control ecu
Steering sensor
Telltale light assembly
Theft deterrent ecu
Tilt & telescopic ecu
Tire pressure warning ecu & receiver
Tire pressure warning reset switch
Tire pressure warning select switch
Trans- ponder key computer
Translate ecu
Transmission control switch
Turn signal flasher relay
Unlock warning switch & key interlock solenoid
Vsc off switch
W/ mirror retractor

Ground Distribution Wiring Diagram (2 of 3) for Lexus SC 430 2010

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List of elements for Ground Distribution Wiring Diagram (2 of 3) for Lexus SC 430 2010:

(left side of engine compartment) engine room 2 r/b
A/c magnetic clutch & lock sensor
B j4
B j5
B j9
Blower motor
Brake actuator
C10
Camshaft position sensor shield
Canister pump module
Combi- nation switch
Controller
Cooling fan ecu
Crankshaft position sensor shield
Data link connector
Driver side j/b (left kick panel)
E19
Ea (rear of right fender)
Eb (right side of cylinder head)
Ec (left side of cylinder head)
Ed (rear of left fender)
Ee (rear of left fender)
Efi relay
Engine control module
Engine hood courtesy switch
Engine oil level sensor
Engine room 1 r/b (right side of engine compartment)
Exhaust gas sensor
Fan relay
Front controller
Front wiper motor
Headlight cleaner control relay
Heated oxygen sensor (bank 1 sensor 1) shield
Heated oxygen sensor (bank 1 sensor 2) shield
Heated oxygen sensor (bank 2 sensor 1) shield
Heated oxygen sensor (bank 2 sensor 2) shield
If (left kick panel)
Ig2 relay
Ignition coil & igniter 1
Ignition coil & igniter 2
Ignition coil & igniter 3
Ignition coil & igniter 4
Ignition coil & igniter 5
Ignition coil & igniter 6
Ignition coil & igniter 7
Ignition coil & igniter 8
Ik (right kick panel)
J/c 24 (in ecu box)
J/c j14
J/c j23 (in ecu box)
J/c j3 (engine room 2 r/b)
J/c j4 & j5 (in ecu box)
J/c j8
J/c j9 & j10 (top left end of dash)
J10
J4 b
Knock sensor (bank 1) knock sensor (bank 2) shield
Left front fog light
Left front parking light
Left front side marker light
Left front turn signal light
Left headlight (high)
Left headlight assembly
Left vvt sensor shield
Multi- display
Nca
Park/neutral position switch, a/t indicator light switch & backup light switch
Pressure switch
Right front fog light
Right front parking light
Right front side marker light
Right front turn signal light
Right headlight (high)
Right headlight assembly
Right vvt sensor shield
Skid control ecu
Washer level sensor
Washer motor

Ground Distribution Wiring Diagram (3 of 3) for Lexus SC 430 2010

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List of elements for Ground Distribution Wiring Diagram (3 of 3) for Lexus SC 430 2010:

Auto antenna control relay
Bl (under driver's seat)
Bm (under front passenger's seat)
Bn (left quarterpanel)
Bo (near stereo component amplifier)
Bp (left quarterpanel)
Bq (right quarterpanel)
D19
D24
Display & navigation module display
Driver door ecu
Fuel lid opener motor
Fuel pump
High mounted stop light
J/c j17
J/c j18
J/c j19 (under driver's seat)
J/c j20 (under driver's seat)
J/c j21 (under front passenger's seat)
J/c j22 (under front passenger's seat)
L24
Left backup light
Left buckle switch
Left rear combi- nation light
Left rear side marker light
Luggage room j/b (left rear of luggage compt)
Luggage room j/b ecu
Lumbar support control switch (driver's seat)
Lumbar support control switch (front passenger's seat)
Occupant classification ecu
P21
P22
P23
P24
P43
Passenger door ecu
Power seat control switch (driver's seat)
Power seat control switch (front passenger's seat)
Power seat ecu (driver's seat)
Power seat ecu (front passenger's seat)
Power seat position sensor (driver's seat front vertical control)
Power seat position sensor (driver's seat lifter control)
Power seat position sensor (driver's seat reclining control)
Power seat position sensor (driver's seat slide control)
Power seat position sensor (front passenger's seat front vertical control)
Power seat position sensor (front passenger's seat lifter control)
Power seat position sensor (front passenger's seat reclining control)
Power seat position sensor (front passenger's seat slide control)
R13
Rear window defogger
Right backup light
Right buckle switch & occupant detection sensor
Right rear combi- nation light
Right rear side marker light
S18
S19
S33
Seat heater controller (driver's seat)
Seat heater controller (front passenger's seat)
Sliding roof control ecu
Stereo component amplifier

HEADLIGHTS

Adaptive Front Lighting Wiring Diagram for Lexus SC 430 2010

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List of elements for Adaptive Front Lighting Wiring Diagram for Lexus SC 430 2010:

(behind left headlamp assembly)
(behind right headlamp assembly)
(center of dash) ig
(on steering column) steering sensor
A30
A31
Abs-ig fuse 7.5a
Afs ecu (left end of dash)
Afs off indicator
Afs off switch
Bl1+
Bl1-
Bl2+
Bl2-
Br1+
Br1-
Br2+
Br2-
Center j/b (right center of dash)
Combination meter
Computer data lines system
D-ig fuse 10a
D19
D20
Driver side j/b (left kick panel)
E10 red
Ess
Flo
Front height control sensor (forward of left front strut tower)
H-lp lvl fuse 10a
Hot at all times
Hot in
Hot in on or start
Ig+
Ig1
Ih (under steering column)
Interior lights system
J/c j9 & j10 (top left end of dash)
J10
Junction connector j13 (right side of dash)
Left headlight beam level control actuator (behind left headlight assembly)
Left headlight swivel motor
Ll1+
Ll1-
Ll2+
Ll2-
Lr1+
Lr1-
Lr2+
Lr2-
Motor
Mpx+
Mpx+b
Mpx-
Mpx-b2 fuse 7.5a
Mpx1
Mpx2
Msw
On or start
Passenger side j/b (right kick panel)
Passenger side j/b ecu (right kick panel)
Pnk
Rear height control sensor (under left rear of vehicle)
Red
Right headlight beam level control actuator (behind right headlight assembly)
Right headlight swivel motor
Sbf
Sbr
Sensor
Sgf
Sgr
Shfl
Shrl
Skid control ecu (left end of dash)
Smbl
Smbr
Smgl
Smgr
Sml
Smr
Spdl
Ss+
Ss-
Ss2+
Ss2-

Headlamps Wiring Diagram (1 of 2) for Lexus SC 430 2010

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List of elements for Headlamps Wiring Diagram (1 of 2) for Lexus SC 430 2010:

(left kick panel) driver side j/b
Air conditioning system
Automatic light control sensor (upper right side of dash)
Bu+
Bu-
Bubs
C11
C12
C16
Center j/b (right center of dash)
Cltb
Clte
Clts
Combination meter
Combination switch
Computer data lines system
D-ig fuse 10a
D10
D20
Driver side j/b ecu
Driver side j/b ecu (left kick panel)
E14
E16
F11
F15
Fr fog fuse 15a
Front fog ind
Gateway ecu (right side of dash)
Gnd
Gnd2
Head
Head indicator (usa)
High beam indicator
Hot at all times
Hot in on or start
Hrly
Ig (center of dash)
Ig+
Ih (under steering column)
Ii (left side dash brace)
Instrument panel j/b (upper center of dash)
Junction connector j13 (right side of dash)
L24
Luggage room j/b ecu (left rear of luggage compartment)
Mpd1
Mpd2
Mpi1
Mpi2
Mpl1
Mpl2
Mpx+
Mpx+b
Mpx-
Mpx-b
Mpx-b2 fuse 7.5a
Mpx-b3 fuse 7.5a
Mpx-ig
Mpx-ig fuse 7.5a
Mpx1
Mpx2
Parking brake switch (left side of dash)
Passenger side j/b (right kick panel)
Pkb
Red
Skid control ecu (left end of dash)
Tail fuse 7.5a
Tilt & telescopic ecu (left end of dash)
Tsl
Tsr
Tx1

Headlamps Wiring Diagram (2 of 2) for Lexus SC 430 2010

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List of elements for Headlamps Wiring Diagram (2 of 2) for Lexus SC 430 2010:

(left side of engine compt) engine room 2 r/b
(right side of engine compt) engine room 1 r/b
A31
Afs ecu (left end of dash)
Computer data lines system
Control ecu light
Cra relay
Cty
Driver door ecu (driver's door)
E10
Ed (rear of left fender)
Exterior lights system
Ffog-rly
Fhhi(1)
Fhhi(2)
Fmb3
Fmig
Fr fog relay
Front controller
Gnd
H-lp l lwr fuse 15a
H-lp r lwr fuse 15a
H-lp upr fuse 20a
Head lp relay
Hlhl
Hlhr
Hot at all times
Junction connector j14 (right side of dash)
Junction connector j3 (engine room 2 r/b)
Junction connector j8 (left end of dash)
Left door courtesy switch (in left "b" pillar)
Left front fog light
Left headlight (high)
Left headlight assembly
Low (hid)
Main fuse 50a
Mpx1
Mpx2
Mpx2 d17
Passenger door ecu (front passenger's door)
Passenger side j/b (right kick panel)
Red
Right door courtesy switch (in right "b" pillar)
Right front fog light
Right headlight (high)
Right headlight assembly
Tail-rly

HORN

Horn Wiring Diagram for Lexus SC 430 2010

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List of elements for Horn Wiring Diagram for Lexus SC 430 2010:

C10
Canada
Combination switch
Computer data lines system
Driver side j/b (left kick panel)
Driver side j/b ecu (canada) (left kick panel)
Ed (rear of left fender)
Engine room 1 r/b (right side of engine compt)
Engine room 2 r/b (left side of engine compt)
Front controller
Gnd
Horn fuse 10a
Horn relay
Horn rly
Horn switch
Hot at all times
Junction connector j3 (engine room 2 r/b)
Left horn (behind grille)
Mpx
Mpx1
Mpx2
Mpx3
Passenger side j/b (usa) (right kick panel)
Pnk
Red
Right horn (behind grille)
Security fuse 7.5a
Usa

INSTRUMENT CLUSTER

Instrument Cluster Wiring Diagram for Lexus SC 430 2010

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List of elements for Instrument Cluster Wiring Diagram for Lexus SC 430 2010:

(canada)
(left end of dash) skid control ecu
(left side of cylinder head) ec
(left side of dash) data link connector (dlc) 3
(under
(usa)
A/c control assembly (center a10 of dash)
A/c fuse 5a
A10
Abs ind
Acc
Afs off ind
B13
B16
Brake fluid level warning switch (in brake fluid reservoir)
Brake ind
Buzzer
Canada
Canada usa
Canh
Canl
Center j/b (right center of dash)
Charge ind
Clock
Combination meter
Computer data lines system
Cruise ind
Cty
D-ig fuse 10a
D11
D12
D21
D24
Display & navigation module display
Driver door ecu (driver's door)
Driver side j/b (left kick panel)
E10
E11
E14
E16
E17
Ect pwr ind
Engine control module (left side of engine compt)
Engine controls system
Engine oil level sensor (right front of engine)
Etc snow ind
Exterior lights system
F11
F15
Front fog ind
Fuel
Fuel ind
Fuel sender (main) (in fuel tank)
Fuel sender (sub) (in fuel tank)
Gnd
Head ind
High beam ind
Hot at all times
Hot in on or acc
Hot in on or start
Ig+
Ih (under steering column)
Ii (left side dash brace)
Instrument panel j/b (upper center of dash)
Interior lights system
J/c j13 (right side of dash)
J/c j4 (in ecu box)
Lbl
Lcd (odometer/ trip)
Lcd (sequential)
Left door courtesy switch (in left "b" pillar)
Left turn ind
Maint reqd ind
Malfunction ind lamp
Mol
Mops
Mpx+
Mpx+b
Mpx-
Mpx-b2 fuse 7.5a
Mpx1
Mpx2
Multi- display
Multi-display
Navigation ecu (right rear of luggage compt)
Oil level ind
Oil pressure ind
Oil pressure switch (left front side of engine)
Open door ind
P41
Parking brake switch (left side of dash)
Passenger door ecu (front passenger's door)
Passenger side j/b (right kick panel)
Pkb
Pnk
Radio 2 fuse 10a
Rear lights ind
Red
Right door courtesy switch (in right "b" pillar)
Right turn ind
S23
S35
Seat belt ind
Skid control ecu (left end of dash)
Slip ind
Sp1
Spd
Speedometer
Srs ind
Steering column) ih
Stereo component amplifier (right rear of luggage compt)
Tac
Tach
Tachometer
Tail ind
Tire pressure ind
Trip switch
Usa
Vsc off ind
W/ navigation system
Warning system
Washer ind
Water temperature

INTERIOR LIGHTS

Courtesy Lamps Wiring Diagram (1 of 2) for Lexus SC 430 2010

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List of elements for Courtesy Lamps Wiring Diagram (1 of 2) for Lexus SC 430 2010:

A/c control assembly (center of dash)
A10
Afs ecu (left end of dash)
Air bag
C10
Center j/b (right center of dash)
D19
D20
Data
Dbil
Dome fuse 7.5a
Door
Driver side j/b (left kick panel)
Driver's side j/b ecu
E10
E13
E16
Engine room 2 r/b (left side of engine compt)
Front mpx1 controller
Fspt
Gateway ecu (right side of dash)
Gnd
Gnd1
Hot at all times
Ig (center of dash)
Ignition key cylinder light
Ih (under steering column)
Ile
Inner mirror
Instrument panel j/b (upper center of dash)
J/c j13 (right side of dash)
J/c j18 (right rear of luggage compt)
J/c j9 & j10 (top left end of dash)
J10
Ksw
Left foot light
Left vanity light
Map
Mpd1
Mpd2
Mpi1
Mpi2
Mpl1
Mpl2
Mpx
Mpx+
Mpx-
Mpx-b
Mpx-b2 fuse 7.5a
Mpx-b3 fuse 7.5a
Mpx1
Mpx2
Passenger side j/b (right kick panel)
Passenger side j/b ecu
Pbil
Personal light
Rco
Rda
Red
Right buckle switch (front passenger's seat belt buckle)
Right foot light
Right scuff plate light
Right vanity light
Rssi
Theft deterrent ecu (left end of dash)
Tire pressure warning ecu & receiver (center of dash)
Transponder key computer (left side of dash)
Unlock warning switch (left side of dash)
Wireless door lock control receiver

Courtesy Lamps Wiring Diagram (2 of 2) for Lexus SC 430 2010

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List of elements for Courtesy Lamps Wiring Diagram (2 of 2) for Lexus SC 430 2010:

(driver's seat belt buckle) left buckle switch
(under driver's seat)
(under steering column) ih
Air bag sensor assembly (center of dash)
Bdr
Bl (under driver's seat)
Combination meter
Combination switch
Cty
Ctyb
Cyl
D-door fuse 25a
D-ig fuse 10a
Driver door ecu (driver's door)
Driver side j/b (left kick panel)
Engine room 1 r/b (right side of engine compt)
F12
F13
F15
F18
Foot light
Gnd
Gnd d23
Hot at all times
Hot in on or start
Htr-
Ig+
J/c j13 (right side of dash)
J/c j17 (left rear of luggage compt) a
J/c j18 (right rear of luggage compt)
L22
L24
Left door courtesy light
Left door courtesy switch (in left "b" pillar)
Left luggage compartment light
Left remote control mirror
Left scuff plate light
Lgcy
Luggage room j/b (left rear of luggage compt)
Luggage room j/b ecu
Mpx+
Mpx+b
Mpx-
Mpx-b
Mpx1
Mpx2
Mpx2 d21
Open door ind
P-door fuse 25a
P-gnd
P41
P43
Passenger door ecu (front passenger's door)
Passenger side j/b (right kick panel)
Pnk
Power seat ecu (driver's seat)
Power seat ecu (front passenger's seat) (under front passenger's seat)
Red
Right door courtesy light
Right door courtesy switch
Right luggage compartment light
Right remote control mirror
Skid control ecu (left end of dash)
Sliding roof control ecu (left rear of luggage compt)
Tilt & telescopic ecu (left end of dash)

Instrument Illumination Wiring Diagram (1 of 3) for Lexus SC 430 2010

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List of elements for Instrument Illumination Wiring Diagram (1 of 3) for Lexus SC 430 2010:

(center of dash) ig
A/c control assembly (center of dash)
A10
Audio door control switch
B19
Bu+
Bu-
C j10
C j9
C11
C13
Center j/b (right center of dash)
Cigarette lighter
Combination switch
D10
D18
D20
Driver side j/b (left kick panel)
Driver side j/b ecu
E15
Electronically controlled transmission pattern select switch
F10
F11
Gnd
Gnd2
Hot at all times
Hot in on or start
I18
Ig (center of dash)
Ih (under steering column)
Ii (left side dash brace)
Ill+
Instrument panel j/b (upper center of dash)
J/c j9 & j10 (top left end of dash)
Mpx-ig fuse 7.5a
Mpx1
Mpx2
Panel fuse 5a
Panel1
Panel2
Pnk
Red
Remote control mirror switch
Reos
Rheostat
Seat heater switch (if equipped)
Sw1
Sw2
Sw3
Tr+
Tr1
Tr2
Tr3
Transmission control switch
Tx1
Usa w/ navigation
Vsc off switch

Instrument Illumination Wiring Diagram (2 of 3) for Lexus SC 430 2010

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List of elements for Instrument Illumination Wiring Diagram (2 of 3) for Lexus SC 430 2010:

A/c control assembly (center of dash)
Afs ecu (left end of dash)
Afs off switch
Canada
D24
Display & navigation module display (usa w/ navigation) (right rear of luggage compt)
E10
Engine room 2 r/b (left side of engine compt)
Front controller
Gateway ecu (right side of dash)
Gnd
Gnd1
Hot at all times
Ill+
Ill-
J/c j13 (right side of dash)
J/c j18 (right rear of luggage compt)
Mpd1
Mpd2
Mpi1
Mpi2
Mpl1
Mpl2
Mpx+ a10
Mpx- a9
Mpx-b3 fuse 7.5a
Mpx1
Mpx2
Multi- display
Multi-display (w/ navigation)
Passenger side j/b (right kick panel)
R19
Radio & player
Red
Swg
Tail
Tilt & telescopic ecu (left end of dash)
Tire pressure warning ecu & receiver (center of dash)
Transponder key computer (left side of dash)
Usa

Instrument Illumination Wiring Diagram (3 of 3) for Lexus SC 430 2010

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List of elements for Instrument Illumination Wiring Diagram (3 of 3) for Lexus SC 430 2010:

Air bag
Air bag sensor assembly (center of dash)
Bdr
Bl (under driver's seat)
Bubs
Center j/b (right center of dash)
Combination meter
D-door fuse 25a
D-ig fuse 10a
D19
D20
Data
Dle
Driver door ecu (driver's door)
Driver side j/b (left kick panel)
E14
E16
Engine room 1 r/b (right side of engine compt)
F13
F15
F18
Glove box light
Gnd
Gnd d23
Hot at all times
Hot in on or start
Ig (center of dash)
Ig+
Ih (under steering column)
Inner mirror
J/c j13 (right side of dash)
J/c j17 (left rear of luggage compt)
J/c j18 (right rear of luggage compt)
J/c j9 & j10 (top left end of dash)
J10
L24
Luggage room j/b (left rear of luggage compt)
Luggage room j/b ecu
Mpx
Mpx+
Mpx+b
Mpx-
Mpx-b2 fuse 7.5a
Mpx1
Mpx1 d21
Mpx2
P-door fuse 25a
P-gnd
P41
P43
Passenger door ecu (front passenger's door)
Passenger side j/b (right kick panel)
Passenger side j/b ecu
Pnk
Power seat ecu (driver's seat) (under driver's seat)
Power seat ecu (front passenger's seat) (under front passenger's seat)
Power window master switch
Pwe
Pws
Rco
Rda
Red
Right door lock control switch
Right power window control switch
Rss1
Rssi
Skid control ecu (left end of dash)
Sliding roof control ecu (left rear of luggage compt)
Theft deterrent ecu (left end of dash)
Wireless door lock control receiver
Wls1

MEMORY SYSTEMS

Memory Systems Wiring Diagram (1 of 3) for Lexus SC 430 2010

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List of elements for Memory Systems Wiring Diagram (1 of 3) for Lexus SC 430 2010:

(if equipped) mirror retractor switch
(under a2
Bdr
Computer data lines system
Cpub
D-door fuse 25a
D21
D22
D23
De2
Defogger system
Dm+r
Dmhr
Dmvr
Driver door ecu (driver's door)
Driver side j/b (left kick panel)
Driver side j/b ecu
Driving position memory switch
Dvc
Engine room 1 r/b (right side of engine compt)
Exterior lights system
F11
Foot light
Gnd
Hot at all times
Hot in on or start
Hssr
I15
I17
I19
I22
Ii (left side dash brace)
Instrument panel j/b (upper center of dash)
Interior lights system
J/c j13 (right side of dash)
J/c j18 (right rear of luggage compt)
L/r
Left remote control mirror
Luggage room j/b (left rear of luggage compt)
Mirrors system
Mpx-b
Mpx-b1 fuse 7.5a
Mpx-b3 fuse 7.5a
Mpx-ig
Mpx-ig fuse 7.5a
Mpx1
Mpx2
Mr+
Mr-
Mry
Msw
Mswe
P-door fuse 25a
P41
P42
P43
Passenger door ecu (front passenger's door)
Passenger side j/b (right kick panel)
Pe2
Pm+r
Pmhr
Pmvr
Pnk
Pvc
R/e
Red
Remote control mirror switch
Ret
Retrac
Right remote control mirror
Seat position memory switch (front passenger' s side)
Seat) bl
Sensor
Sig
Turn
Up/dn m
Vssr
W/ mirror retractor

Memory Systems Wiring Diagram (2 of 3) for Lexus SC 430 2010

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List of elements for Memory Systems Wiring Diagram (2 of 3) for Lexus SC 430 2010:

(under driver's seat) driver's seat reclining power seat motor
(under driver's seat) driver's seat slide power seat motor
Bl (under driver's seat)
Center j/b (right center of dash)
Computer data lines system
D p/seat fuse 30a
D-ig fuse 10a
Driver side j/b (left kick panel)
Driver's power seat control switch
Driver's power seat ecu (under driver's seat)
Driver's seat front vertical power seat motor (under driver's seat)
Driver's seat front vertical power seat position sensor (under driver's seat)
Driver's seat lifter power seat motor (under driver's seat)
Driver's seat lifter power seat position sensor (under driver's seat)
Driver's seat lumbar support control motor (driver's seat back)
Driver's seat lumbar support control switch
Driver's seat reclining power seat position sensor (under driver's seat)
Driver's seat slide power seat position sensor (under driver's seat)
Ecub
Ecue
Fdwn
Frv+
Frv-
Fup
G10
Gnd
Hot at all times
Hot in on or start
Ih (under steering column)
Ii (left side dash brace)
J/c j19 (under driver's seat)
J/c j20 (under driver's seat)
J10
Ksw
Ldwn
Lft+
Lft-
Lup
Mpx1
Mpx2
P21
P22
Pvcc
Rcl+
Rcl-
Rclf
Rclr
Red
Sgnd
Sld+
Sld-
Sldf
Sldr
Ssfv
Ssrr
Ssrs
Ssrv
Sysb
Tem+
Tem-
Ti & te fuse 15a
Tilt & telescopic ecu (left end of dash)
Tim+
Tim-
Transponder key computer (left side of dash)
Unlock warning switch (left side of dash)

Memory Systems Wiring Diagram (3 of 3) for Lexus SC 430 2010

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List of elements for Memory Systems Wiring Diagram (3 of 3) for Lexus SC 430 2010:

A/t indicator light switch (on transmission)
Bm (under front passenger's seat)
Bm (under passenger's seat)
Canh
Canl
Computer data lines system
Engine control module (left side of engine compt)
Fdwn
Front passenger's power seat control switch
Front passenger's seat front vertical power seat motor (under front passenger's seat)
Front passenger's seat front vertical power seat position sensor (under front passenger's seat)
Front passenger's seat lifter power seat motor (under front passenger's seat)
Front passenger's seat lifter power seat position sensor (under front passenger's seat)
Front passenger's seat lumbar support control motor (front passenger's seat back)
Front passenger's seat lumbar support control switch
Front passenger's seat reclining power seat motor (under front passenger's seat)
Front passenger's seat reclining power seat position sensor (under front passenger's seat)
Front passenger's seat slide power seat motor (under front passenger's seat)
Front passenger's seat slide power seat position sensor (under front passenger's seat)
Frv+
Frv-
Fup
Gnd
Hot at all times
J/c j21 (under front passenger's seat)
J/c j22 (under front passenger's seat)
J/c j5 (in ecu box)
Ldwn
Lft+
Lft-
Lup
Mpx1
Mpx2
P p/seat fuse 30a
P23
P24
Passenger side j/b (right kick panel)
Passenger's power seat ecu (under front passenger's seat)
Pvcc
Rcl+
Rcl-
Rclf
Rclr
Red
Sgnd
Sld+
Sld-
Sldf
Sldr
Ssfv
Ssrr
Ssrs
Ssrv
Sysb

NAVIGATION

Navigation Wiring Diagram (1 of 4) for Lexus SC 430 2010

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List of elements for Navigation Wiring Diagram (1 of 4) for Lexus SC 430 2010:

(right center of dash) center j/b
(right rear of luggage compt) j/c j18
+b1
Acc
Agnd
Audio door control switch
Back
Bag air
Computer data lines system
D20
D24
D27
D28
Display & navigation module display
Dome fuse 7.5a
Driver side j/b (left kick panel)
E13
E16
E17
Engine room r/b 1 (right side of engine compt)
F14
Gnd
Gnd1
Gps antenna
Hot at all times
Hot in on or acc
Ig (center of dash)
Instrument cluster system
Instrument panel j/b (upper center of dash)
Interior lights system
J/c j12 (right side of dash)
J/c j18 (right rear of luggage compt)
Left door speaker (squawker & tweeter)
M11
M12
Macc
Min+
Min-
Mpx-
Multimedia interface ecu assembly (under rear seat)
Nca
Parking brake switch (left side of dash)
Passenger side j/b (right kick panel)
Passenger side j/b ecu
Pkb
Pnk
Radio 1 fuse 30a
Radio 2 fuse 10a
Red
Rev
Right door speaker (squawker & tweeter)
Sgnd
Sns2
Spd
Sw1
Sw2
Swg
Tx+
Tx-
Tx1+
Tx1-
Tx2+
Tx2-
Udi+
Udi-
Uesg
Ugd1
Ulo+
Upo
Uro+
Usd1
Va-
Val+
Var+

Navigation Wiring Diagram (2 of 4) for Lexus SC 430 2010

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List of elements for Navigation Wiring Diagram (2 of 4) for Lexus SC 430 2010:

Acc
Au1
Au2
C13
Combination switch
Eau
Fl+
Fl-
Fr+
Fr-
J/c j15 (above right rear wheel)
J/c j9 & j10 (top left end of dash)
J10
Left front woofer
Left rear speaker
Mic+
Mic-
Microphone amplifier assembly (right kick panel)
Mode
Nca
Off hook
On hook
Pnk
Rear woofer
Red
Right front woofer
Right rear speaker
Rl+
Rl-
Rr+
Rr-
S32
S34
Seek+
Seek-
Stereo component amplifier (right rear of luggage compt)
Voice
Volume+
Volume-
Wfi+
Wfi-
Wfl+
Wfl-
Wfr+
Wfr-

Navigation Wiring Diagram (3 of 4) for Lexus SC 430 2010

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List of elements for Navigation Wiring Diagram (3 of 4) for Lexus SC 430 2010:

+b2
Agnd
Ali
Alo
Antenna
Ari
Aro
Asgn
Auxi
Auxo
Bo (near stereo component amplifier)
Gnd
Gnd2
Ig (center of dash)
Ij (right side dash brace)
Instrument cluster system
J/c j11 (center of dash)
Mi+
Mi-
Mo+
Mo-
Mtot
Nca
Ntsc
Pnk
Radio & player
Red
S33
S35
Sdars antenna
Sld
Sld1
Sldi
Sldo
Spd
Stereo component amplifier (right rear of luggage compt)
Stereo jack adapter assembly 1
Udo+
Udo-
Ujsg
Up1
Wui
Wuo

Navigation Wiring Diagram (4 of 4) for Lexus SC 430 2010

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List of elements for Navigation Wiring Diagram (4 of 4) for Lexus SC 430 2010:

Acc
Air conditioning system
Center j/b (right center of dash)
Computer data lines system
D18
D20
D25
D26
D29
Display & navigation module display
Engine room r/b 2 (left side of engine compt)
G10
Gnd
Gnd1
Gvif
Hot at all times
Hot in on or start
Hot in start
Ig (center of dash)
J/c j12 (right side of dash)
M10
Mi+
Mi-
Mo+
Mo-
Multi-display
Navigation door & tilt control
Nca
Ntsc
Ntsf
Op/cl
P-ig fuse 10a
Passenger side j/b (right kick panel)
Pnk
Re1
Re2
Red
Sgd1
Sld1
Sldi
Sldo
Starter fuse 7.5a
Sti
Tilt
Tv fuse 5a
Tx+
Tx-
Txi+
Txi-
Vmtf
Vmti
Vv+
Vv-
Wuo

PASSIVE RESTRAINTS

Passive Restraints Wiring Diagram for Lexus SC 430 2010

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List of elements for Passive Restraints Wiring Diagram for Lexus SC 430 2010:

A21
Air bag
Air bag sensor assembly (under center console)
Bkll
Bklr
Computer data lines system
D-ig fuse 10a
Dbkl
Driver side j/b (left kick panel)
Driver side j/b ecu (left kick panel)
E11
Hot in on or start
J/c j17 (left rear of luggage compt)
Left buckle switch (driver's seat belt buckle)
Left tension reducer solenoid (base of respective "b" pillar)
Mpx1
Mpx2
Passenger side j/b (right kick panel)
Passenger side j/b ecu
Red
Right buckle switch (front passenger's seat belt buckle)
Right tension reducer solenoid (base of respective "b" pillar)

POWER ANTENNA

Power Antenna Wiring Diagram for Lexus SC 430 2010

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List of elements for Power Antenna Wiring Diagram for Lexus SC 430 2010:

Antenna amplifier (right rear of luggage compt)
Auto antenna control relay (right side of luggage compt)
Center j/b (right center of dash)
E13
E17
Engine room 1 r/b (right side of engine compt)
Hot at all times
Hot in acc or on
Hot in on or start
Instrument panel j/b (upper center of dash)
J/c j12 (right side of dash)
J/c j15 (above right rear wheel)
J/c j18 (right rear of luggage compt)
J/c j26 (right side of luggage compt)
J/c j9 (top left end of dash)
P-ig fuse 10a
Passenger side j/b (right kick panel)
Radio 1 fuse 30a
Radio 2 fuse 10a

POWER DISTRIBUTION

Power Distribution Wiring Diagram (1 of 3) for Lexus SC 430 2010

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List of elements for Power Distribution Wiring Diagram (1 of 3) for Lexus SC 430 2010:

(rear of right fender) ea
Abs 1 fuse 60a
Abs 2 fuse 40a
Acc
Air conditioning system
Alt fuse 140a
Alt-s fuse 5a
Am1
Am1 fuse 5a
Am2
Am2 fuse 30a
Anti-lock brakes system
Battery
C13
Cooling fans system
Cruise control, engine controls & transmissions systems
Cruise control, transmissions, engine controls, anti-theft & anti-lock brakes systems
D-door fuse 25a
D/c cut fuse 15a
Driver side j/b (left kick panel)
E17
Efi fuse 25a
Efi relay
Engine controls system
Engine room 1 j/b (right side of engine compt)
Engine room 1 r/b (right side of engine compartment)
Engine room 2 r/b (left side of engine compartment)
Etcs fuse 15a
Exterior lights, door locks, anti-theft & body computer systems
F17
Fan 2 fuse 40a
Fan fuse 40a
From ignition switch (diagram 1 of 3)
H-lp upr fuse 20a
Headlamp relay
Headlights & body computer systems
Heater fuse 50a
Horn fuse 10a
Horns, door locks, anti-theft & body computer systems
Ig1
Ig2
Ig2 fuse 7.5a
Ig2 main fuse 20a
Ig2 relay
Ign fuse 5a
Ignition switch
Inj fuse 10a
Interior lights, defogger, power windows, mirrors, power tops, door locks & anti-theft systems
Lock
Main fuse 50a
Navigation, sound & power antenna systems
Off
P-door fuse 25a
Passenger side j/b (right kick panel)
Pnk
Radio 1 fuse 30a
Short pin 1
Short pin 2
St2
Start
Starter fuse 7.5a
Starter relay
Starting/ charging system
Starting/charging & engine controls systems
To driver side j/b (diagram 3 of 3)
To engine room 2 r/b (diagram 1 of 3)
To passenger side j/b (diagram 2 of 3)
To rr j/b fuse (diagram 2 of 3)
To tail fuse (diagram 3 of 3)
Transmissions, engine controls, starting/charging & navigation systems
Turn-haz fuse 15a

Power Distribution Wiring Diagram (2 of 3) for Lexus SC 430 2010

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List of elements for Power Distribution Wiring Diagram (2 of 3) for Lexus SC 430 2010:

A/c fuse 5a
Acc
Acc relay
Air conditioning, navigation & instrument cluster systems
Bk/up
Body computer & exterior lights systems
Body computer, sound, defogger, anti-theft, door locks, interior lights systems & garage door opener
C10
C12
C17
Cig fuse 15a
Cigarette lighter
Def
Defog fuse 30a
Defog relay
Defogger system
Dome fuse 7.5a
E13
E16
E17
Engine room 1 j/b (right side of engine compt)
Engine room 1 r/b (right side of engine compartment)
F11
From abs 1 f fuse (diagram 1 of 3)
From engine room 1 r/b (diagram 1 of 3)
From ignition switch (diagram 1 of 3)
Fuel opn fuse 10a
G10
Gnd
H-lp cln fuse 30a
H-lp lvl fuse 10a
Headlights system
Headlights, exterior lights, wiper/washer & body computer systems
Headlights, interior lights, body computer, mirrors, exterior lights, wiper/washer, memory & trunk, tailgate, fuel doors systems
Hic
I19
Ig (center of dash)
Ig1 relay
Ii (left side dash brace)
Interior lights system
J/c j11 (center of dash)
L o/c (p)
Lce lp fuse 7.5a
Lgg lh fuse 20a
Lgg rh fuse 20a
Luggage room j/b (left rear of luggage compartment)
Luggage room j/b ecu
Mirrors, seats, power windows, power tops, door locks, anti-theft, body computer & defogger systems
Mpx-b1 fuse 7.5a
Mpx-b2 fuse 7.5a
Mpx-b3 fuse 7.5a
Navigation system
Opn(p) fuel
P p/seat fuse 30a
P-ig fuse 10a
P-tray fuse 20a
Passenger mpx-b side j/b ecu
Passenger side j/b (right kick panel)
Passenger side j/b ecu
Pnk
Power tops system
Radio 2 fuse 10a
Red
Roof lh fuse 20a
Roof rh fuse 20a
Rr j/b fuse 50a
Seat htr fuse 20a
Seats system
Stop 1
Stop 2
Tail 1
Tail 2
To driver side j/b (diagram 3 of 3)
Tv fuse 5a
Warning, navigation, seats, shift interlock, mirrors & power antenna systems
Washer fuse 20a
Wiper/ washer system
Wiper/washer system

Power Distribution Wiring Diagram (3 of 3) for Lexus SC 430 2010

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List of elements for Power Distribution Wiring Diagram (3 of 3) for Lexus SC 430 2010:

Abs-ig fuse 7.5a
Acc relay
Accy
Air conditioning system
Air conditioning, headlights, navigation, interior lights, mirrors, defogger, body computer, memory, power tops, exterior lights, anti-theft, door locks, wiper/washer & power windows systems
Anti-lock brakes & headlights systems
Anti-lock brakes system
Body computer & wiper/washer systems
Body computer system
Body computer, door locks, power windows & anti-theft systems
C11
C16
Computer data lines, air conditioning & cooling fans systems
Cruise control & transmissions systems
Cruise control, engine controls, transmissions, body computer, shift interlock, exterior lights & anti-lock brakes systems
D p/seat fuse 30a
D-ig fuse 10a
Driver side j/b (left kick panel)
Driver side j/b ecu
E10
E11
F11
F16
F17
Fr fog fuse 15a
From fuse am1 (diagram 1 of 3)
From ignition switch (diagram 1 of 3)
From passenger side j/b (diagram 2 of 3)
G10
Gnd
Headlights & body computer systems
Headlights, exterior lights, door locks, anti-theft & body computer systems
Headlights, exterior lights, starting/charging, cruise control, mirrors, wiper/washer, power tops, transmissions, door locks & anti-theft systems
Heater fuse 10a
Horns & body computer systems
I15
I16
I17
Ig1 relay
Ii (left side dash brace)
J10
Memory systems
Mpx-ig
Mpx-ig fuse 7.5a
Obd fuse 7.5a
Panel fuse 5a
Panel1
Passive restraints & body computer systems
Pnk
Power outlet
Power windows, power tops, mirrors, defogger, body computer, anti-theft & door locks systems
Pwr outlet fuse 15a
Red
Seats system
Security fuse 7.5a
Stop fuse 5a
Tail fuse 7.5a
Ti & te fuse 15a
Wiper fuse 30a
Wiper/washer, exterior lights, body computer & headlights systems

POWER DOOR LOCKS

Power Door Locks Wiring Diagram (1 of 2) for Lexus SC 430 2010

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List of elements for Power Door Locks Wiring Diagram (1 of 2) for Lexus SC 430 2010:

(right rear of luggage compt) j/c j18
(right side of dash) junction connector j13
Bdr
Bl (under driver's seat)
C16
Computer data lines system
Cpse
Cpub
Cty
D-door fuse 25a
D21
D22
D23
Dle
Driver door ecu (driver's door)
Driver side j/b (left kick panel)
E17
E18
Engine room 1 r/b (right side of engine compt)
F11
F17
Gnd
Hot at all times
Hot in on or acc
Hot in on or start
I15
I21
Instrument panel j/b (upper center of dash)
Kul
L22
L24
Lcm+
Lct
Lcte
Lcty
Left door courtesy switch (in left "b" pillar)
Left door lock motor, door key lock & unlock switch, & door unlock detection switch (driver's door)
Lock
Lsw
Luggage compartment door lock motor & detection switch (luggage compt lock assembly)
Luggage room j/b (left rear of luggage compt)
Luggage room j/b ecu (left rear of luggage compt)
Mpx+
Mpx-
Mpx-b1 fuse 7.5a
Mpx-ig fuse 7.5a
Mpx1
Mpx2
Mul
P-door fuse 25a
P41
P42
P43
Passenger door ecu (front passenger's door)
Passenger side j/b (right kick panel)
Pnk
Power window master switch
Pwe
Pws
Radio 2 fuse 10a
Red
Right door courtesy switch (in right "b" pillar)
Right door lock control switch
Right door lock motor & door unlock detection switch (front passenger's door)
S17
S18
Security fuse 7.5a
Sig
Sliding roof control ecu (left rear of luggage compt)
Tail fuse 7.5a
Unlock
Wls1
Wlsw

Power Door Locks Wiring Diagram (2 of 2) for Lexus SC 430 2010

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List of elements for Power Door Locks Wiring Diagram (2 of 2) for Lexus SC 430 2010:

(16-19 not used)
(25-28 not used)
(34-40 not used)
(6-12 not used)
(behind left side of dash) transponder key computer
(front center of engine compt) engine hood courtesy switch
(left kick panel) driver side j/b
(left side dash brace) ii
(under steering column) ih
+b2
Acc
Agnd
Air bag
Ant1
Ant2
B11
B20
Buzzer
Bzr
Bzr2
Canh
Canl
Center j/b (right center of dash)
Cncl
Code
Computer data lines system
Cpub
Cra relay
D19
Data
Driver side j/b (left kick panel)
Driver side j/b ecu (left kick panel)
Ed (rear of left fender)
Efii
Efio
Engine control module (left side of engine compt)
Engine room 1 r/b (right side of engine compt)
Engine room 2 r/b (left side of engine compt)
Exterior lights system
F17
Front controller
Gnd
Haz
Hdcy
Head lp relay
Headlights system
Horn fuse 10a
Horn relay
Horn-rly
Horns system
Hot at all times
Hot in on or start
Hrly
Ig2
Ign fuse 5a
Ih (under steering column)
Ile
Imi
Imo
Ind
Inner mirror
Interior lights system
J10
Junction connector j2 (engine room 2 r/b)
Junction connector j3 (in engine room 2 r/b)
Junction connector j9 & j10 (top left end of dash)
Ksw
Main fuse 50a
Main luggage compartment door opener switch
Mpx-
Mpx1
Mpx2
Passenger side j/b (right kick panel)
Passenger side j/b ecu (right kick panel)
Pnk
Rco
Rda
Red
Rssi
Rxck
Security indicator light headlight cleaner & mirror retractor switch
Sh-
Tail-rly
Theft deterrent ecu (left end of dash)
Theft deterrent horn (right front of engine compt)
Transponder key amplifier (left side of dash)
Transponder key coil
Turn- haz fuse 15a
Txct
Unlock warning switch (left side of dash)
Vc12
Wireless door lock buzzer (left rear of engine compt)
Wireless door lock control receiver

POWER MIRRORS

Power Mirrors Wiring Diagram for Lexus SC 430 2010

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List of elements for Power Mirrors Wiring Diagram for Lexus SC 430 2010:

Center j/b (right center of dash)
D19
D20
D23
Data
Door locks system
Driver door ecu (driver's door)
Ec mirror
Ec+
Ec-
Eci+
Eci-
F14 pnk
Gnd
Hot in on or start
Ig (center of dash)
Ih (under steering column)
Inner mirror
J10
Junction connector j9 & j10 (top left end of dash)
Left remote control mirror
P-ig fuse 10a
P43
Passenger door ecu (front passenger's door)
Passenger side j/b (right kick panel)
Red
Right remote control mirror
Rssi

POWER SEATS

Power Seats Wiring Diagram for Lexus SC 430 2010

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List of elements for Power Seats Wiring Diagram for Lexus SC 430 2010:

B14
Bl (under driver's seat)
Bm (under front passenger's seat)
Center j/b (right center of dash)
D20
Driver's seat heater controller (under driver's seat)
Hot in on or start
Ig (center of dash)
Ih (under steering column)
Ill
Interior lights system
J/c j20 (under driver's seat)
J/c j21 (under front passenger's seat)
P-ig fuse 10a
Passenger side j/b (right kick panel)
Passenger's seat heater controller (under passenger's seat)
Red
Rvl
Rvr
Seat heater switch
Seat htr fuse 20a
Swl
Swr
Thl
Thr

POWER TOP/SUNROOF

Power Top/Sunroof Wiring Diagram (1 of 2) for Lexus SC 430 2010

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List of elements for Power Top/Sunroof Wiring Diagram (1 of 2) for Lexus SC 430 2010:

Blgl
Blgr
Bpt
Brfl
Brfr
C10 red
Cls
Computer data lines system
Cpub
Hot at all times
J/c j17 (left rear of luggage compartment)
L22
L24
Lct
Lcte
Lcty
Left quarter power window motor (front of left quarterpanel)
Lfl+
Lfl-
Lfr+
Lfr-
Lh lgg fuse 20a
Lh roof fuse 20a
Limit switch (left luggage front lock) (left rear side of luggage compt)
Limit switch (package tray 1) (left side of package tray)
Limit switch (roof close, left) (left side of roof)
Limit switch (roof close, right) (right side of roof)
Limit switch (roof lock) (left side of roof)
Limit switch (roof position 3) (above right rear wheel)
Limit switch (tonneau cover) (front of luggage compartment)
Lll
Llle
Lml+
Lml-
Lpl
Lplb
Lple
Luggage compartment door closer motor (left) left side of luggage compt)
Luggage compartment door closer motor (right) (right side of luggage compt)
Luggage compartment door lock motor & detection switch (luggage compt lock assembly)
Luggage room j/b (left rear of luggage compt)
Luggage room j/b ecu (left rear of luggage compt)
Mpx+
Mpx-
Open
P-tray fuse 20a
Package tray motor (under center of package tray)
Pnk
Ptm+
Ptm-
Ptp1
Ptp2
Ptpe
Qwl+
Qwl-
Rcl
Rcle
Rcr
Rcre
Red
Rh lgg fuse 20a
Rh roof fuse 20a
Rhl
Rhle
Rll
Rlle
Rlm+
Rlm-
Rml+
Rml-
Roof lock motor (front of roof)
Rpl
Rplb
Rple
S17
S19
S21
Sliding roof control ecu (left rear of luggage compt)
Swe
Tcs
Tcse

Power Top/Sunroof Wiring Diagram (2 of 2) for Lexus SC 430 2010

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List of elements for Power Top/Sunroof Wiring Diagram (2 of 2) for Lexus SC 430 2010:

(above right rear wheel) limit switch (package tray 2)
(forward of left rear wheel) limit switch (roof position 1 & 2)
(rear center of vehicle) limit switch (roof open)
(right rear side of luggage compt) limit switch (right luggage front lock)
A/c control assembly (center of dash)
A10
Bm (under front passenger's seat)
Cls
Computer data lines system
Driver side j/b (left kick panel)
Gnd
Hot at all times
Hot in on or start
I20
Ign
Ih (under steering column)
Instrument panel j/b (upper center of dash)
J/c j13 (right side of dash)
J/c j18 (right rear of luggage compartment)
Lcr
Lcre
Left luggage compartment door drive motor (left side of luggage compt)
Left roof drive motor (base of left "c" pillar)
Limit switch (luggage compartment door open & close)
Llr
Llre
Lmr+
Lmr-
Lor
Lpr
Lprb
Lpre
Mpx+
Mpx-
Mpx-b1 fuse 7.5a
Mpx-ig fuse 7.5a
Mpx1
Mpx2
Open
Passenger side j/b (right kick panel)
Pnk
Qwr+
Qwr-
Red
Rhr1
Rhr2
Rhre
Right luggage compartment door drive motor (right side of luggage compt)
Right quarter power window motor (front of right quarterpanel)
Right roof drive motor (base of right "c" pillar)
Rmr+
Rmr-
Ror
Rore
Rpr
Rprb
Rpre
S18
S20
Sgnd
Sig
Sliding roof control ecu (left rear of luggage compt)
Swe

POWER WINDOWS

Power Windows Wiring Diagram for Lexus SC 430 2010

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List of elements for Power Windows Wiring Diagram for Lexus SC 430 2010:

(in left "b" pillar) left door courtesy switch
(left kick panel) driver side j/b
(under driver's seat) bl
(under steering column)
(upper center of dash) instrument panel j/b
+b1
+b2
Acc
Auto
Bdr
Bzr
Bzr2
Center j/b (right center of dash)
Computer data lines system
Cpse
Cpub
Cty
D-door fuse 25a
D19
D21
D22
D23
Ddn
Dn auto
Dn man
Driver door ecu (driver's door)
Dt1
Dup
E17
E18
Engine room 1 r/b (right side of engine compt)
F11
F17
Gnd
Hot at all times
Hot in on or acc
Hot in on or start
I15
I21
Inner mirror
J10
J9 f
Junction connector 13 (right side of dash)
Junction connector 18 (right rear of luggage compartment)
Junction connector 9 & 10 (top left end of dash)
Kul
Left door key lock & unlock switch (driver's door)
Left power window motor (left door)
Lmt
Luggage room j/b (left rear of luggage compt)
Mdn
Mpx
Mpx-b1 fuse 7.5a
Mpx-ig fuse 7.5a
Mpx1
Mpx2
Mul
Mup
P-door fuse 25a
P41
P43
Passenger door ecu (front passenger's door)
Passenger side j/b (right kick panel)
Pct
Pls
Power window master switch
Pwe
Pws
Radio 2 fuse 10a
Rco
Rda
Red
Right door courtesy switch (in right "b" pillar)
Right power window control switch
Right power window motor (passenger's door)
Rssi
Sc1
Sc2
Sc3
Security fuse 7.5a
Sgnd
Sig
Theft deterrent ecu (left end of dash)
Up auto
Up man
W/l
Wireless door lock buzzer (left rear of engine compt)
Wireless door lock control receiver
Wls1
Wlsw

RADIO

Radio Wiring Diagram (1 of 4) for Lexus SC 430 2010

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List of elements for Radio Wiring Diagram (1 of 4) for Lexus SC 430 2010:

(right center of dash) center j/b
(right rear of luggage compt) j/c j18
+b1
Acc
Agnd
Audio door control switch
Back
Bag air
Computer data lines system
D20
D24
D27
D28
Display & navigation module display
Dome fuse 7.5a
Driver side j/b (left kick panel)
E13
E16
E17
Engine room r/b 1 (right side of engine compt)
F14
Gnd
Gnd1
Gps antenna
Hot at all times
Hot in on or acc
Ig (center of dash)
Instrument cluster system
Instrument panel j/b (upper center of dash)
Interior lights system
J/c j12 (right side of dash)
J/c j18 (right rear of luggage compt)
Left door speaker (squawker & tweeter)
M11
M12
Macc
Min+
Min-
Mpx-
Multimedia interface ecu assembly (under rear seat)
Nca
Parking brake switch (left side of dash)
Passenger side j/b (right kick panel)
Passenger side j/b ecu
Pkb
Pnk
Radio 1 fuse 30a
Radio 2 fuse 10a
Red
Rev
Right door speaker (squawker & tweeter)
Sgnd
Sns2
Spd
Sw1
Sw2
Swg
Tx+
Tx-
Tx1+
Tx1-
Tx2+
Tx2-
Udi+
Udi-
Uesg
Ugd1
Ulo+
Upo
Uro+
Usd1
Va-
Val+
Var+

Radio Wiring Diagram (2 of 4) for Lexus SC 430 2010

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List of elements for Radio Wiring Diagram (2 of 4) for Lexus SC 430 2010:

Acc
Au1
Au2
C13
Combination switch
Eau
Fl+
Fl-
Fr+
Fr-
J/c j15 (above right rear wheel)
J/c j9 & j10 (top left end of dash)
J10
Left front woofer
Left rear speaker
Mic+
Mic-
Microphone amplifier assembly (right kick panel)
Mode
Nca
Off hook
On hook
Pnk
Rear woofer
Red
Right front woofer
Right rear speaker
Rl+
Rl-
Rr+
Rr-
S32
S34
Seek+
Seek-
Stereo component amplifier (right rear of luggage compt)
Voice
Volume+
Volume-
Wfi+
Wfi-
Wfl+
Wfl-
Wfr+
Wfr-

Radio Wiring Diagram (3 of 4) for Lexus SC 430 2010

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List of elements for Radio Wiring Diagram (3 of 4) for Lexus SC 430 2010:

+b2
Agnd
Ali
Alo
Antenna
Ari
Aro
Asgn
Auxi
Auxo
Bo (near stereo component amplifier)
Gnd
Gnd2
Ig (center of dash)
Ij (right side dash brace)
Instrument cluster system
J/c j11 (center of dash)
Mi+
Mi-
Mo+
Mo-
Mtot
Nca
Ntsc
Pnk
Radio & player
Red
S33
S35
Sdars antenna
Sld
Sld1
Sldi
Sldo
Spd
Stereo component amplifier (right rear of luggage compt)
Stereo jack adapter assembly 1
Udo+
Udo-
Ujsg
Up1
Wui
Wuo

Radio Wiring Diagram (4 of 4) for Lexus SC 430 2010

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List of elements for Radio Wiring Diagram (4 of 4) for Lexus SC 430 2010:

Acc
Air conditioning system
Center j/b (right center of dash)
Computer data lines system
D18
D20
D25
D26
D29
Display & navigation module display
Engine room r/b 2 (left side of engine compt)
G10
Gnd
Gnd1
Gvif
Hot at all times
Hot in on or start
Hot in start
Ig (center of dash)
J/c j12 (right side of dash)
M10
Mi+
Mi-
Mo+
Mo-
Multi-display
Navigation door & tilt control
Nca
Ntsc
Ntsf
Op/cl
P-ig fuse 10a
Passenger side j/b (right kick panel)
Pnk
Re1
Re2
Red
Sgd1
Sld1
Sldi
Sldo
Starter fuse 7.5a
Sti
Tilt
Tv fuse 5a
Tx+
Tx-
Txi+
Txi-
Vmtf
Vmti
Vv+
Vv-
Wuo

SHIFT INTERLOCK

Shift Interlock Wiring Diagram for Lexus SC 430 2010

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List of elements for Shift Interlock Wiring Diagram for Lexus SC 430 2010:

A/t indicator light switch (on transmission)
Acc
B10
Canh
Canl
Center j/b (right center of dash)
Computer data lines system
D-ig fuse 10a
D16
D20
Driver side j/b (left kick panel)
Driver side j/b ecu (left kick panel)
E17
Engine control module (left side of engine compt)
F10
Hot at all times
Hot w/ acc relay energized
Hot w/ ig 1 relay energized
Hot w/ ig1 relay energized
Ig (center of dash)
Ih (under steering column)
Instrument panel j/b (upper center of dash)
J/c j5 (in ecu box)
Key interlock solenoid (left side of dash)
Kls+
Mpx1
Mpx2
P-ig fuse 10a
Passenger side j/b (right kick panel)
Radio 2 fuse 10a
Red
Shift lock control ecu (under center console)
Stop fuse 5a
Stop light switch (left side of dash)
Stp
Stpi

STARTING/CHARGING

Charging Wiring Diagram for Lexus SC 430 2010

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List of elements for Charging Wiring Diagram for Lexus SC 430 2010:

(right side of engine compt) engine room 1 j/b
(right side of engine compt) engine room 1 r/b
Alt fuse 140a
Alt-s fuse 5a
Battery
Canh
Canl
Charge indicator
Combination meter
Computer data lines system
D-ig fuse 10a
Driver side j/b (left kick panel)
Engine control module (left side of engine compt)
F15
Generator
Hot w/ ig 1 relay energized
Ig+
Ih (under steering column)
Junction connector j5 (in ecu box)
Mpx+
Passenger side j/b (right kick panel)
Red
Starter

Starting Wiring Diagram for Lexus SC 430 2010

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List of elements for Starting Wiring Diagram for Lexus SC 430 2010:

Acc
Am2
Am2 fuse 30a
Battery
Ed (rear of left fender)
Engine control module (left side of engine compt)
Engine room 1 j/b (right side of engine compt)
Engine room 1 r/b (right side of engine compt)
Engine room 2 r/b (left side of engine compt)
Ignition switch
Junction connector (in ecu box)
Junction connector j3 (in engine room 2 r/b)
Lock
Off
Park/neutral position switch (on transmission)
Short pin 1
Short pin 2
St2
Sta
Start
Starter
Starter fuse 7.5a
Starter relay

SUPPLEMENTAL RESTRAINTS

Supplemental Restraints Wiring Diagram (1 of 3) for Lexus SC 430 2010

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List of elements for Supplemental Restraints Wiring Diagram (1 of 3) for Lexus SC 430 2010:

(base of left "b" pillar) pretensioner (left)
(left door) door side air bag sensor (left)
(left side of driver's seat) side air bag squib (left)
(right side of front passenger's seat) side air bag squib (right)
+sl
+sr
-sl
-sr
A20
A21
A22
Air bag sensor assembly (center of dash)
Air bag squib (front passenger air bag assembly) (right side of dash)
Air bag squib (steering wheel pad) (center of steering wheel)
Buckle switch
Buckle switch (left) (driver's seat belt buckle)
D2+
D2-
Dk+
Dk-
Door side air bag sensor (left) (left door)
Door side air bag sensor (right) (passenger's door)
Escl
Escr
Esl
Esr
F17
Fsr+
Fsr-
Hot in on or start
Ig2
Ig2 fuse 7.5a
Knee air bag squib (driver) (driver lower side of dash)
Knee air bag squib (front passenger) (right front lower side of dash)
Lbe+
Lbe-
Lsp+
Lsp-
Mpx1
Mpx2
P-ab
P2+
P2-
Paon
Passenger side j/b (right kick panel)
Pk+
Pk-
Pl+
Pl-
Pnk
Pr+
Pr-
Pretensioner (right) (base of right "b" pillar)
Red
Seat position air bag sensor
Sfl+
Sfl-
Sfr+
Sfr-
Side air bag sensor (left) (forward of left rear wheels)
Sil
Vucl
Vucr
Vupl
Vupr

Supplemental Restraints Wiring Diagram (2 of 3) for Lexus SC 430 2010

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List of elements for Supplemental Restraints Wiring Diagram (2 of 3) for Lexus SC 430 2010:

(center of dash) a/c control assembly
(left side dash brace) ii
(right kick panel) passenger side j/b
(top left end of dash) j/c j9 & j10
(under steering column) ih
A10
Acan
Afs ecu (left end of dash)
Air bag
Air bag on\off indicator light
Air bag sensor (left front) (left front of engine compt)
Air bag sensor (right front) (right front of engine compt)
Buckle switch (left) (driver's seat belt buckle)
Ca1h
Ca1l
Center j/b (right center of dash)
Combination meter
D-ig fuse 10a
D19
D20
Data link connector (dlc) 3 (left side of dash)
Dbkl
Driver side j/b (left kick panel)
Driver side j/b ecu (left kick panel)
E16
E17
F13
F15
Gateway ecu (right side of dash)
Gnd
Hot at all times
Hot in on or acc
Hot in on or start
Ig (center of dash)
Ig+
Instrument panel j/b (upper center of dash)
J/c j13 (right side of dash)
J/c j18 (right rear of luggage compt)
J/c j9 & j10 (top left end of dash)
J10
Mpd1
Mpd2
Mpi1
Mpi2
Mpl1
Mpl2
Mpx+
Mpx+b
Mpx-
Mpx-b2 fuse 7.5a
Mpx1
Mpx2
P-ab
Paon
Passenger side j/b (right kick panel)
Passenger side j/b ecu
Radio 2 fuse 10a
Red
Sil
Skid control ecu (left end of dash)
Srs ind
Telltale light assembly
Tire pressure warning ecu & receiver (center of dash)

Supplemental Restraints Wiring Diagram (3 of 3) for Lexus SC 430 2010

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List of elements for Supplemental Restraints Wiring Diagram (3 of 3) for Lexus SC 430 2010:

(left end of dash) tilt & telescopic ecu
(left rear of luggage compt) luggage room j/b ecu
(left side of engine compt) engine control module
Bgnd
Bsw
Can h
Can l
Combination switch
Dia
Driver door ecu (driver's door)
E10
Engine room 2 r/b (left side of engine compt)
F18
Front controller
Fsr+
Fsr-
Gbt
Gnd
Gps
J/c j18 (right rear of luggage compartment)
J/c j25 (right side of dash)
L24
Mpx +
Mpx -
Mpx 1
Mpx 2
Mpx1
Mpx2
Occupant classification ecu (under front passenger's seat)
Occupant classification sensor (under front passenger's seat)
Passenger door ecu (front passenger's door)
Passenger side j/b (right kick panel)
Pnk
Power seat ecu (driver's seat) (under driver's seat)
Power seat ecu (front passenger's seat) (under front passenger's seat)
Red
Right buckle switch (front passenger's seat belt buckle)
Seat belt tension sensor (base of right "b" pillar)
Sliding roof control ecu (left rear of luggage compt)
Theft deterrent ecu (left end of dash)
Transponder key ecu
Vbt
Vps

TRANSMISSION

Transmission Wiring Diagram (1 of 2) for Lexus SC 430 2010

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List of elements for Transmission Wiring Diagram (1 of 2) for Lexus SC 430 2010:

(right center of dash)
+b1
+bm
Accelerator pedal position sensor (left center of dash)
B16
Batt
Canh
Canl
Center j/b
Center j/b (right center of dash)
Circuit
Combination meter
Computer data lines system
Crankshaft position sensor (left front of engine)
D-ig fuse 10a
D17
Data link connector (dlc) 3 (left side of dash)
Driver side j/b (left kick panel)
Driver side j/b ecu (left kick panel)
Ect pwr ind
Ect snow ind
Ed (rear of left fender)
Efi fuse 25a
Efi relay
Electronically controlled transmission pattern select switch
Engine control module (left side of engine compt)
Engine room 1 r/b (right side of engine compt)
Engine room 2 r/b (left side of engine compt)
Epa
Epa2
Etcs fuse 15a
F15
Hot at all times
Hot in on or start
I16
Ig+
Ign fuse 5a
Igsw
Ih (under steering column)
Interior lights system
J/c j2 (engine room 2 r/b)
J/c j23 & j24 (in ecu box)
J/c j3 (engine room 2 r/b)
J/c j4 & j5 (in ecu box)
J/c j5 (in ecu box)
J23
J24
Mil ind
Mpx+b
Mpx-
Mrel
Nca
Nca d
Ne+
Ne-
Passenger side j/b (right kick panel)
Passenger side j/b ecu (right kick panel)
Pnk
Pwr
Red
Snow
Speedometer
Stop fuse 5a
Stop light switch (left side of dash)
Stp
Stpi
Stpo
Tac
Tach
Tachometer
Vcp2
Vcpa
Vpa
Vpa2

Transmission Wiring Diagram (2 of 2) for Lexus SC 430 2010

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List of elements for Transmission Wiring Diagram (2 of 2) for Lexus SC 430 2010:

(in transmission) electronically controlled transmission solenoid
(on transmission) park/netural position switch
Center j/b (right center of dash)
D20
E01
E02
E03
Eb (right side of cylinder head)
Ec (left side of cylinder head)
Engine control module (left side of engine compt)
Engine coolant temperature sensor (top right side of engine)
Eoil
F16
Ge01
Ig (center of dash)
Interior lights system
J/c j23 (in ecu box)
J/c j4 (in ecu box)
Me01
Nca
Nt+
Nt-
Oil
Pnk
Red
Sftd
Sftu
Sl1+
Sl1-
Sl2+
Sl2-
Slt+
Slt-
Slu+
Slu-
Sp2+
Sp2-
Throttle body assembly (top center of engine)
Thw
Transmission control switch
Turbine speed sensor (on transmission)
Vehicle speed sensor (electronically controlled transmission) (on transmission)
Vta
Vta1
Vta2

TRUNK, TAILGATE, FUEL DOOR

Fuel Door Release Wiring Diagram for Lexus SC 430 2010

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List of elements for Fuel Door Release Wiring Diagram for Lexus SC 430 2010:

(right side of dash) j/c j13
Bl (under driver's seat)
Computer data lines system
Driver side j/b (left kick panel)
Driver side j/b ecu
E20
Fuel
Fuel lid opener motor (left side of luggage compt)
Fuel lid opener switch
Fuel opn (o)
Fuel opn (p)
Fuel opn fuse 10a
Gnd
Hot at all times
Ii (left side dash brace)
J/c j17 (left rear of luggage compt)
L24
Luggage room j/b (left rear of luggage compt)
Luggage room j/b ecu
Mpx+
Mpx-
Mpx-b
Mpx-b3 fuse 7.5a
Mpx1
Mpx2
P-gnd
Passenger side j/b (right kick panel)
Red

Trunk Release & Pull Down Wiring Diagram for Lexus SC 430 2010

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List of elements for Trunk Release & Pull Down Wiring Diagram for Lexus SC 430 2010:

(right side of dash) j/c j13
B20
Bl (under driver's seat)
Center j/b (right center of dash)
Cncl
Computer data lines system
D20
Driver side j/b (left kick panel)
Driver side j/b ecu
E12
F17
Fuel opn fuse 10a
Gnd
Hot at all times
Ig (center of dash)
Ih (under steering column)
Ii (left side dash brace)
J/c j17 (left rear of luggage compt)
L-o/c (p)
L22
L24
Lcm+
Lct
Lcte
Lcty
Luggage compartment door lock motor & detection switch (luggage compt lock assembly)
Luggage compartment door opener main switch
Luggage compartment door opener switch
Luggage room j/b (left rear of luggage compt)
Luggage room j/b ecu
Mpx+
Mpx-
Mpx-b
Mpx-b3 fuse 7.5a
Mpx1
Mpx2
P-gnd
Passenger side j/b (right kick panel)
Red
S17
S18
Sliding roof control ecu (left rear of luggage compt)
Tsw