All Wiring Diagrams for Toyota Tacoma S-Runner 2003 model

AIR CONDITIONING

Heater Wiring Diagram for Toyota Tacoma S-Runner 2003

List of elements for Heater Wiring Diagram for Toyota Tacoma S-Runner 2003:

(at right side of dash) ie
(in dash harness, at right kick panel)
A j10
Blower motor (below right side of dash, in blower housing)
Blower resistor (below right side of dash, in blower housing)
C j9
Ea (at left front fender)
Gauge fuse 10a
Heater blower switch
Heater fuse 50a
Heater relay
Hot at all times
Hot in on or start
I16
I19
J/b 1 (behind dash, left of steering column)
J10 d
J9 e
Junction connector 9 & 10 (on left side of engine compartment, at r/b 2)
Junction connector 9 & 10 (on left side of engine compt, at r/b 2)
Off
R/b 2 (on left side of engine compartment)
Red

Manual A/C Wiring Diagram for Toyota Tacoma S-Runner 2003

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List of elements for Manual A/C Wiring Diagram for Toyota Tacoma S-Runner 2003:

(behind dash, above steering column) j/b 3 (left)
(in dash harness, at right kick panel) i19
(in dash harness, at top left side of dash) i7
(in engine compt harness, at left side of engine compt) e3
2.4l, 2.7l
3.4l
A j10
A/c control assembly
A/c dual pressure switch (behind right side of dash)
A/c fuse 10a
A/c magnetic clutch
A/c thermistor (behind right side of dash)
Ac1
Act
Air inlet control servo motor
Air mix control servo motor
Air vent mode control servo motor
B/l
Blower motor (below right side of dash, in blower housing)
Blower resistor (below right side of dash, in blower housing)
C j9
D14
D19
Def
Ea (at left front fender)
Ecu-b fuse 7.5a
Engine control module (behind right side of dash)
F/d
F15
F16
F17
Face
Foot
Frsh
Gauge fuse 10a
Gnd
Heater blower switch
Heater fuse 50a
Heater relay
Hot at all times
Hot in on or start
I10 (in dash harness, at center of dash)
I16
I9 (in dash harness, at center of dash)
Ie (at right side of dash)
Ig (at left side of dash)
Ig+
Interior lights system
J/b 1 (behind dash, left of steering column)
J/b 3 (center) (behind center of dash)
J/b 3 (left) (behind dash, above steering column)
J10
Junction connector 9 & 10 (on left side of engine compartment, at r/b 2)
Off
R/b 2 (on left side of engine compartment)
Recirc
Red

ANTI-LOCK BRAKES

Anti-lock Brakes Wiring Diagram for Toyota Tacoma S-Runner 2003

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List of elements for Anti-lock Brakes Wiring Diagram for Toyota Tacoma S-Runner 2003:

+bm
+bs
A/t
Abs 2 fuse 30a
Abs actuator w/ ecu (on right rear of engine compt)
Abs deceleration sensor (4wd and pre-runner) (behind dash, left of steering column)
Abs fuse 60a
Abs inverter
Abs warning light ind
C13
Combination meter
D/g
D16
D19
Data link connector (dlc) 3 (below left center of dash)
Detection switch (on transmission)
Diode (abs) (behind upper left side of dash)
Ec (at right front fender)
Ecu-ig fuse 15a
Exi
Exi2
Exi4
F12
Fl+
Fl-
Fr+
Fr-
Fuse box (on left side of engine compt)
Gauge fuse 10a
Ggnd
Gl1
Gnd
Hot at all times
Hot in on or start
Ie (at right side of of dash)
Ig (at left side of of dash)
Ig1
J/b 1 (behind dash, left of steering column)
J/b 3 (center) (behind center of dash)
J/b 3 (left) (behind dash, above steering column)
Junction connector 11 (above glove box)
Junction connector 13 (above glove box)
Left front abs speed sensor (on inside of left front wheel)
Left rear abs speed sensor (on inside of left rear wheel)
M/t
Pnk
R/b 2 (on left side of engine compt)
Rear differential lock ecu (on upper left kick kick panel)
Red
Right front abs speed sensor (on inside of right front wheel)
Right rear abs speed sensor (on inside of right rear wheel)
Rl+
Rl-
Rr+
Rr-
Sil
Stop fuse 10a
Stoplight switch (on bracket, above brake pedal)
Stp
Transmissions system
Vgs
W/ rear differential lock
W/o rear differential lock

BODY CONTROL MODULES

Body Control Modules Wiring Diagram for Toyota Tacoma S-Runner 2003

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List of elements for Body Control Modules Wiring Diagram for Toyota Tacoma S-Runner 2003:

(in dash harness, at left kick panel) (except 3.4l) i2
(not used)
Acc fuse 15a
Body ecu
Dome fuse 15a
Door locks system
Ecu-ig fuse 15a
Exterior lights system
Flasher relay
G11
H10
Headlights system
Horn haz fuse 15a
Horns system
Hot at all times
Hot in acc or on
Hot in on or start
I1 (3.4l) (in dash harness, at left kick panel)
Ig (at left side of dash)
Interior lights system
J/b 1 (behind dash, left of steering column)
L10
L11
L13
L14
L15
L19
L20
L21
L22
Left front door courtesy switch
Left rear door courtesy switch
Power fuse 30a
Power windows system
Pwr relay
R/b 2 (on left side of engine compartment)
Red
Right front door courtesy switch
Right rear door courtesy switch
Seats system
W/ double cab
Warning system
Wiper fuse 20a

COMPUTER DATA LINES

Computer Data Lines Wiring Diagram for Toyota Tacoma S-Runner 2003

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List of elements for Computer Data Lines Wiring Diagram for Toyota Tacoma S-Runner 2003:

(2.4l/2.7l)
(above glove box) j/c 11
(at ignition coil bracket)
(in dash harness, at center of dash)
(under data link connector 1)
2.7l/2.4l
3.4l
3.4l 2wd m/t, 2.7l, 2.4l
A/b
A15
A16
Abs actuator with ecu (on right rear of engine compt)
Bat
C10
C12
C13
C21
Center air bag sensor assembly (below center of dash)
Combination meter
Control circuit
Cruise control ecu (on right kick panel)
Cruise ind
D/g
D16
D19
D20
Data link connector (dlc) 3 (below left center of dash)
Eb (3.4l)
Engine control module (behind right side of dash)
F16
F20
Gauge fuse 10a
H14
H15
H16
Hot at all times
Hot in on or start
I14 (3.4l 2wd m/t, 2.7l, 2.4l)
Ie (at right side of dash)
Igniter
J/b 1 (behind dash, left of steering column)
J/b 3 (center) (behind center of dash)
J/b 3 (left) (behind dash, above steering column)
Obd fuse 7.5a
R/b 2 (on left side of engine compartment)
Sil
Srs ind
Tac
W/ tachometer
Wfse

CRUISE CONTROL

2.4L

2.4L, Cruise Control Wiring Diagram, M/T with 2-Wheel Drive for Toyota Tacoma S-Runner 2003

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List of elements for 2.4L, Cruise Control Wiring Diagram, M/T with 2-Wheel Drive for Toyota Tacoma S-Runner 2003:

(2.4l a/t)
(a/t)
(m/t)
2.4l
2.7l only
3.4l
A/t
A/t except 2.4l
A/t indicator switch (park/neutral position switch)
A10
A11
A16
A19
C10
C13
Cancel
Ccs
Combination meter
Combination switch
Cruise
Cruise control actuator
Cruise control clutch switch (on bracket, above clutch pedal)
Cruise control ecu (on right kick panel)
Cruise control ind
Cruise control switch
D13
D16
D17
D18
D19
Data link connector (dlc) 3 (below left center of dash)
E5 odi
Ect
Ecu-ig fuse 15a
Engine control module (behind right side of dash)
Ex 3.4l
Except 2.4l
Gauge fuse 10a
Gnd
H11
H12
H13
Hot at all times
Hot in on or start
I14
Idl
Idlo
Ie (at right side of dash)
Ig (at left side of dash)
J/b 1 (behind dash, left of steering column)
J/b 3 (center) (behind center of dash)
J/b 3 (left) (behind dash, above steering column)
Junction connector 11 (above glove box)
O/d ecu (below center of dash)
Od1
Res/ acc
Set/ coast
Spd
Speedo- meter
Stop fuse 10a
Stoplight switch (on bracket, above brake pedal)
Stp-
Vehicle speed sensor (on transmission)
W/ tacho meter

2.7L

2.7L, Cruise Control Wiring Diagram, M/T with 2-Wheel Drive for Toyota Tacoma S-Runner 2003

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List of elements for 2.7L, Cruise Control Wiring Diagram, M/T with 2-Wheel Drive for Toyota Tacoma S-Runner 2003:

(2.4l a/t)
(a/t)
(m/t)
2.4l
2.7l only
3.4l
A/t
A/t except 2.4l
A/t indicator switch (park/neutral position switch)
A10
A11
A16
A19
C10
C13
Cancel
Ccs
Combination meter
Combination switch
Cruise
Cruise control actuator
Cruise control clutch switch (on bracket, above clutch pedal)
Cruise control ecu (on right kick panel)
Cruise control ind
Cruise control switch
D13
D16
D17
D18
D19
Data link connector (dlc) 3 (below left center of dash)
E5 odi
Ect
Ecu-ig fuse 15a
Engine control module (behind right side of dash)
Ex 3.4l
Except 2.4l
Gauge fuse 10a
Gnd
H11
H12
H13
Hot at all times
Hot in on or start
I14
Idl
Idlo
Ie (at right side of dash)
Ig (at left side of dash)
J/b 1 (behind dash, left of steering column)
J/b 3 (center) (behind center of dash)
J/b 3 (left) (behind dash, above steering column)
Junction connector 11 (above glove box)
O/d ecu (below center of dash)
Od1
Res/ acc
Set/ coast
Spd
Speedo- meter
Stop fuse 10a
Stoplight switch (on bracket, above brake pedal)
Stp-
Vehicle speed sensor (on transmission)
W/ tacho meter

3.4L

3.4L, Cruise Control Wiring Diagram, M/T with 2-Wheel Drive for Toyota Tacoma S-Runner 2003

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List of elements for 3.4L, Cruise Control Wiring Diagram, M/T with 2-Wheel Drive for Toyota Tacoma S-Runner 2003:

(2.4l a/t)
(a/t)
(m/t)
2.4l
2.7l only
3.4l
A/t
A/t except 2.4l
A/t indicator switch (park/neutral position switch)
A10
A11
A16
A19
C10
C13
Cancel
Ccs
Combination meter
Combination switch
Cruise
Cruise control actuator
Cruise control clutch switch (on bracket, above clutch pedal)
Cruise control ecu (on right kick panel)
Cruise control ind
Cruise control switch
D13
D16
D17
D18
D19
Data link connector (dlc) 3 (below left center of dash)
E5 odi
Ect
Ecu-ig fuse 15a
Engine control module (behind right side of dash)
Ex 3.4l
Except 2.4l
Gauge fuse 10a
Gnd
H11
H12
H13
Hot at all times
Hot in on or start
I14
Idl
Idlo
Ie (at right side of dash)
Ig (at left side of dash)
J/b 1 (behind dash, left of steering column)
J/b 3 (center) (behind center of dash)
J/b 3 (left) (behind dash, above steering column)
Junction connector 11 (above glove box)
O/d ecu (below center of dash)
Od1
Res/ acc
Set/ coast
Spd
Speedo- meter
Stop fuse 10a
Stoplight switch (on bracket, above brake pedal)
Stp-
Vehicle speed sensor (on transmission)
W/ tacho meter

3.4L, Cruise Control Wiring Diagram, Except M/T with 2-Wheel Drive for Toyota Tacoma S-Runner 2003

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List of elements for 3.4L, Cruise Control Wiring Diagram, Except M/T with 2-Wheel Drive for Toyota Tacoma S-Runner 2003:

(at right rear
(in dash harness, at right side of dash)
(on bracket, above
(on transmission)
+bm
Above steering
Accel position sensor (behind dash, left of steering column)
B17
B19
Batt
Body)
Brake pedal)
C10
C13
Cancel
Ccs
Cl+
Cl-
Column)
Combination meter
Combination switch
Cruise
Cruise control switch
Cruise ind
D16
D17
D18
D19
E01
E02
E03
E04
E10
Ea (at left front fender)
Eb (near throttle
Ects fuse 15a
Efi fuse 20a
Efi relay
Engine control module (behind right side of dash)
F11
Gauge fuse 10a
Geo1
Hot at all times
Hot in on or start
I13
Id (at left
Ign fuse 7.5a
Igsw
J/b 1 (behind dash, left of steering column)
J/b 3 (left) (behind dash,
J10
Junction connector 9 & junction connector 10 j9 (on left side of engine compt, at r/b 2)
Kick panel)
Me01
Mrel
Of engine)
Park/neutral position switch
Pnk
R/b 2 (on left side of engine compartment)
Red
Res/ acc
Sensor
Set/ coast
Sp1
Speedometer
St1-
Stop fuse 10a
Stoplight switch
Stp
Throttle control motor
Throttle position sensor (on throttle body assembly)
Vehicle speed
Vpa
Vpa2
Vta
Vta2

ENGINE PERFORMANCE

2.4L

2.4L, Engine Performance Wiring Diagram (1 of 4) for Toyota Tacoma S-Runner 2003

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List of elements for 2.4L, Engine Performance Wiring Diagram (1 of 4) for Toyota Tacoma S-Runner 2003:

(behind dash, above steering column) j/b 3 (left)
(left side of engine compt) j/c j9, j10
(on bracket, above brake pedal) stoplight switch
(w/a/t)
(w/tachometer)
A/c system
Ac1
Act
Batt
C10
C12
C16
C20
Combination meter
Control circuit
Cruise control system
Ea (left front fender)
Efi fuse 20a
Efi relay
Els
Engine control module (behind right side of dash)
G14
G17
G22
Hot at all times
Hot in on or start
I12 (dash harn, at right side of dash)
I9 (dash harn, at center of dash)
Idlo
Ie (at right side of dash)
Ign fuse 7.5a
J/b 1 (behind dash, left of steering column)
J/b 3 (center) (behind center of dash)
J/b 3 (left) (behind dash, above steering column)
J/b 3 (left) (w/ cruise control) (behind dash, above steering column)
J/c 13 (above glove box)
J10
Malfunction indicator
Nsw
O/d main switch
O/d off indicator
Panel fuse 10a
Power steering oil pressure switch (on power steering pump)
Psw
Ptnk
R/b 2 (left side of engine compt)
Sil
Sp1
Speedometer
Sta
Starting/charging system
Stop fuse 15a
Stp
Tac
Tachometer

2.4L, Engine Performance Wiring Diagram (2 of 4) for Toyota Tacoma S-Runner 2003

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List of elements for 2.4L, Engine Performance Wiring Diagram (2 of 4) for Toyota Tacoma S-Runner 2003:

(behind dash, above steering column) j/b 3 (left)
(w/a/t)
(w/m/t & 4wd)
A15
A16
Batt
Circuit opening relay (behind lower left of dash)
Cruise control system
Data link connector 3 (below left center of dash)
Ecu-ig fuse 15a
Ef (at ignition coil bracket)
Fuel pump (in fuel tank)
Gauge fuse 10a
Hot at all times
Hot in on or start
Hot in start
Ie (at right side of dash)
Ig (at left side of dash)
J/b 1 (behind dash, left of steering column)
J/c (above glove box)
O/d ecu (below center of dash)
O/d solenoid (on transmission)
Obd fuse 10a
Od1
Odlp
Odms
Park/neutral position switch (on transmission)
R/b 2 (left side of engine compt)
Sil
Sol
Sta fuse 7.5a
Starting/ charging system
Tac

2.4L, Engine Performance Wiring Diagram (3 of 4) for Toyota Tacoma S-Runner 2003

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List of elements for 2.4L, Engine Performance Wiring Diagram (3 of 4) for Toyota Tacoma S-Runner 2003:

(behind dash, above steering column) j/b 3 (left)
(dash harn, at right side of dash)
(on exhaust system, rear of engine) heated oxygen sensor (bank 1, sensor 2)
(on left side of engine) camshaft position sensor
(on left side of engine) crankshaft position sensor
Acc
Eb (under data link connector 1)
Ef (at ignition coil bracket)
Hot at all times
I13
I14
Ignition coil & igniter 1 (top of cyl head cover)
Ignition coil & igniter 2 (top of cyl head cover)
Ignition coil & igniter 3 (top of cyl head cover)
Ignition coil & igniter 4 (top of cyl head cover)
Ignition switch
Injector 1
Injector 2
Injector 3
Injector 4
Lock
Noise filter (right side of engine compartment)
Red
Start

2.4L, Engine Performance Wiring Diagram (4 of 4) for Toyota Tacoma S-Runner 2003

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List of elements for 2.4L, Engine Performance Wiring Diagram (4 of 4) for Toyota Tacoma S-Runner 2003:

(left side of engine compartment) vsv (evap)
(left side of engine compt, on fenderwell) vsv (vapor pressure sensor)
(on exhaust system, rear of engine) air fuel ratio sensor (bank 1, sensor 1)
(on rear of engine) engine coolant temperature sensor
(on throttle body assembly) throttle position sensor
(part of air intake assembly) mass airflow meter
Af1+
Af1-
At right side of dash)
Ccv
Data link connector 1 (left side of engine compt)
E01
E02
E03
E04
E2g
Ef (at ignition coil bracket)
Engine control module (behind right side of dash)
Evp1
Hafl
Hts
I13
I13 (dash harn, at right side of dash)
Idle air control valve (on throttle body assembly)
Igf
Igt1
Igt2
Igt3
Igt4
Knk1
Knock sensor (on left side of engine)
Ne+
Ne-
Oxs
Pnk
Red
Rsd
Tha
Thw
Tpc
Vapor pressure sensor
Vsv (canister closed valve) (left side of eng compt)
Vta

2.7L

2.7L, Engine Performance Wiring Diagram (1 of 4) for Toyota Tacoma S-Runner 2003

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List of elements for 2.7L, Engine Performance Wiring Diagram (1 of 4) for Toyota Tacoma S-Runner 2003:

(4wd)
(behind dash, above steering column) j/b 3 (left)
(left kick panel)
(left side of engine compt) j/c j9, j10
(on bracket, above brake pedal) stoplight switch
(w/4wd)
(w/a/t & 4wd)
(w/a/t)
(w/tachometer)
4wd
A/c system
A/t oil temperature
Ac1
Act
Batt
C10
C12
C13
C16
C20
Control circuit
Cruise control system
Ea (left front fender)
Efi fuse 20a
Efi relay
Els
Engine control module (behind right side of dash)
G17
G22
Hot at all times
Hot in on or start
I12 (dash harn, at right side of dash)
I9 (dash harn, at center of dash)
Idlo
Ie (at right side of dash)
Ign fuse 7.5a
Instrument cluster
J/b 1 (behind dash, left of steering column)
J/b 3 (center) (behind center of dash)
J/b 3 (left) (behind dash, above steering column)
J/b 3 (left) (w/ cruise control) (behind dash, above steering column)
J/c 10
J/c 13 (above glove box)
J/c 9
Malfunction indicator
Nsw
O/d main switch
O/d off indicator
Od1
Odlp
Odms
Oilw
Panel fuse 10a
Pnk
Power steering oil pressure switch (on power steering pump)
Psw
Ptnk
Pwr
R/b 2 (left side of engine compt)
Red
Sil
Sp1
Sp2+
Sp2-
Speedometer
Sta
Starting/charging system
Stop fuse 15a
Stp
Tac
Tachometer
Tfn
Transmissions system
Vehicle speed sensor (on transmission)

2.7L, Engine Performance Wiring Diagram (2 of 4) for Toyota Tacoma S-Runner 2003

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List of elements for 2.7L, Engine Performance Wiring Diagram (2 of 4) for Toyota Tacoma S-Runner 2003:

(4wd)
(behind dash, above steering column)
(behind dash, above steering column) j/b 3 (left)
(w/a/t)
(w/m/t & 4wd)
A/t p
A15
A16
Batt
C10
C12
C13
Circuit opening relay (behind lower left end of dash)
Combination meter
Cruise control system
Data link connector 3 (below left center of dash)
Diode (behind left side of dash)
Ect pwr
Ef (at ignition coil bracket)
Electronically controlled transmission pattern select switch
F16
F20
Fuel pump (in fuel tank)
Gauge fuse 10a
H12
H13
Hot at all times
Hot in on or start
Hot in start
I9 (dash harn, at center of dash)
Ie (at right side of dash)
Ig (at left side of dash)
J/b 1 (behind dash, left of steering column)
J/b 3 (center) (behind center of dash)
J/b 3 (left)
J/b 3 (left) (behind dash, above steering column)
J/c (above glove box)
J/c 11 (above glove box)
Obd fuse 10a
Park/neutral position switch (on transmission)
Pnk
R/b 2 (left side of engine compt)
Red
Sil
Sta fuse 7.5a
Starting/ charging system
Tac

2.7L, Engine Performance Wiring Diagram (3 of 4) for Toyota Tacoma S-Runner 2003

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List of elements for 2.7L, Engine Performance Wiring Diagram (3 of 4) for Toyota Tacoma S-Runner 2003:

(behind dash, above steering column) j/b 3 (left)
(dash harn, upper right side of dash)
(on exhaust system, rear of engine) heated oxygen sensor (bank 1, sensor 2)
(on left rear of engine) egr gas temperature sensor
(on left side of engine) camshaft position sensor
(on left side of engine) crankshaft position sensor
Acc
Eb (under data link connector 1)
Ef (at ignition coil bracket)
Hot at all times
I13
I14
Ignition coil & igniter 1 (top of cyl head cover)
Ignition coil & igniter 2 (top of cyl head cover)
Ignition coil & igniter 3 (top of cyl head cover)
Ignition coil & igniter 4 (top of cyl head cover)
Ignition switch
Injector 1
Injector 2
Injector 3
Injector 4
Lock
Noise filter (right side of engine compartment)
Red
Start

2.7L, Engine Performance Wiring Diagram (4 of 4) for Toyota Tacoma S-Runner 2003

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List of elements for 2.7L, Engine Performance Wiring Diagram (4 of 4) for Toyota Tacoma S-Runner 2003:

(left side of engine compartment) vsv (evap)
(on exhaust system, rear of engine) air fuel ratio sensor (bank 1, sensor 1)
(on rear of engine) engine coolant temperature sensor
(on throttle body assembly) throttle position sensor
(on top left rear of engine) vsv (egr)
(on transmission) a/t oil temperature sensor
(part of air intake assembly) mass airflow meter
Af1+
Af1-
At right side of dash)
Cruise control system
E01
E02
E03
E04
E2g
Ef (at ignition coil bracket)
Egr
Electronically controlled transmission solenoid (on transmission)
Engine control module (behind right side of dash)
Evp1
Hafl
Hts
I13
I13 (dash harn, behind right center of dash)
Idle air control valve (on throttle body assembly)
Igf
Igt1
Igt2
Igt3
Igt4
Knk1
Knock sensor (on left side of engine)
Ne+
Ne-
Oxs
Pnk
Red
Rsd
Tbp
Tha
Thg
Tho
Thw
Vapor pressure sensor
Vsv (vapor switching valve)
Vta

3.4L

3.4L, Engine Performance Wiring Diagram, Except M/T with 2-Wheel Drive (1 of 4) for Toyota Tacoma S-Runner 2003

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List of elements for 3.4L, Engine Performance Wiring Diagram, Except M/T with 2-Wheel Drive (1 of 4) for Toyota Tacoma S-Runner 2003:

(behind dash, above steering column) j/b 3 (left)
(dash harn, at right side of dash)
(dash harn, left end of dash)
(left side of engine compt) j/c j9, j10
(left side of engine compt, on fenderwell) vsv (pressure switching valve)
(on bracket, above brake pedal) stoplight switch
(w/4wd)
(w/a/t & 4wd)
(w/a/t)
+bm
4wd
A/c system
A/t oil temperature
Ac1
Act
Batt
C10
C12
C13
Combination meter
Control circuit
Cruise control system
Ea (right front fender)
Ects fuse 15a
Efi fuse 20a
Efi relay
Engine control module (behind right side of dash)
G17
G22
Heated oxygen sensor (bank 1, sensor 2) (on exhaust system, rear of engine)
Hot at all times
Hot in on or start
I12 (dash harn, at right side of dash)
I13
I15
Ie (at right side of dash)
Ign fuse 7.5a
Igsw
J/b 1 (behind dash, left of steering column)
J/b 3 (center) (behind center of dash)
J/b 3 (left) (behind dash, above steering column)
J/c j13 (above glove box)
J10
Malfunction indicator
Mrel
Nsw
O/d main switch
O/d off indicator
Odlp
Odms
Oilw
Pnk
Pwr
R/b 2 (left side of engine compt)
Red
Sil
Sp1
Speedometer
Sta
Starting/ charging system
Stop fuse 10a
Stp
Tachometer
Tfn
Transmissions system
Wfse

3.4L, Engine Performance Wiring Diagram, Except M/T with 2-Wheel Drive (2 of 4) for Toyota Tacoma S-Runner 2003

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List of elements for 3.4L, Engine Performance Wiring Diagram, Except M/T with 2-Wheel Drive (2 of 4) for Toyota Tacoma S-Runner 2003:

(behind dash, above steering column) j/b 3 (left)
(w/a/t)
(w/m/t & 4wd)
A/t p
A15
A16
Batt
C10
C12
C13
Circuit opening relay (behind lower left end of dash)
Cl+
Cl-
Data link connector 3 (below left center of dash)
Diode (behind top left side of dash)
E10
Eb (near throttle body)
Ect pwr
Electronically controlled transmission pattern select switch
Engine control module (behind right side of dash)
F16
F20
Fuel pump (in fuel tank)
Gauge fuse 10a
Hot at all times
Hot in on or start
Hot in start
I6 (dash harn, behind left side of dash)
Ie (at right side of dash)
Ig (at left side of dash)
Ig (left kick panel)
Instrument cluster
J/b 1 (behind dash, left of steering column)
J/b 3 (left) (behind dash, above steering column)
J/b 3 (left) (behind dash, above str col)
J/c j11 (above glove box)
J/c j13 (above glove box)
Obd fuse 10a
Park/neutral position switch (on transmission)
Pnk
R/b 2 (left side of engine compt)
Red
Sil
Slt+
Slt-
Sta fuse 7.5a
Starting/ charging system
Vpa
Vpa2
Wfse

3.4L, Engine Performance Wiring Diagram, Except M/T with 2-Wheel Drive (3 of 4) for Toyota Tacoma S-Runner 2003

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List of elements for 3.4L, Engine Performance Wiring Diagram, Except M/T with 2-Wheel Drive (3 of 4) for Toyota Tacoma S-Runner 2003:

(at right rear of engine) throttle control motor
(behind dash, above steering column) j/b 3 (left)
(behind dash, left of steering column) accel position sensor
(dash harn, at right side of dash) i13
(dash harn, upper right side of dash)
(left side of eng compt) vsv (canister closed valve)
(lower front of engine) crankshaft position sensor
(top right front of engine) camshaft position sensor
(w/ tachometer)
Acc
Eb (near throttle body)
Hot at all times
I13
I14
Igniter (on right side of engine compartment)
Ignition coil 1 (top of cyl head cover)
Ignition coil 2 (top of cyl head cover)
Ignition coil 3 (top of cyl head cover)
Ignition switch
Injector 1
Injector 2
Injector 3
Injector 4
Injector 5
Injector 6
Lock
Red
Start

3.4L, Engine Performance Wiring Diagram, Except M/T with 2-Wheel Drive (4 of 4) for Toyota Tacoma S-Runner 2003

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List of elements for 3.4L, Engine Performance Wiring Diagram, Except M/T with 2-Wheel Drive (4 of 4) for Toyota Tacoma S-Runner 2003:

(engine harn, at front of eng)
(left front of engine) engine coolant temperature sensor
(left side of engine compartment) vsv (evap)
(left side of firewall) vapor pressure sensor
(on exhaust system, rear of engine) air fuel ratio sensor (bank 1, sensor 1)
(on power steering pump) power steering oil pressure switch
(on throttle body assembly) throttle position sensor
(on transmission) a/t oil temperature sensor
(part of air intake assembly) mass airflow meter
Af1+
Af1-
Ccv
Computer data lines system
E01
E02
E03
E05
E2g
Eb (near throttle body)
Electronically controlled transmission solenoid (on transmission)
Engine control module (behind right side of dash)
Evp1
Ge01
Ht2b
Htaf1
I13
I13 (dash harn, (at right side of dash)
Idle air control valve (on throttle body assembly)
Igf
Igt1
Igt2
Igt3
Knk1
Knk2
Knock sensor 1 (top front of engine)
Knock sensor 2 (top front of engine)
Me01
Ne+
Ne-
Ox2b
Pnk
Psw
Ptnk
Red
Rsc
Rso
Slt
Sp2+
Sp2-
Tbp
Tha
Thoc
Thw
Vehicle speed sensor (on transmission)
Vta

3.4L, Engine Performance Wiring Diagram, M/T with 2-Wheel Drive (1 of 3) for Toyota Tacoma S-Runner 2003

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List of elements for 3.4L, Engine Performance Wiring Diagram, M/T with 2-Wheel Drive (1 of 3) for Toyota Tacoma S-Runner 2003:

(dash harn, at right side of dash)
(in dash harn, at left end of dash)
(left side of engine compt) j/c 9,10
(left side of engine compt, on fenderwell) vsv (pressure switching valve)
(on bracket, above brake pedal) stoplight switch
A/c system
Ac1
Act
Batt
C10
Circuit opening relay (below lower left end of dash)
Combination meter
Control circuit
Cruise control system
D19
D20
Ea (right front fender)
Efi fuse 20a
Efi relay
Engine control module (behind right side of dash)
Fuel pump (in fuel tank)
Gauge fuse 10a
Heated oxygen sensor (bank 1, sensor 2) (on exhaust system, rear of engine)
Hot at all times
Hot in on or start
I13
I15
Idlo
Ig (at left side of dash)
Ign fuse 7.5a
Igsw
J/b 1 (behind dash, left of steering column)
J/b 3 (left) (behind dash, above steering column)
J10
Malfunction indicator
Mrel
R/b 2 (left side of engine compt)
Red
Sil
Sp1
Speedometer
Sta
Starting/charging system
Stop fuse 10a
Stp
Tachometer
Wfse

3.4L, Engine Performance Wiring Diagram, M/T with 2-Wheel Drive (2 of 3) for Toyota Tacoma S-Runner 2003

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List of elements for 3.4L, Engine Performance Wiring Diagram, M/T with 2-Wheel Drive (2 of 3) for Toyota Tacoma S-Runner 2003:

(behind dash, above steering column) j/b 3 (left)
(dash harn, at right side of dash)
(dash harn, at right side of dash) i13
(left side of eng compt) vsv (canister closed valve)
(lower front of engine) crankshaft position sensor
(top right front of engine) camshaft position sensor
(w/ tachometer)
A15
Acc
Batt
Cruise control system
Data link connector 3 (below left center of dash)
Eb (left shock tower)
Eb (near throttle body)
Gnd
Hot at all times
I13
I14
Ie (at right side of dash)
Igc1
Igc2
Igc3
Igf
Igniter (on right side of engine compartment)
Ignition coil 1 (top of cyl head cover)
Ignition coil 2 (top of cyl head cover)
Ignition coil 3 (top of cyl head cover)
Ignition switch
Igt1
Igt2
Igt3
Injector 1
Injector 2
Injector 3
Injector 4
Injector 5
Injector 6
J/b 3 (left) (behind dash, above steering column)
J/c (above glove box)
Lock
Obd fuse 10a
R/b 2 (left side of engine compt)
Red
Sil
Start
Tach
Wfse

3.4L, Engine Performance Wiring Diagram, M/T with 2-Wheel Drive (3 of 3) for Toyota Tacoma S-Runner 2003

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List of elements for 3.4L, Engine Performance Wiring Diagram, M/T with 2-Wheel Drive (3 of 3) for Toyota Tacoma S-Runner 2003:

(eng harn, at left side of engine)
(engine harn, at front of engine)
(left front of engine) engine coolant temperature sensor
(left side of engine compartment) vsv (evap)
(left side of firewall) vapor pressure sensor
(on exhaust system, rear of engine) air fuel ratio sensor (bank 1 sensor 1)
(on power steering pump) power steering oil pressure switch
(on throttle body assembly) throttle position sensor
(part of air intake assembly) mass airflow meter
Af1+
Af1-
Ccv
Computer data lines system
E01
E02
E05
E2g
Eb (near throttle body
Engine control module (behind right side of dash)
Evp1
Ht2b
Htaf1
I13
I13 (dash harn, at right side of dash)
Idle air control valve (on throttle body assembly)
Igf
Igt1
Igt2
Igt3
Knk1
Knk2
Knock sensor 1 (top front of engine)
Knock sensor 2 (top front of engine)
Ne+
Ne-
Ox2b
Pnk
Psw
Ptnk
Red
Rsc
Rso
Tbp
Tha
Thw
Vta

EXTERIOR LIGHTS

Back-up Lamps Wiring Diagram for Toyota Tacoma S-Runner 2003

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List of elements for Back-up Lamps Wiring Diagram for Toyota Tacoma S-Runner 2003:

(2.4l)
(except 2.4l)
A/t
Back- up light
Back-up light switch (2.4l : on left side of transmission) (3.4l : on right side of transmission)
Back-up light switch (park/neutral position switch)
D18
D19
Gauge fuse 10a
Hot in on or start
Ig (at left side of dash)
J/b 1 (behind dash, left of steering column)
J/b 3 (left) (behind dash, above steering column)
Left rear combination light
M/t
Right rear combination light

Exterior Lamps Wiring Diagram for Toyota Tacoma S-Runner 2003

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List of elements for Exterior Lamps Wiring Diagram for Toyota Tacoma S-Runner 2003:

(at left side of dash)
(behind dash, above steering column) j/b 3 (left)
(in engine compt harness, at left side of engine compt)
(on left side of engine compt, at r/b 2) junction connector 9 & 10
(w/ drl)
(w/o drl)
A16
A17
Alt fuse 120a
Body ecu
C12
C14
Combination meter
Combination switch
E11
E12
Ea (at left front fender)
F16
F20
Flasher relay
H12
Hazard switch
Head
High mounted stop light
Horn haz fuse 15a
Hot at all times
Hot in on or start
Ie (at right side of dash)
Ig (at left side of dash)
J/b 1 (behind dash, left of steering column)
J/b 3 (left) (behind dash, above steering column)
J10
L15
Left front parking light
Left front turn signal light
Left license plate light
Left rear combination light
Left turn ind
Light control switch
Off
R/b 2 (on left side of engine compartment)
Red
Right front parking light
Right front turn signal light
Right license plate light
Right rear combination light
Right turn ind
Stop
Stop fuse 10a
Stoplight switch (on bracket, above brake pedal)
Tail
Tail fuse 10a
Tail relay
Turn
Turn fuse 10a
Turn signal switch
W/ drl
W/o drl

GROUND DISTRIBUTION

Ground Distribution Wiring Diagram (1 of 2) for Toyota Tacoma S-Runner 2003

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List of elements for Ground Distribution Wiring Diagram (1 of 2) for Toyota Tacoma S-Runner 2003:

(2.4l) o/d ecu
(right end of dash)
(right side of dash)
2-4 select motor
2-4 select switch
4wd ecu
A/c control assembly
A12
A13
A15
A16
A17
A18
A20
Air vent mode control servo motor
Automatic disconnecting differential (add) actuator
B2 (in left front door)
B3 (in right front door)
Blower resistor
C12
Cigarette lighter
Clock
Clutch start cancel switch
Combi- nation switch
Combination meter
Cruse control actuator
Cruse control ecu
Cruse control switch
Data link connector
Daytime running light relay 4
Detection switch (4wd position)
Detection switch (l4 position)
Detection switch (neutral position)
E11
E12
E13
F12
F13
F15
F16
F17
F18
F19
F20
F21
G14
G15
G16
G17
G18
G19
G20
G21
G22
Glove box light
Heater blower switch
I12
I12 (right side of dash)
I13
I13 (right side of dash)
I14 (right side of dash)
I16 (right end of dash)
I17 (right end of dash)
I9 (center of dash)
J/b 3 (center) (behind center of dash)
J/b 3 (left) (behind dash, above steering column)
Key interlock solenoid
Left buckle switch
Left door lock motor, door unlock detection switch, door key lock/ unlock switch
O/d main switch
Parking brake switch
Passenger air bag cut-off switch
Power outlet
Power window master switch
Rear differential lock ecu
Remote control mirror switch
Rheostat
Right door lock control switch
Right door lock motor, door unlock detection switch, door key lock/ unlock switch
Shift lock control relay
To ground g202 (diagram 2 of 2)
Transmission control relay
Unlock warning switch
W/ 2-4 select switch
W/ dbl cab
W/ power window
W/o 2-4 select switch
W/o dbl cab
W/o power window
Washer level sensor
Wiper & washer switch
Wiper motor

Ground Distribution Wiring Diagram (2 of 2) for Toyota Tacoma S-Runner 2003

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List of elements for Ground Distribution Wiring Diagram (2 of 2) for Toyota Tacoma S-Runner 2003:

(2.4l, 2.7) idle air control valve
(2.4l, 2.7) noise filter
(3.4l) igniter
(behind dash, left
(left end of dash)
(left front fender)
(left kick panel)
(left side of
(right kick panel)
2.4l, 2.7l
3.4l
Abs actuator with ecu
B17
B18
B19
B6 (left rear frame rail)
Body ecu
Brake fluid level warning switch
C10
C13
C21
Center air bag sensor assembly
Combination meter
Data link connector
Daytime running light relay (main)
Eb (2.4l, 2.7l) (under data link connector 1)
Eb (3.4l) (near the throttle body)
Ec (right front fender)
Ef (2.4l, 2.7l) (ignition coil bracket)
Efi relay
Engine compt) r/b 2
Engine control module
Flasher relay
From j/b 3 (left) (diagram 1 of 2)
Fuel pump
Fuel sender
Heated oxygen sensor (bank 1 sensor 2)
Heater relay
High mounted stop light
I1 (left kick panel)
I13 (right side of dash)
I9 (center of dash)
Ignition coil & igniter
J/b 3 (center) (behind center of dash)
J/c 9, j/c 10 (left side of engine compt)
J10
Left front turn signal light
Left license plate light
Left parking light
Left rear combination light
Of steering column) j/b 1
Power seat switch
Pwr outlet relay
Pwr relay
Radio & player
Rear differential lock detection switch
Rear differential lock motor
Right front turn signal light
Right license plate light
Right parking light
Right rear combination light
Side of dash)
Starter relay

HEADLIGHTS

Headlights Wiring Diagram, with DRL for Toyota Tacoma S-Runner 2003

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List of elements for Headlights Wiring Diagram, with DRL for Toyota Tacoma S-Runner 2003:

A13
A16
A17
Body ecu
Brake fluid level warning switch (on brake fluid reservoir)
Brk
C12
Chg-
Combination meter
Combination switch
D j9
D11
D12
D19
Daytime running light relay (main) (behind dash, right of steering column)
Daytime running light relay 4 (behind right side of dash)
Dim
Dimmer relay
Dimmer switch
Diode (drl)
Drl
Drl fuse 7.5a
E j10
E3 (in engine compt harness, at left side of engine compt)
Ea (2.4l & 2.7l: at left front fender) (3.4l: at right front fender)
Ecu-b fuse 7.5a
F16
F20
Flash
Gauge fuse 10a
H-lp
Head
Head (hi lh) fuse 10a
Head (hi rh) fuse 10a
Head (lo lh) fuse 10a
Head (lo rh) fuse 10a
Head relay
High
High beam indicator
Hot at all times
Hot in on or start
Ie (at right side of dash)
Ig (at left side of dash)
Ind
J/b 1 (behind dash, left of steering column)
J/b 3 (left) (behind dash, above steering column)
J10
Junction connector 1 (behind upper left side of dash)
Junction connector 9 & 10 (on left side of engine compt, at r/b 2)
L13
L14
Left headlight
Light control switch
Low
Off
Parking brake switch (on base of park brake lever)
Pkb
R/b 2 (on left side of engine compt)
Red
Right headlight
Starting/ charging system
Tail

Headlights Wiring Diagram, without DRL for Toyota Tacoma S-Runner 2003

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List of elements for Headlights Wiring Diagram, without DRL for Toyota Tacoma S-Runner 2003:

(at left side of dash) ig
(at right side of dash) ie
A16
A17
Battery
Body ecu
C12
Combination meter
Combination switch
Dimmer switch
F16
F20
Flash
Head
Head relay
High
High beam indicator
J/b 1 (behind dash, left of steering column)
J/b 3 (left) (behind dash, above steering column)
J10
Junction connector 9 9 & 10 (on left side of engine compartment, at r/b 2)
L13
L14
Left head fuse 10a
Left headlight
Light control switch
Low
Off
R/b 2 (on left side of engine compartment)
Right head fuse 10a
Right headlight
Tail

HORN

Horn Wiring Diagram for Toyota Tacoma S-Runner 2003

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List of elements for Horn Wiring Diagram for Toyota Tacoma S-Runner 2003:

Body ecu
Combination switch
High horn
Horn haz fuse 15a
Horn switch
Hot at all times
J/b 1 (behind dash, left of steering column)
Low horn

INSTRUMENT CLUSTER

Clock Wiring Diagram for Toyota Tacoma S-Runner 2003

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List of elements for Clock Wiring Diagram for Toyota Tacoma S-Runner 2003:

Acc fuse 15a
C15
C16
Clock
Dome fuse 15a
F16
F19
G12
Hot at all times
Hot in acc or on
Hot w/ tail relay energized
Ig (at left side of dash)
J/b 1 (behind dash, left of steering column)
J/b 3 (left) (behind dash, above steering column)
R/b 2 (on left side of engine compt)
Tail fuse 10a

Instrument Cluster Wiring Diagram, with Tachometer for Toyota Tacoma S-Runner 2003

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List of elements for Instrument Cluster Wiring Diagram, with Tachometer for Toyota Tacoma S-Runner 2003:

(2.4l & 2.7l: at left front fender) (3.0l: at right front fender) ea
(2.4l & 2.7l: on right side of engine) (3.4l: on rear of engine) water temperature sender
(behind dash, above steering column) j/b 3 (left)
(on transmission) vehicle speed sensor
(or red)
(w/ drl)
(w/o drl)
2.4l & 2.7l
3.4l
4wd ind
A/t
A/t oil temp ind
A/t p ind
A10
A11
A12
A13
A16
Abs ind
Abs inverter
Anti-lock brakes system
B17
B18
B19
Brake fluid level warning switch (on brake fluid reservoir)
Brake ind
Bulb check relay
C10
C11
C12
C13
C14
C16
Charge ind
Combination meter
Control circuit
Cruise control system
Cruise ind
D j9
D10
D11
D12
D13
D14
D15
D16
D17
D19
D20
Daytime running light relay (main) (behind dash, right of steering column)
Dome fuse 15a
E j10
Eb (2.4l & 2.7l: under data link connector 1) (3.4l: near throttle body)
Ect pwr ind
Ef (at ignition coil bracket)
Engine controls system
Exterior lights system
F10
F16
F20
Fuel gauge
Fuel ind
Fuel sender (in fuel tank)
Gauge fuse 10a
Headlights system
High beam ind
Hot at all times
Hot in on or start
Hot w/ tail realay energized
Id (at left kick panel)
Ig (at left side of dash)
Ign fuse 7.5a
Illum
Interior lights system
J/b 1 (behind dash, left of steering column)
J/b 3 (left) (behind dash, above steering column)
J/c 9 & 10 (on left side of engine compt, at r/b 2)
Left turn ind
Malfunction ind lamp
O/d off ind
Oil ind
Oil pressure switch (2.4l & 2.7l: on lower right side of engine) (3.4l: on lower left front of engine)
Parking brake switch (on base of park brake lever)
R/b 2 (on left side of engine compt)
Right turn ind
Rr diff lock ind
Seat belt ind
Speedometer
Srs ind
Starting/charging system
Tachometer
Tail fuse 10a
Transmissions system
Warning system
Washer ind
Water temperature gauge
Wiper/washer system

Instrument Cluster Wiring Diagram, without Tachometer for Toyota Tacoma S-Runner 2003

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List of elements for Instrument Cluster Wiring Diagram, without Tachometer for Toyota Tacoma S-Runner 2003:

(2.4l & 2.7l: on right side of engine) (3.4l: on rear of engine) water temperature sender
(behind dash, above steering column) j/b 3 (left)
(on transmission) vehicle speed sensor
(or red)
2.4l & 2.7l
3.4l
4wd ind
A/t
A/t oil temp ind
A/t p ind
A10
A11
A12
A13
A16
Abs ind
Abs inverter
Anti-lock brakes system
B17
B18
B19
Brake fluid level warning switch (on brake fluid reservoir)
Brake ind
Bulb check relay
C10
C11
C12
C13
C14
C16
Charge ind
Combination meter
Cruise control system
Cruise ind
D10
D11
D12
D13
D14
D15
D16
D17
D19
D20
Daytime running light relay (main) (behind dash, right of steering column)
Ea (2.4l & 2.7l: at left front fender) (3.0l: at right front fender)
Eb (2.4l & 2.7l: under data link connector 1) (3.4l: near throttle body)
Ect pwr ind
Ef (at ignition coil bracket)
Engine controls system
Exterior lights system
F10
F16
F20
Fuel gauge
Fuel ind
Fuel sender (in fuel tank)
Gauge fuse 10a
Headlights system
High beam ind
Hot in on or start
Hot w/ tail relay energized
Id (at left kick panel)
Ig (at left side of dash)
Ign fuse 7.5a
Illum
Interior lights system
J/b 1 (behind dash, left of steering column)
J/b 3 (left) (behind dash, above steering column)
J/b 3 (left) (behind dash, above steering column)
J/c 9 & 10 (on left side of engine compt, at r/b 2)
J10
J9 d
Left turn ind
Malfunction ind
O/d off ind
Oil ind
Oil pressure switch (2.4l & 2.7l: on lower right side of engine) (3.4l: on lower left front of engine)
Parking brake switch (on base of parking brake lever)
R/b 2 (on left side of engine compt)
Right turn ind
Seat belt ind
Speedometer
Srs ind
Starting/charging system
Tail fuse 10a
Transmissions system
W/ drl
W/o drl
Warning system
Washer ind
Water temperature gauge
Wiper/washer system

INTERIOR LIGHTS

Courtesy Lamps Wiring Diagram for Toyota Tacoma S-Runner 2003

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List of elements for Courtesy Lamps Wiring Diagram for Toyota Tacoma S-Runner 2003:

(except 3.4l) (3.4l)
(in dash harness, at left kick panel) i2 i1
B1 (in body harness, at left "a" pillar)
Body ecu
Dome fuse 15a
Door
Double, extra cab
Ecu-ig fuse 15a
H10
Hot at all times
Hot in on or start
Interior light
J/b 1 (behind dash, left of steering column)
L10
L11
Left
Left front door courtesy switch
Left rear door courtesy switch (double cab)
Off
Personal light
R/b 2 (on left side of engine compt)
Regular cab
Right
Right front door courtesy switch
Right rear door courtesy switch (double cab)
W/ personal light

Instrument Illumination Wiring Diagram for Toyota Tacoma S-Runner 2003

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List of elements for Instrument Illumination Wiring Diagram for Toyota Tacoma S-Runner 2003:

(at left side of dash) ig
(behind center of dash) j/b 3 (center)
(behind dash, above steering column) j/b 3 (left)
A/c control assembly
A12
A16
A17
Alt fuse 120a
Ashtray illumination
Body ecu
C11
C12
C13
C14
C16
C17
C18
C19
C21
Cigarette lighter illumination
Electronically controlled transmission pattern select switch (a/t)
Except double cab
F13
F16
Glove box light
H10
Hazard switch
Head
Hot at all times
I10
I11
I12
I14
I15
I17
I18
J/b 1 (behind dash, left of steering column)
J/b 3 (center) (behind center of dash)
J/b 3 (left) (behind dash, above steering column)
L15
Light control switch (combination switch)
Meter illumination (combination meter)
O/d main switch (shift lock control relay) (a/t)
Off
Passenger air bag manual on/off indicator
R/b 2 (on left side of engine compt)
Radio & player
Rear differential lock switch
Red
Rheostat
Tail
Tail fuse 10a
Tail relay

POWER DISTRIBUTION

Power Distribution Wiring Diagram (1 of 2) for Toyota Tacoma S-Runner 2003

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List of elements for Power Distribution Wiring Diagram (1 of 2) for Toyota Tacoma S-Runner 2003:

(diagram 2 of 2)
A/c dual pressure switch, a/c control assembly
A/c fuse 10a
Abs actuator w/ ecu
Abs fuse 60a
Alt fuse 120a
Alt-s fuse 7.5a
Am1 fuse 40a
Am2 fuse 30a
Battery
Blower motor
Body ecu, clock, radio & player, combination meter
Combination meter, clock interior lights, exterior lights, engine control module, rheostat
Compt)
Data link connector
Dimmer relay
Dome fuse 15a
Drl fuse 7.5a
Drl relay 4
Ea (left
Efi fuse 20a
Efi relay, engine control module
End of dash)
From acc
Front fender)
Fuse (diagram 2 of 2) d
Generator
Head (hi lh) fuse 10a
Head (hi rh) fuse 10a
Head (lh) fuse 10a
Head (lo lh) fuse 10a
Head (lo rh) fuse 10a
Head (rh) fuse 10a
Head relay
Heater fuse 50a
Heater relay
I12
Ie (right
J/b fuse 50a
J/c 11 (above glove box)
J/c 9, j/c 10 (left side of engine compt)
J10 d
J9 a
Left headlamp
Obd fuse 7.5a
Power outlets
Pwr outlet fuse 15a
Pwr outlet relay
R/b 2 (left side of engine compt)
Red
Right headlamp
Starter relay
Switch (diagram 2 of 2)
Tail fuse 10a
Tail relay
To ignition
To j/b 1
W/ drl
W/o drl

Power Distribution Wiring Diagram (2 of 2) for Toyota Tacoma S-Runner 2003

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List of elements for Power Distribution Wiring Diagram (2 of 2) for Toyota Tacoma S-Runner 2003:

2.4l, 2.7l
3.4l
4wd ecu (w/ 2-4 select), transmission control relay (w/ add), detection switch (w/ add), rear differential lock ecu
4wd fuse 20a
Acc
Acc fuse 15a
Am1
Am2
Body ecu
Cigarette lighter
Clock
Clutch start switch, park/ neutral position switch, clutch start cancel switch, engine control module
Combination meter
Cruise control clutch switch, o/d solenoid (2.4l), clutch start cancel switch, combination meter, vehicle speed sensor, daytime running lamp relay (main), park/neutral position switch, air vent mode control servo motor, air inlet control servo motor, a/c control assembly, rear differential lock switch, electronically controlled transmission pattern select switch (2.4l, 2.7l), backup light switch
Cruise control ecu
Drl relay (main), a/c control assembly
Ecu-b fuse 7.5a
Ecu-ig fuse 15a
Efi relay (2.4l, 2.7l)
Engine control module (3.4l)
F10
F11
From am1 fuse (diagram 1 of 2) b
From am2 fuse (diagram 1 of 2) a
From r/b 2 (diagram 1 of 2) c
G10
G11
G12
G13
Gauge fuse 10a
Generator, heater relay
Hazard switch
Horn haz fuse 15a
I12
I13 (right side of dash)
Ie (right end of dash)
Ig1
Ig2
Ign fuse 7.5a
Igniter, injectors, ignition coils
Ignition coils & igniters, noise filter, injectors
Ignition switch
J/b 1 (behind dash, left of steering column)
J/b 3 (center) (behind center of dash)
Lock
O/d ecu (2.4l)
Oulet relay (diagram 1 of 2)
Power fuse 30a
Power relay
Power seat switch
Radio & player
Red
Remote control mirror switch
Shift lock control relay
St1
Sta fuse 7.5a
Start
Stop fuse 10a
Stop light switch
To pwr
Turn fuse 10a
Wiper fuse 20a
Wiper motor, washer motor, wiper & washer switch

POWER DOOR LOCKS

Power Door Locks Wiring Diagram for Toyota Tacoma S-Runner 2003

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List of elements for Power Door Locks Wiring Diagram for Toyota Tacoma S-Runner 2003:

(3.4l)
(except 3.4l)
(in dash harness, at left side of dash) i3
(in dash harness, at right kick panel) i18
(in dash harness, at top left side of dash) i5
B11
B12
B13
B21
B22
Body ecu
Dome fuse 15a
E14
E15
E16
E17
E18
E19
Ecu-ig fuse 15a
F16
F21
Hot at all times
Hot in on or start
I1 (in dash harness, at left kick panel)
Ie (at right side of dash)
Ig (at left side of dash)
J/b 1 (behind dash, left of steering column)
J/b 3 (left) (behind dash, above steering column)
Left door key lock & unlock switch
Left door lock control switch (power window master switch)
Left front door courtesy switch
Left front door lock motor & door unlock detection switch
Left rear door courtesy switch
Left rear door lock motor (w/ double cab)
Lock
Power fuse 30a
R/b 2 (on left side of engine compartment)
Right door key lock & unlock switch
Right door lock control switch
Right front door courtesy switch
Right front door lock motor & door unlock detection switch
Right rear door courtesy switch
Right rear door lock motor (w/ double cab)
Unlock
Unlock warning switch
W/ double cab
W/o double cab

POWER MIRRORS

Power Mirrors Wiring Diagram for Toyota Tacoma S-Runner 2003

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List of elements for Power Mirrors Wiring Diagram for Toyota Tacoma S-Runner 2003:

Acc fuse 15a
Down
G12
Hot in acc or on
I20 (in dash harness, at left kick panel)
Ie (at right side of dash)
J/b 1 (behind dash, left of steering column)
J/b 3 (center) (behind center of dash)
J/b 3 (left) (behind dash, above steering column)
Left
Left remote control mirror
Operation switch
Red
Remote control mirror switch
Right
Right remote control mirror
Select switch

POWER SEATS

Power Seats Wiring Diagram for Toyota Tacoma S-Runner 2003

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List of elements for Power Seats Wiring Diagram for Toyota Tacoma S-Runner 2003:

Hot at all times
Ig (at left side of dash)
J/b 1 (behind dash, left of steering column)
Lumbar support power seat motor
Lumbar support power seat switch
Power fuse 30a
Red

POWER WINDOWS

Power Windows Wiring Diagram for Toyota Tacoma S-Runner 2003

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List of elements for Power Windows Wiring Diagram for Toyota Tacoma S-Runner 2003:

(in dash harness, at center of dash)
(in dash harness, at right kick panel)
B14
B15
B16
Body ecu
Dome fuse 15a
Double cab
Down
Ecu-ig fuse 7.5a
Except double cab
Hot at all times
Hot in on or start
I18
Ie (at right end of dash)
Ig (at left side of dash)
J/b 1 (behind dash, left of steering column)
J/b 3 (left) (behind dash, above steering column)
L11
Left front door courtesy switch
Left front power window motor
Left rear
Left rear power window control switch (double cab)
Left rear power window motor (double cab)
Lock
Normal
Passenger
Power fuse 30a
Power window master switch
Pwr relay
R/b 2 (on left side of engine compt)
Right front door courtesy switch
Right front power window control switch
Right front power window motor
Right rear
Right rear power window control switch (double cab)
Right rear power window motor (double cab)
Solid state
Window lock switch

RADIO

Radio Wiring Diagram for Toyota Tacoma S-Runner 2003

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List of elements for Radio Wiring Diagram for Toyota Tacoma S-Runner 2003:

Acc
Acc fuse 15a
Dome fuse 15a
Fl+
Fl-
Fr-
G10
Gnd
Hot at all times
Hot in on or acc
Ih (at right kick panel)
Ill
Interior lights system
J/b 1 (behind dash, left of steering column)
J/b 3 (left) (behind dash, above steering column)
Left front door speaker
Left rear speaker
Left tweeter (6 speaker)
Pnk
Pr+
R/b 2 (on left side of engine compartment)
Radio & player
Red
Right front door speaker
Right rear speaker
Right tweeter (6 speaker)
Rl+
Rl-
Rr+
Rr-

SHIFT INTERLOCK

Shift Interlock Wiring Diagram for Toyota Tacoma S-Runner 2003

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List of elements for Shift Interlock Wiring Diagram for Toyota Tacoma S-Runner 2003:

A16
A20
Acc
Acc fuse 15a
Ecu-ig fuse 15a
F10
G12
G17
G21
Hot at all times
Hot in acc or on
Hot in on or start
I12
Ie (in engine harness, at front of engine)
J/b 1 (behind dash, left of steering column)
J/b 3 (center) (behind center of dash)
J/b 3 (left) (behind dash, above steering column)
Key interlock solenoid
Kls+
Shift lock control relay (below floor shift lever)
Stop fuse 10a
Stoplight switch (on bracket, above brake pedal)
Stp
Unlock warning switch

STARTING/CHARGING

Charging Wiring Diagram for Toyota Tacoma S-Runner 2003

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List of elements for Charging Wiring Diagram for Toyota Tacoma S-Runner 2003:

Alt fuse 120a
Alt-s fuse 7.5a
Battery
Battery ground
C13
Charge warning light
Chg-
Combination meter
Daytime running light relay (main) (behind dash, right of steering column)
F10
Gauge fuse 10a
Generator
Hot in on or start
Ign fuse 7.5a
J/b 1 (behind dash, left of steering column)
Junction connector (on left side of engine compt, at r/b 2)
Nca
R/b 2 (on left side of engine compt)
Red
W/ drl
W/o drl

Starting Wiring Diagram for Toyota Tacoma S-Runner 2003

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List of elements for Starting Wiring Diagram for Toyota Tacoma S-Runner 2003:

(2.4l & 2.7l)
(2.4l)
(3.4l & 2.7l)
(3.4l) engine control module (behind right side of dash)
A/t
A16
A20
Acc
Alt fuse 120a
Am1 fuse 40a
Battery
Battery ground
Bulb check relay
C12
Clutch start cancel switch (m/t)
Clutch start switch (m/t)
Combination meter
D j9
D15
D19
E10
E20
E21
E22
Ea (2.4l, 2.7l: at left front fender) (3.4l: at right front fender)
F16
F20
Gauge fuse 10a
Hot in on or start
Ie (at right side of dash)
Ig (at left side of dash)
Ignition switch
J/b 1 (behind dash, left of steering column)
J/b 3 (left) (behind dash, above steering column)
J10
Junction connector 9 & 10 (on left side of engine compartment, at r/b 2)
M/t
Nca
Nsw
Off
P/ n
Park/ neutral position switch (a/t) (on transmission)
R/b 2 (on left side of engine compartment)
Solid state
Sta
Sta fuse 7.5a
Start
Starter
Starter relay

SUPPLEMENTAL RESTRAINTS

Supplemental Restraints Wiring Diagram for Toyota Tacoma S-Runner 2003

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List of elements for Supplemental Restraints Wiring Diagram for Toyota Tacoma S-Runner 2003:

(left end of dash) id
(right end of dash) ih
(right side of dash) ie
(w/o double cab) passenger air bag manual on/off switch)
+sl
+sr
-sl
-sr
A16
A18
Air bag squib (front passenger air bag assembly) (w/o double cab)
Air bag squib (front passenger) air bag assembly
Air bag squib (steering wheel pad)
Buckle switch (in driver's seat belt buckle)
C10
C12
C20
C21
C22
Center air bag sensor assembly (below center of dash)
Combination meter
D19
D20
Data link connector (dlc) 3 (partial) (below left center of dash)
Ecu-ig fuse 15a
F16
F20
G16
G17
Gauge fuse 10a
H14
H15
H16
H17
H18
H19
Hot in on or start
Ie (right side of dash)
Ig1
Ig2
Ign fuse 7.5a
J/b 1 (behind dash, left of steering column)
J/b 3 (center) (behind center of dash)
J/b 3 (left) (behind dash, above steering column)
J/c 11 (above glove box)
Lbe+
Left front air bag sensor (on left front of engine compartment, behind bumper)
Left pretensioner (at base of left "b" pillar)
Nca
Passenger air bag manual on/off indicator (w/o double cab)
Pl+
Pl-
Pr+
Pr-
Right front air bag sensor (on right front of engine compartment, behind bumper)
Right pretensioner (at base of right "b" pillar)
Sil
Spiral cable
Srs
W/double cab
W/o double cab