ENGINE PERFORMANCE – Lexus IS 350 2014 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

3.5L

3.5L, Engine Performance Wiring Diagram (1 of 10) for Lexus IS 350 2014

List of elements for 3.5L, Engine Performance Wiring Diagram (1 of 10) for Lexus IS 350 2014:

• +b2
• 2wd
• A/f fuse 15a
• A/f relay
• A76
• A77
• Ae (right rear of engine compt)
• Anti-theft system
• Batt
• Can+
• Can-
• Canh
• Canl
• Ccs
• Computer data lines system
• Cooling fans system
• Cruise control system
• E03
• Efi 2 fuse 10a
• Efi main fuse 25a
• Efi main relay
• Engine control module (ecm) (left front of engine compt)
• Engine room j/b 2 (left side of engine compt)
• Epa
• Epa2
• Fa (left rear of engine)
• Fa1
• Fpc
• Ground j/c 1 (left rear of engine compt)
• Hot at all times
• Ht1b
• Ht2b
• Igsw
• Ill+
• Ill-
• Imi
• Imo
• Indicator
• Interior lights system
• Irel
• Ka (left kick panel)
• Ka1
• Ka7
• Kick down switch assembly (2wd)
• Ksw
• Mrel
• Neo
• Nsw
• Ox1b
• Ox2b
• Pnk
• Pwr
• Red
• Rfc
• Sftd
• Sftu
• Shift position
• Snwi
• Sp2+
• Sp2-
• Spcn
• Spd
• Spsw
• St1-
• Sta
• Starting/charging system
• Stp
• Tach
• Transmissions system
• Vcp2
• Vcpa
• Vpa
• Vpa2

3.5L, Engine Performance Wiring Diagram (2 of 10) for Lexus IS 350 2014

List of elements for 3.5L, Engine Performance Wiring Diagram (2 of 10) for Lexus IS 350 2014:

• (left rear of engine compt) ground j/c 1
• A/c amplifier (center of dash)
• Anti-lock brakes system
• Canh
• Canl
• Combination switch assembly
• Computer data lines system
• Eco
• Ecos
• Efi main 2 relay
• Engine room r/b 1 (right rear of engine compt)
• Engine room r/b 2 (left side of engine compt)
• Fa1
• Fuel pmp fuse 20a
• Hot at all times
• Ill+
• Ill-
• Inj fuse 20a
• Inj relay
• Interior lights system
• K10
• K11
• Ka (left kick panel)
• Ka1
• Normal
• Off vsc
• Pnk
• Red
• Snow
• Sport
• Variable suspension
• W/ adaptive
• W/o adaptive variable suspension

3.5L, Engine Performance Wiring Diagram (3 of 10) for Lexus IS 350 2014

List of elements for 3.5L, Engine Performance Wiring Diagram (3 of 10) for Lexus IS 350 2014:

• (left rear of trunk) fuel pump control ecu
• (left side of engine compt) engine room j/b 2
• (right end of dash) certification ecu
• (under left rear of vehicle, near fuel tank) fuel return vent tube sub-assembly
• 2wd
• A13
• A41
• Ab (left rear of engine compt)
• Aq2
• Batt
• Canh
• Canl
• Computer data lines system
• D10
• D14
• Driving support ecu assembly (left side of dash)
• Engine room j/b 1 (right rear of engine compt)
• Fa (left rear of engine)
• Fa1
• Fp-
• Fpc
• Fuel gauge sender
• Hot at all times
• Instrument cluster system
• Ka1
• Ka2
• Ka4
• Mk1
• P/i-b fuse 100a
• Park/neutral position switch (right side of transmission)
• Pnk
• Pump
• Qb (left side of trunk)
• Red
• Semiconductor power integration ecu
• Sftd
• Sftu
• Shift lock control ecu (under center console)
• Sksw
• Starting/ charging system
• Stp
• Stp-
• Transmission control ecu assembly (2wd) (left front of engine compt)
• Transmission control switch (transmission floor shift assembly) (base of selector lever)

3.5L, Engine Performance Wiring Diagram (4 of 10) for Lexus IS 350 2014

List of elements for 3.5L, Engine Performance Wiring Diagram (4 of 10) for Lexus IS 350 2014:

• (left side of dash) stop light switch assembly
• (left side of engine compt) j/c 1
• (rear of transmission) transmission revolution sensor (counter gear)
• (under left side of dash) accelerator pedal sensor assembly
• Ae (right rear of engine compt)
• C19
• Engine room r/b 2 (left side of engine compt)
• Epa
• Epa2
• Etcs fuse 10a
• F75
• F76
• Fa (left rear of engine)
• Fa1
• Gnd
• Hot at all times
• Hot w/ ig2 relay energized
• Ic1
• Ic2
• Ign 1 fuse 7.5a
• Ign 2 fuse 7.5a
• Instrument panel j/b (left end of dash)
• J/c 5 (left side of engine compt)
• K26
• Left cam timing oil control valve assembly (bank 2 intake side) (left cylinder head)
• Left paddle shift switch
• Pnk
• Red
• Right cam timing oil control valve assembly (bank 1 intake side) (right cylinder head)
• Right paddle shift switch
• Right steering pad switch
• Spiral cable w/ sensor sub-assembly (under steering wheel)
• Steering pad switch assembly
• Stop fuse 5a
• Switch wire 1
• Vcp2
• Vcpa
• Vpa
• Vpa2

3.5L, Engine Performance Wiring Diagram (5 of 10) for Lexus IS 350 2014

List of elements for 3.5L, Engine Performance Wiring Diagram (5 of 10) for Lexus IS 350 2014:

• (left front of engine) crank position sensor
• (left rear of engine) fa
• (left side exhaust system) oxygen sensor 2 (bank 2 sensor 2)
• (right side exhaust system) oxygen sensor (bank 1 sensor 2)
• (under center rear of vehicle) canister pump module
• +bm
• 2wd
• 4wd
• Aq1
• Aq2
• Canister pressure sensor
• E2g
• Engine control module (ecm) (left front of engine compt)
• Ev1+
• Ev1-
• Fa1
• Ht1b
• Ht2b
• Intake mass air flow meter sub-assembly (right side of engine compt)
• Ka7
• Leak detection pump
• Mgnd
• Mpmp
• Mtrb
• Ne+
• Ne-
• Oc1+
• Oc1-
• Oc2+
• Oc2-
• Ox1b
• Ox2b
• Pnk
• Ppmp
• Prg
• Red
• Sgnd
• Shield
• Sl1+
• Sl1-
• Sl2+
• Sl2-
• Tha
• Tho1
• Thw
• Vcc
• Vent valve
• Vgnd
• Vlvb
• Vout
• Vpmp
• Vsv (purge) (right rear of engine)

3.5L, Engine Performance Wiring Diagram (6 of 10) for Lexus IS 350 2014

List of elements for 3.5L, Engine Performance Wiring Diagram (6 of 10) for Lexus IS 350 2014:

• 5v ic
• A52
• Acc relay
• C10
• C20
• Can i/f
• Canh
• Canl
• Combination meter assembly
• Computer data lines system
• Cpu
• Diode (park/neutral position switch assembly) (behind left side of dash)
• Driver display
• E.f.i. engine coolant temperature sensor (right rear of engine)
• Ecu-acc fuse 7.5a
• Engine oil level sensor (bottom right of engine)
• Engine oil pressure switch (front of engine)
• F75
• F76
• Fa1
• Fb (right rear of engine compt)
• Fuel pressure sensor (rear of engine)
• Gnd
• Hot at all times
• Hot w/ ig1 3 relay energized
• I/f
• Ig+
• Ig1 3 fuse 10a
• Instrument cluster system
• Instrument panel j/b (left end of dash)
• J/c 1 (left side of engine compt)
• J/c 5 (left side of engine compt)
• Ka1
• Kc (right kick panel)
• Led driver
• Loil
• Oilw
• Pnk
• Red
• Shield
• Speaker
• Telltales

3.5L, Engine Performance Wiring Diagram (7 of 10) for Lexus IS 350 2014

List of elements for 3.5L, Engine Performance Wiring Diagram (7 of 10) for Lexus IS 350 2014:

• (4wd) (left side of transmission)
• (left rear of engine compt) brake actuator assembly
• (left side of engine compt) j/c 5
• (left side of engine) vvt sensor (bank 2 exhaust side)
• (right rear of engine) vvt sensor (bank 1 exhaust side)
• A53
• Can h
• Can l
• Computer data lines system
• Electronically controlled transmission solenoid (transmission wire)
• Engine room j/b 2 (left side of engine compt)
• Ex+
• Ex-
• F75
• Fa1
• Hot w/ ig2 relay energized
• Instrument panel j/b (left end of dash)
• Meter fuse 7.5a
• Oil
• P inj fuse 10a
• Pnk
• Red
• Shield
• Sl1+
• Sl1-
• Sl2+
• Sl2-
• Slt+
• Slt-
• Slu+
• Slu-
• Sp1
• Stp
• Vc2

3.5L, Engine Performance Wiring Diagram (8 of 10) for Lexus IS 350 2014

List of elements for 3.5L, Engine Performance Wiring Diagram (8 of 10) for Lexus IS 350 2014:

• (right front of engine compt) injector driver
• (right front of engine) ja
• (right rear of engine) fuel pump assembly
• (right side of engine)
• +b2
• A75
• B20
• C18
• F35
• F37
• F74
• Fa (left rear of engine)
• Fi1
• Fp+
• Fp-
• Fpd
• Fpf1
• Fuel injector assembly 1 (for direct injection)
• Fuel injector assembly 3 (for direct injection)
• Fuel injector assembly 5 (for direct injection)
• Ij1+
• Ij1-
• Ij2+
• Ij2-
• Ij3+
• Ij3-
• Ij4+
• Ij4-
• Ij5+
• Ij5-
• Ij6+
• Ij6-
• Ijt1
• Ijt2
• Ijt3
• Ijt4
• Ijt5
• Ijt6
• Inj1
• Inj2
• Inj3
• Instrument panel j/b (left end of dash)
• J/c 4 (left side of engine compt)
• Knock control sensor (bank 1) (top right side of engine)
• Knock control sensor (bank 2) (top left side of engine)
• Pnk
• Red
• Shield
• Transmission revolution sensor (turbine) (rear of transmission)

3.5L, Engine Performance Wiring Diagram (9 of 10) for Lexus IS 350 2014

List of elements for 3.5L, Engine Performance Wiring Diagram (9 of 10) for Lexus IS 350 2014:

• (left side of engine)
• (right front of engine) va
• (top right side of engine)
• E04
• Ekn2
• Eknk
• Engine control module (ecm) (left front of engine compt)
• Ev2+
• Ev2-
• F75
• F76
• Fb (right rear of engine compt)
• Fuel injector assembly 1 (for port injection)
• Fuel injector assembly 2 (for direct injection)
• Fuel injector assembly 2 (for port injection)
• Fuel injector assembly 3 (for port injection)
• Fuel injector assembly 4 (for direct injection)
• Fuel injector assembly 4 (for port injection)
• Fuel injector assembly 5 (for port injection)
• Fuel injector assembly 6 (for direct injection)
• Fuel injector assembly 6 (for port injection)
• Fw1
• Ha1a
• Ha2a
• Ic1
• Ic2
• J/c 5 (left side of engine compt)
• Knk1
• Knk2
• Nt+
• Nt-
• Pnk
• Red
• Shield
• Throttle body w/ motor assembly (right rear of engine)

3.5L, Engine Performance Wiring Diagram (10 of 10) for Lexus IS 350 2014

List of elements for 3.5L, Engine Performance Wiring Diagram (10 of 10) for Lexus IS 350 2014:

• (front of left cylinder head) vvt sensor (bank 2 intake side)
• (left cylinder head) left cam timing oil control valve assembly (bank 2 exhaust side)
• (left rear of engine) air fuel ratio sensor 2 (bank 2 sensor 1)
• (left rear of engine) fa
• (right cylinder head) right cam timing oil control valve assembly (bank 1 exhaust side)
• (right front of engine) vvt sensor (bank 1 intake side)
• (right rear of engine) air fuel ratio sensor (bank 1 sensor 1)
• (right rear of engine) fb
• 2wd
• 4wd
• A1a+
• A1a-
• A2a+
• A2a-
• Alt
• Compt)
• E01
• E02
• E05
• Engine control module (ecm) (left front of engine compt)
• Engine room j/b 2 (left side of engine compt)
• Eta
• F75
• Fa (left rear of engine)
• Fa1
• Fb (right rear of engine compt)
• Fpd
• Fpf1
• Ge01
• Gnd
• Ha1a
• Ha2a
• Hot w/ ig2 relay energized
• Ig2 fuse 10a
• Igf1
• Igf2
• Ignition coil assembly 1, 3 & 5 (right top of engine)
• Ignition coil assembly 2, 4 & 6 (left top of engine)
• Igt1
• Igt2
• Igt3
• Igt4
• Igt5
• Igt6
• Inj1
• Inj2
• Inj3
• J/c 2 (left side of engine compt)
• J/c 5 (left side of engine
• Me01
• Oe1+
• Oe1-
• Oe2+
• Oe2-
• Pnk
• Red
• Shield
• Slt+
• Slt-
• Slu+
• Slu-
• Starting/ charging system
• Vcta
• Vta
• Vta2
• Vv1+
• Vv1-
• Vv2+
• Vv2-
• Vvl+
• Vvl-
• Vvr+
• Vvr-