ENGINE PERFORMANCE – Lexus GS 450h 2014 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

3.5L HYBRID

3.5L Hybrid, Engine Controls Wiring Diagram (1 of 7) for Lexus GS 450h 2014

List of elements for 3.5L Hybrid, Engine Controls Wiring Diagram (1 of 7) for Lexus GS 450h 2014:

• (fuel tank) fuel sender gauge
• (left rear of engine compt) a1
• (left side of engine compt)
• (left side of luggage compt) fuel pump control ecu
• +b2
• 2nd
• A20
• A6 (left end of dash)
• Af1
• Au1
• Batt
• Canh
• Canister pressure sensor
• Canister pump module (under center rear of vehicle)
• Canl
• Cann
• Canp
• Combination switch assembly
• Computer data lines system
• Cooling fans system
• D24
• Ecm (engine control module) (left side of engine compt)
• Eco
• Ecu
• Engine room r/b 1 (left side of engine compt)
• Etcs fuse 10a
• Ev mode
• F2 (right rear of engine)
• Fp-
• Fpc
• G2o
• Gnd
• Hot at all times
• Hot w/ ig2 relay energized
• Igsw
• Ill+
• Ill-
• Instrument cluster system
• Interior lights system
• J/c a53
• Leak detection pump
• Left cowl side j/b (left end of dash)
• Lh-ig2 fuse 10a
• Mgnd
• Mpmp
• Mrel
• Mtrb
• N6 (left center of dash)
• Na2
• Normal
• P/i-b 2 fuse 80a
• Pnk
• Ppmp
• Red
• Rfc
• Rtnv
• Sgnd
• Snow
• Snwi
• Spcn
• Sport
• Spsw
• Tach
• U4 (front left side of luggage compt)
• Vcc
• Vent valve
• Vgnd
• Vlvb
• Vout
• Vpmp

3.5L Hybrid, Engine Controls Wiring Diagram (2 of 7) for Lexus GS 450h 2014

List of elements for 3.5L Hybrid, Engine Controls Wiring Diagram (2 of 7) for Lexus GS 450h 2014:

• (left rear of engine compt) a1
• (left side of engine compt)
• +bm
• A/c amplifier (center of dash)
• A/f fuse 15a
• A/f relay
• A1a+
• A2a+
• A6 (left end of dash)
• Af1
• Canh
• Canl
• Computer data lines system
• E14
• E15
• E16
• E19
• Ecm (engine control module) (left side of engine compt)
• Ecos
• Edu fuse 20a
• Efi 2 fuse 10a
• Efi main 1 relay
• Efi main 2 relay
• Efi main fuse 25a
• Efi vacuum sensor (left rear of engine)
• Engine room j/b 1 (left side of engine compt)
• Epim
• Epr
• Ev1+
• Ev2+
• F/pmp fuse 25a
• F10
• F11
• F12
• F3 (right side of engine)
• Fm2
• Fpd
• Fpf
• Fuel pressure sensor (rear of engine)
• Inj relay
• Inj3
• J/c a53
• J/c f69
• Knk1
• Knk2
• Me01
• N78
• N80
• Ne+
• Pim
• Pnk
• Red
• Tha
• Vce1
• Vce2
• Vcpm
• Vcpr
• Vcv1
• Vv1+
• Vv2+

3.5L Hybrid, Engine Controls Wiring Diagram (3 of 7) for Lexus GS 450h 2014

List of elements for 3.5L Hybrid, Engine Controls Wiring Diagram (3 of 7) for Lexus GS 450h 2014:

• (left side of engine compt) j/c f67
• (top rear of engine) throttle body w/ motor assembly
• (transmission) solenoid valve assembly
• Af1
• Crank position sensor (lower left front of engine)
• Engine room j/b 1 (left side of engine compt)
• Ex+
• Ex-
• Fm2
• Fuel injectors 1, 3 & 5 (port injection) (top right side of engine)
• Fuel injectors 2, 4 & 6 (port injection) (top left side of engine)
• Hot w/ ig2 relay energized
• Ic1
• Ic2
• Ign fuse 10a
• Inj fuse 10a
• Mh1
• Pnk
• Red
• Sfc+
• Sfc-
• Shield
• Vc2
• Vta
• Vta2
• Vvt sensor (bank 2 exhaust side) (left rear side of engine)

3.5L Hybrid, Engine Controls Wiring Diagram (4 of 7) for Lexus GS 450h 2014

List of elements for 3.5L Hybrid, Engine Controls Wiring Diagram (4 of 7) for Lexus GS 450h 2014:

• (left side of engine compt) j/c f67
• (top left side of engine)
• (top right side of engine)
• A1a-
• A2a-
• Af1
• E2g
• Ecm (engine control module) (left side of engine compt)
• Ekn2
• Eknk
• Eta
• Etha
• Ethw
• Ev1-
• Ev2-
• Ex1b
• Ex2b
• F1 (left rear of engine)
• F2 (right rear of engine)
• Ge01
• Gnd
• Ht2b
• Igf1
• Igf2
• Ignition coil 1
• Ignition coil 2
• Ignition coil 3
• Ignition coil 4
• Ignition coil 5
• Ignition coil 6
• Igt1
• Igt2
• Igt3
• Igt4
• Igt5
• Igt6
• Intake mass air flow meter (right side of engine compt, in air intake duct)
• Ne-
• Ox1b
• Ox2b
• Pnk
• Rear oxygen sensor 2 (bank 2 sensor 2) (left cylinder bank exhaust system, near catalytic converter)
• Red
• Shield
• Tha
• Thw
• Vcta
• Vcv2
• Vta1
• Vta2
• Vv1-
• Vv2-

3.5L Hybrid, Engine Controls Wiring Diagram (5 of 7) for Lexus GS 450h 2014

List of elements for 3.5L Hybrid, Engine Controls Wiring Diagram (5 of 7) for Lexus GS 450h 2014:

• (left side of engine compt) j/c a50 & f66
• (right front of engine) injector driver (edu)
• (right rear of engine) fuel pump
• +b2
• A50
• Af1
• Efi engine coolant temperature sensor (top right rear of engine)
• Ex+
• Ex-
• F3 (right side of engine)
• F36
• F37
• F66
• Fp+
• Fp-
• Fpd
• Fpf1
• Ht1b
• Ij1+
• Ij1-
• Ij2+
• Ij2-
• Ij3+
• Ij3-
• Ij4+
• Ij4-
• Ij5+
• Ij5-
• Ij6+
• Ij6-
• Inj2
• Inj3
• Injf
• Na1
• Ox1b
• Pnk
• Rear oxygen sensor (bank 1 sensor 2) (right cylinder bank exhaust system, near catalytic converter)
• Red
• Shield
• Vc2
• Vvl+
• Vvl-
• Vvr+
• Vvr-
• Vvt sensor (bank 1 exhaust side) (right rear side of engine)
• Vvt sensor (bank 1 intake side) (right front side of engine)
• Vvt sensor (bank 2 intake side) (left front side of engine)

3.5L Hybrid, Engine Controls Wiring Diagram (6 of 7) for Lexus GS 450h 2014

List of elements for 3.5L Hybrid, Engine Controls Wiring Diagram (6 of 7) for Lexus GS 450h 2014:

• (left side of engine compt) j/c a50 & f66
• (right front of engine)
• (right side of dash)
• (top left side of engine) fuel injectors 2, 4 & 6 (direct injection)
• (top right side of engine) fuel injectors 1, 3 & 5 (direct injection)
• 5v ic
• 5v+b
• A14
• A50
• Can i/f
• Combination meter assembly
• Computer data lines system
• Cpu
• Display driver
• F2 (right rear of engine)
• F3 (right side of engine)
• F66
• Fj1
• I/f
• J/c n128
• K1 (right front of engine)
• Knock control sensor (bank 1) (top right side of engine)
• Knock control sensor (bank 2) (top left side of engine)
• Led driver
• Malfunction ind lamp
• N40
• N6 (left center of dash)
• Na1
• Na2
• Pnk
• Red
• Shield
• Skid control ecu w/ actuator (left rear of engine compt)
• Sp1
• Speaker
• Telltales

3.5L Hybrid, Engine Controls Wiring Diagram (7 of 7) for Lexus GS 450h 2014

List of elements for 3.5L Hybrid, Engine Controls Wiring Diagram (7 of 7) for Lexus GS 450h 2014:

• (left rear of engine) air fuel ratio sensor 2 (bank 2 sensor 1)
• (left side of engine) left cam timing oil control valve (bank 2 exhaust side)
• (left side of engine) left cam timing oil control valve assembly (bank 2 intake side)
• (right rear of engine) air fuel ratio sensor (bank 1 sensor 1)
• (right side of engine) right cam timing oil control valve assembly (bank 1 exhaust side)
• (right side of engine) right cam timing oil control valve assembly (bank 1 intake side)
• A1a+
• A1a-
• A20
• A2a+
• A2a-
• A35
• A36
• Accelerator pedal sensor (top of accelerator pedal assembly)
• Af1
• Am2 fuse 7.5a
• Am21
• Ca1h
• Ca1l
• Computer data lines system
• E01
• E02
• E04
• E05
• Ecm (engine control module) (left side of engine compt)
• Engine oil level sensor (right side of engine oil pan)
• Engine oil pressure switch (lower left front of engine)
• Engine room r/b 1 (left side of engine compt)
• Ep1
• Ep2
• Evsw
• F1 (left rear of engine)
• F3 (right side of engine)
• Gauge fuse 5a
• Gnd
• Ha1a
• Ha2a
• Hot at all times
• Hot w/ ig2 relay energized
• Ht1b
• Ht2b
• Hybrid system circuit
• Inj1
• Inj2
• Irel
• Loil
• N6 (left center of dash)
• N91
• N92
• Na1
• Oc1+
• Oc1-
• Oc2+
• Oc2-
• Oe1+
• Oe1-
• Oe2+
• Oe2-
• Pnk
• Power management control ecu (right end of dash)
• Prg
• Red
• Right cowl side j/b (right end of dash)
• Shield
• Spdi
• Vcp1
• Vcp2
• Vpa1
• Vpa2
• Vsv (purge) (top right rear of engine)

3.5L Hybrid, Hybrid System Wiring Diagram (1 of 6) for Lexus GS 450h 2014

List of elements for 3.5L Hybrid, Hybrid System Wiring Diagram (1 of 6) for Lexus GS 450h 2014:

• (left front of engine compt) inverter water pump assembly
• (left rear of engine compt)
• (left rear of engine compt) a1
• +b2
• +bwp
• A1 (left rear of engine compt)
• A35
• A38
• Af1
• Air conditioning system
• At1
• Clk+
• Clk-
• Drn1
• Drn2
• Drn4
• Drn5
• Drn6
• Engine room r/b 1 (left side of engine compt)
• F50
• Fa2
• Fctl
• Gcs
• Gcsg
• Gmt
• Gmtg
• Gnd
• Grf
• Grfg
• Gsn
• Gsng
• Hot at all times
• Hsdn
• Htm+
• Htm-
• Hybrid vehicle generator
• Hybrid vehicle transmission assembly
• Igct 1 fuse 30a
• Igct 2 fuse 5a
• Igct 3 fuse 7.5a
• Igct 4 fuse 7.5a
• Igct 5 fuse 7.5a
• Igct relay
• Ilk
• Ilko
• Inv w/p fuse 10a
• Inv w/p relay
• Inverter w/ converter (right rear corner of engine compt)
• Iwp
• J/c a53 (left side of engine compt)
• J/c t44 (right "c" pillar)
• Mrel
• Mth+
• Mth-
• Na4
• Niwp
• Nodd
• Nwp
• Oil pmp fuse 60a
• Oil pump relay
• Pnk
• Power management control ecu (right end of dash)
• Psft
• Red
• Req+
• Req-
• Shield
• St1-
• Swp
• T2 (right "c" pillar)
• Tpm1
• Tpm2
• Tpst
• Tm1
• Vlo

3.5L Hybrid, Hybrid System Wiring Diagram (2 of 6) for Lexus GS 450h 2014

List of elements for 3.5L Hybrid, Hybrid System Wiring Diagram (2 of 6) for Lexus GS 450h 2014:

• (left "c" pillar)
• (left "c" pillar) j/c u52 & u53
• (left side of hv battery assembly) left battery cooling blower assembly
• (left side of luggage compt)
• (right rear corner of engine compt)
• A14
• A38
• A39
• A44
• A5 (right end of dash)
• A61
• Acpb
• Acpe
• Air conditioning system
• Amd
• Au1
• B13
• B18
• Bat fan relay (hv)
• Batt fan (hv) fuse 20a
• Cbi
• Cei
• Dc/dc fuse 150a
• Dc/dc-s (hv) fuse 7.5a
• Drn3
• Drn7
• Drn8
• Engine room j/b 1 (left side of engine compt)
• F51
• F64
• Fa3
• Fp0
• Fp1
• Gnd0
• Gnd1
• Gnd2
• Hot at all times
• Hybrid vehicle motor
• Hybrid vehicle transmission assembly
• Idh
• Ig0
• Ig1
• Igct
• Ilki
• Inverter bus bar plate sub assembly (right rear of engine compt)
• Inverter w/ converter assembly
• J/c t44 (right "c" pillar)
• Luggage room j/b 1
• Mcs
• Mcsg
• Mmt
• Mmtg
• Mrf
• Mrfg
• Msn
• Msng
• Nodd
• Nt1
• Nu1
• Ohg
• Ohu
• Ohv
• Ohw
• Oigh
• Oil pump motor controller (on oil pump motor)
• Oil pump w/ motor assembly (right side of engine)
• Omt
• Omtg
• Opst
• Pnk
• Red
• Req+
• Req-
• Right battery cooling blower assembly (right side of hv battery assembly)
• Shield
• Si0
• Si1
• Sig
• T4 (front right side of luggage compt)
• Tu1
• Tm1
• U52
• U53
• Ux2
• Vlo
• Z19
• Z20

3.5L Hybrid, Hybrid System Wiring Diagram (3 of 6) for Lexus GS 450h 2014

List of elements for 3.5L Hybrid, Hybrid System Wiring Diagram (3 of 6) for Lexus GS 450h 2014:

• (front right side of luggage compt) t4
• (left center of dash)
• (right "c" pillar)
• (right "c" pillar) j/c t44 & t45
• (under center console)
• (under center console) n3
• 15a
• Af1
• Am22
• At1
• Battery thermometer sensor (on battery)
• Bth+
• Bth-
• Busbar module
• Ca2h
• Ca2l
• Cbi
• Cbpe
• Cei
• Cepe
• Computer data lines system
• Current sensor
• D16
• Electronic power steering system
• Eo1
• Ept1
• Ethb
• Exterior lights system
• Fp0
• Fp1
• Gb0
• Gb1
• Gb2
• Gb3
• Gb4
• Gbo
• Gc0
• Gib
• Gnd
• Hybrid battery junction block assembly
• Hybrid vehicle batterry
• Hybrid vehicle battery
• Igct
• Ill+
• Ill-
• Indd
• Indm
• Indn
• Indp
• Indr
• Interior lights system
• J/c t44
• Kick down switch assembly
• Left cowl side j/b (left end of dash)
• Main relay
• N91
• Na3
• Nt1
• Nu1
• Oil pressure sensor (rear of engine)
• Pnk
• Power management control ecu (right end of dash)
• Pto1
• Pwr
• Recharge relay
• Red
• Resistor
• Service plug
• Shield
• Shift position indicator
• Si0
• Si1
• Sl1+
• Sl1-
• Sl2+
• Sl2-
• Smrb
• Smrg
• Smrp
• Spdi
• Ssw1
• T2 (right "c" pillar)
• T44
• T45
• Tb0
• Tb1
• Tb2
• Tb3
• Tb4
• Tco
• Thb
• Thermistor
• Tm1
• Ut1
• Vb1
• Vb10
• Vb11
• Vb12
• Vb13
• Vb14
• Vb15
• Vb16
• Vb17
• Vb18
• Vb19
• Vb2
• Vb20
• Vb3
• Vb4
• Vb5
• Vb6
• Vb7
• Vb8
• Vb9
• Vib
• Vout
• Vpt1
• Z16
• Z17
• Z18

3.5L Hybrid, Hybrid System Wiring Diagram (4 of 6) for Lexus GS 450h 2014

List of elements for 3.5L Hybrid, Hybrid System Wiring Diagram (4 of 6) for Lexus GS 450h 2014:

• (under center console)
• 2nd
• A/c amplifier assembly (center of dash)
• A18
• A20
• A22
• Agnd
• Am2 fuse 7.5a
• Antenna coil
• B21
• Canh
• Canl
• Certification ecu (right end of dash)
• Code
• Combination switch assembly
• Computer data lines system
• D12
• D15
• D17
• D22
• D26
• Driving support ecu assembly (left end of dash)
• Eco
• Ecos
• Ecu
• Engine control module (left side of engine compt)
• Ev mode
• G2o
• Gnd
• Hot at all times
• Hot w/ ig2 relay energized
• Ic1
• Ic2
• Ill+
• Ill-
• Interior lights system
• J/c a51 (upper left end of dash)
• Left cowl side j/b (left end of dash)
• Lh-ig2 fuse 10a
• N6 (left center of dash)
• N7 (base of right kick panel)
• N78
• N80
• N94
• N95
• Na1
• Na2
• Normal
• Pnk
• Power switch
• Red
• Right cowl side j/b (right end of dash)
• Snow
• Snwi
• Spcn
• Sport
• Spsw
• Ss1
• Ss2
• St1-
• Stop fuse 7.5a
• Stop light switch (brake pedal bracket)
• Swil
• Txct
• Vc5

3.5L Hybrid, Hybrid System Wiring Diagram (5 of 6) for Lexus GS 450h 2014

List of elements for 3.5L Hybrid, Hybrid System Wiring Diagram (5 of 6) for Lexus GS 450h 2014:

• A45
• A63
• Accelerator pedal position sensor assembly (top of accelerator pedal assembly)
• D26
• Ep1
• Ep2
• Hot w/ rh ig1 rly 1 relay energized
• Hybrid vehicle transmission (transmission wire)
• J/c n126 (left center of dash)
• N3 (under center console)
• N31
• N6 (left center of dash)
• Paddle shift switch
• Pb1
• Pb3
• Pnk
• Red
• Rh acc relay
• Rh ecu-ig fuse 10a
• Right cowl side j/b (right end of dash)
• Sftd
• Sftu
• Shift down
• Shift up
• Sl1+
• Sl1-
• Sl2+
• Sl2-
• Spiral cable (in steering column)
• Steering pad switch assembly
• Tho
• Transmission control switch (transmission floor shift assembly) (base of selector lever assembly)
• Vcp1
• Vcp2
• Vpa1
• Vpa2

3.5L Hybrid, Hybrid System Wiring Diagram (6 of 6) for Lexus GS 450h 2014

List of elements for 3.5L Hybrid, Hybrid System Wiring Diagram (6 of 6) for Lexus GS 450h 2014:

• (right side of dash)
• (transmission) shift lever position sensor
• (transmission) transmission revolution sensor (turbine)
• (under center console) n3
• +b1
• 5v ic
• A14
• A16
• A36
• Abfs
• Accd
• Af1
• Af2
• Air conditioning system
• Am21
• Anti-theft system
• Ca1h
• Ca1l
• Ca3n
• Ca3p
• Can i/f
• Canh
• Canl
• Ccs
• Clk
• Combination meter
• Computer data lines system
• Cpu
• Cruise control system
• Display driver
• E02
• E12
• Electronic power steering system
• Engine room r/b 1 (left side of engine compt)
• Ep1
• Ep2
• Etho
• Eti
• Evsw
• Gauge fuse 5a
• Gmt
• Gmtg
• Hot at all times
• Hot w/ ig2 relay energized
• I/f
• Ig1d
• Ig2
• Ig2d
• Imi
• Imo
• Indicator lamp
• Ite
• J/c n128
• Led driver
• Lin2
• Malfunction
• Mmt
• Mmtg
• Mpx-b fuse 10a
• N40
• N6 (left center of dash)
• N92
• Na1
• Na2
• Pb1
• Pb3
• Pnk
• Power distribution system
• Power management control ecu (right end of dash)
• Psok
• Red
• Right cowl side j/b (right end of dash)
• Sftd
• Sftu
• Shift interlock system
• Skid control ecu w/ actuator (left rear of engine compt)
• Slp
• Slr+
• Sp1
• Sp2+
• Sp2-
• Ssw2
• Stb
• Stp
• Telltales
• Tho
• Topm
• Vcp1
• Vcp2
• Vpa1
• Vpa2