ENGINE PERFORMANCE – Lexus GS 450h 2008 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

3.5L

3.5L, Engine Controls Wiring Diagram (1 of 8) for Lexus GS 450h 2008

List of elements for 3.5L, Engine Controls Wiring Diagram (1 of 8) for Lexus GS 450h 2008:

• (right rear of engine)
• (right side of engine)
• +bm
• A1a+
• A1a-
• A2a+
• A2a-
• E83
• Engine control module (left side of engine compt)
• Engine oil pressure switch (lower left front of engine)
• Engine room r/b 1 (left side of engine compt)
• Eo5
• Etcs fuse 10a
• Fpd
• Fpf1
• Geo1
• Hot at all times
• Hot in on or start
• Ht1b
• Ht2b
• Ig2 fuse 10a
• Igf1
• Igf2
• Igt1
• Igt2
• Igt3
• Igt4
• Igt5
• Igt6
• Ijf2
• Ijf3
• Injf
• Left exhaust side camshaft timing oil control valve (left side of engine)
• Left intake side camshaft timing oil control valve (top left side of engine)
• Meo1
• Mol
• Mops
• Ne+
• Ne-
• Oc1+
• Oc1-
• Oc2+
• Oc2-
• Oe1+
• Oe1-
• Oe2+
• Oe2-
• Pnk
• Red
• Right exhaust side camshaft timing oil control valve
• Right intake side camshaft timing oil control valve
• Tha
• Throttle body assembly (top rear of engine)
• Vta
• Vta1
• Vta2
• Vv1+
• Vv1-

3.5L, Engine Controls Wiring Diagram (2 of 8) for Lexus GS 450h 2008

List of elements for 3.5L, Engine Controls Wiring Diagram (2 of 8) for Lexus GS 450h 2008:

• (left rear of engine)
• (right rear of engine) e2
• (top left side of engine)
• (top right side of engine)
• (top right side of engine) (ignition right) noise filter
• E2g
• Ex+
• Ex-
• Fuel injectors 1, 3 & 5 (port injector) (top right side of engine)
• Fuel injectors 2, 4 & 6 (port injector) (top left side of engine)
• Gnd
• 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
• J/c a8 & e10 (left side of engine a8 compt)
• J/c e9 (left side of engine compt)
• Mass air flow meter (right side of engine compt, in air intake duct)
• Red
• Right exhaust side vvt sensor (right rear side of engine)
• Right intake side vvt sensor (right front side of engine)
• Tha
• Vc2
• Vvr+
• Vvr-

3.5L, Engine Controls Wiring Diagram (3 of 8) for Lexus GS 450h 2008

List of elements for 3.5L, Engine Controls Wiring Diagram (3 of 8) for Lexus GS 450h 2008:

• (left rear of engine)
• (left rear of engine) air fuel ratio sensor (bank 2 sensor 1)
• (left rear of engine) e1
• (left side of engine compt) j/c a8 & e10
• (on exhaust system, near catalytic converter) heated oxygen sensor (bank 2 sensor 2)
• (on right side of engine, in exhaust manifold) heated oxygen sensor (bank 1 sensor 2)
• (right rear of engine) air fuel ratio sensor (bank 1 sensor 1)
• (top left rear of engine) (ignition left) noise filter
• A1a+
• A1a-
• A2a+
• A2a-
• E10
• Engine oil level sensor (right rear of engine)
• Ha1a
• Ha2a
• Ht1b
• Ht2b
• Knock control sensor (bank 2) (on left side of engine)
• Nca
• Ox1b
• Ox2b
• Pnk
• Red
• Right cowl side j/b (behind right end of dash)

3.5L, Engine Controls Wiring Diagram (4 of 8) for Lexus GS 450h 2008

List of elements for 3.5L, Engine Controls Wiring Diagram (4 of 8) for Lexus GS 450h 2008:

• (left side of engine compt) j/c a10 & a11
• A/f fuse 15a
• A/f relay
• A10
• A11
• A2 (left rear corner of engine compt)
• C/opn relay
• Crankshaft position sensor (left front of engine)
• E2 (right rear of engine)
• E2g
• E83
• Efi 2 relay
• Efi fuse 25a
• Efi main relay
• Ekn2
• Eknk
• Engine control module (left side of engine compt)
• Engine room j/b 1 (left side of engine compt)
• Eo1
• Eo2
• Eo3
• Ev1+
• Ev1-
• Ev2+
• Ev2-
• F/pmp fuse 25a
• Ha1a
• Ha2a
• Hot at all times
• Inj fuse 20a
• Inj relay
• Knk1
• Knk2
• Pnk
• Prg
• Red
• Thw
• Vc2
• Vsv (purge) (top right rear of engine)
• Vv2+
• Vv2-

3.5L, Engine Controls Wiring Diagram (5 of 8) for Lexus GS 450h 2008

List of elements for 3.5L, Engine Controls Wiring Diagram (5 of 8) for Lexus GS 450h 2008:

• (in fuel tank) fuel suction pump & gauge assembly
• (right front of engine compt) driver injector (edu)
• (right side of engine compt) fuel pump resistor
• +b2
• E1 (left rear of engine)
• E53
• E54
• Efi 2 fuse 10a
• Engine room r/b 1 (left side of engine compt)
• Ex+
• Ex-
• F/pmp relay
• Fp+
• Fp-
• Fpd
• Fpf1
• Ij1+
• Ij1-
• Ij2+
• Ij2-
• Ij3+
• Ij3-
• Ij4+
• Ij4-
• Ij5+
• Ij5-
• Ij6+
• Ij6-
• Ijf2
• Ijf3
• Injf
• J/c e10 (left side of engine compt)
• Knock control sensor (bank 1) (on right side of engine)
• Left exhaust side vvt sensor (left rear side of engine)
• Left intake side vvt sensor (left front side of engine)
• Nca
• Pnk
• Red
• Spill control valve (right rear of engine)
• V2 (left side of luggage compt)
• Vc2
• Vvl+
• Vvl-

3.5L, Engine Controls Wiring Diagram (6 of 8) for Lexus GS 450h 2008

List of elements for 3.5L, Engine Controls Wiring Diagram (6 of 8) for Lexus GS 450h 2008:

• (behind left side of dash) left center j/b
• (left side of engine compt) j/c a9
• (right front of engine) i1
• (right front of engine) j1
• (top left side of engine) fuel injectors 2, 4 & 6 (direct injector)
• (top right side of engine) fuel injectors 1, 3 & 5 (direct injector)
• Canister pressure sensor
• Canister pump module (under center rear of vehicle)
• E1 (left rear of engine)
• E10
• Engine coolant temperature sensor (top right side of engine)
• Fuel pressure sensor (rear of engine)
• G13
• H13
• J/c a8 & e10 (left side of engine compt)
• Leak detection pump
• Mgnd
• Mtrb
• Nca
• Pnk
• Ptnk
• Red
• Sgnd
• V17
• Vapor pressure sensor
• Vcc
• Vent valve
• Vgnd
• Vlvb
• Vout
• W/ active stabilizer suspension system
• W/o active stabilizer suspension system

3.5L, Engine Controls Wiring Diagram (7 of 8) for Lexus GS 450h 2008

List of elements for 3.5L, Engine Controls Wiring Diagram (7 of 8) for Lexus GS 450h 2008:

• (behind left end of dash) j/c a32 & a33
• (left side of engine compt) j/c a10
• A10
• A24
• A25
• A32
• A33
• A54
• Combination meter
• Computer data lines system
• Dome fuse 7.5a
• E13
• E2b
• Efi
• Engine room r/b 1 (left side of engine compt)
• Ep1
• Ep2
• Fuci
• Fuwi
• Gauge fuse 7.5a
• Hot at all times
• Hot in on or start
• Hybrid vehicle control ecu (left side of engine compt)
• Ig+
• Ign fuse 10a
• J15
• K2 (under left side of floor console)
• Lcd
• Master ind
• Mil ind
• Mpx+
• Mpx-
• Mpx-b fuse 7.5a
• Multi-information display
• Nei
• Pnk
• Power meter
• Red
• Right center j/b (behind right side of dash)
• Right cowl side j/b (behind right end of dash)
• Speedo meter
• Thb
• Vcp1
• Vcp2
• Vpa
• Vpa2

3.5L, Engine Controls Wiring Diagram (8 of 8) for Lexus GS 450h 2008

List of elements for 3.5L, Engine Controls Wiring Diagram (8 of 8) for Lexus GS 450h 2008:

• (left front of luggage compt) j/c v26 & v27
• (left rear corner of engine compt) a2
• (left side of engine compt) j/c a11 & a10
• (rear of engine) refueling valve
• +b1
• A10
• A11
• A53
• Accelerator position sensor (under left side of dash)
• Air conditioning system
• Ambient temperature sensor (behind left side of front fascia)
• Batt
• Battery thermometer sensor (left front of luggage compt)
• Body ecu
• Can+
• Can-
• Canh
• Canl
• Ccv
• Ccv2
• Computer data lines system
• Cooling fans system
• Drns
• Dsvr
• E1 (left rear of engine)
• E10
• Engine control module (left side of engine compt)
• Engine room r/b 1 (left side of engine compt)
• Ep1
• Ep2
• Fpr
• Fr10
• Fri
• Fuel
• Fuel lid courtesy switch
• Fuel vapor- containment valve (under left rear of vehicle)
• Go1
• Go2
• Hot at all times
• I1b-
• Igsw
• Inverter
• Irel
• J/c a50 (left side of engine compt)
• J/c a8 & e10 (left side of engine compt)
• J/c a8 & e10 (left side of engine compt) e10
• Left cowl side j/b (behind left end of dash)
• Lido
• Lst1
• Lst2
• Mpmp
• Mrel
• Neo1
• O2b-
• Ox1b
• Ox2b
• Pnk
• Ppmp
• Ptnk
• Rdef
• Red
• Relief vlv fuse 10a
• Relief vlv relay
• Rfc
• Rfrl
• Tach
• Tam
• V2 (left side of luggage compt)
• V26
• V27
• Vap2
• Vcp1
• Vpa1
• Vpa2
• Vpmp

3.5L, Hybrid System Wiring Diagram (1 of 5) for Lexus GS 450h 2008

List of elements for 3.5L, Hybrid System Wiring Diagram (1 of 5) for Lexus GS 450h 2008:

• (left side of engine compt) j/c a50
• +b2
• +bwp
• A53
• A54
• Anti-theft system
• Batt
• Battery blower motor (center front of luggage compt, at top of hybrid battery)
• Can+
• Can-
• Canh
• Canl
• Cchg
• Ccs
• Computer data lines system
• Cruise control system
• E1 (left rear of engine)
• E10
• Engine control module (left side of engine compt)
• Engine room j/b 1 (left side of engine compt)
• Gnd
• Go1
• Go2
• Hot at all times
• Hybrid vehicle control ecu (left side of engine compt)
• Igct fuse 20a
• Igct relay
• Ilki
• Imi
• Imo
• Inv w/p fuse 10a
• Inv w/p relay
• J/c a8 & e10 (left side of engine compt)
• J/c v27 (left front of luggage compt)
• Lgnd
• Mrel
• Nei
• Neo1
• Nodd
• Ohg
• Ohu
• Ohv
• Ohw
• Oigh
• Oil pmp fuse 80a
• Oil pump motor controller (right front corner of engine compt)
• Opm1
• Opm2
• Opst
• Red
• Sensor
• Sftd
• Sftu
• Sio
• Smrb
• Spdi
• St2
• Starting/charging system
• Swp
• V2 (left side of luggage compt)
• Water pump motor (inverter) (left front of engine compt)

3.5L, Hybrid System Wiring Diagram (2 of 5) for Lexus GS 450h 2008

List of elements for 3.5L, Hybrid System Wiring Diagram (2 of 5) for Lexus GS 450h 2008:

• A10
• A11
• A4 (right rear of engine compt)
• Accelerator position sensor (under left side of dash)
• Batt fan fuse 20a
• Batt fan relay
• D13
• Dc/dc fuse 140a
• E1 (left rear of engine)
• E10
• E13
• Engine room r/b 1 (left side of engine compt)
• Ep1
• Ep2
• G13
• Hot at all times
• Hot in on or start
• Igct 2 fuse 7.5a
• Igct 3 fuse 7.5a
• Ign fuse 10a
• J/c a10 & a11 (left side of engine compt)
• J/c a10 (left side of engine compt)
• J/c a50 (left side of engine compt)
• J/c a8 & e10 (left side of engine compt)
• J/c a9 (left side of engine compt)
• Left center j/b (behind left side of dash)
• Nca
• Oil pmp relay
• Red
• Rh-ig fuse 7.5a
• Right center j/b (behind right side of dash)
• Right cowl side j/b (behind right end of dash)
• Stop lamp switch (on brake pedal bracket)
• Stop sw fuse 7.5a
• Transmission control switch
• Vap2
• Vcp1
• Vpa1
• Vpa2

3.5L, Hybrid System Wiring Diagram (3 of 5) for Lexus GS 450h 2008

List of elements for 3.5L, Hybrid System Wiring Diagram (3 of 5) for Lexus GS 450h 2008:

• (left front of engine) compressor motor
• (left rear corner of engine compt) a2
• (rear of engine compt) front motor generator 1
• (right rear corner of engine compt) inverter
• +br1
• +br2
• A54
• A60
• Abfs
• Acpb
• Acpe
• Air conditioning system
• Battery thermometer sensor (left front of luggage compt)
• Bth+
• Bth-
• Cbi
• Cei
• Clk+
• Clk-
• Computer data lines system
• Drn1
• Drn9
• Drnb
• Drnc
• Drnd
• Drne
• E2b
• Ep1
• Ep2
• Gcs
• Gcsg
• Gmt
• Gmtg
• Gnd1
• Gnd2
• Grf
• Grfg
• Gsn
• Gsng
• Hsdn
• Htm+
• Htm-
• Hybrid vehicle control ecu (left side of engine compt)
• Igsw
• Ilk
• Ilki
• Inverter
• Iwp
• Mcs
• Mcsg
• Modd
• Mrf
• Mrfg
• Msn
• Msng
• Mth+
• Mth-
• Nca
• Pmet
• Pnk
• Rdy
• Red
• Req+
• Req-
• Smrg
• Smrp
• Starting/ charging system
• Sti-
• Stp
• Thb
• Vcp1
• Vcp2
• Vlo
• Vpa
• Vpa2

3.5L, Hybrid System Wiring Diagram (4 of 5) for Lexus GS 450h 2008

List of elements for 3.5L, Hybrid System Wiring Diagram (4 of 5) for Lexus GS 450h 2008:

• (rear of engine compt) front motor generator 2
• A32
• Amd
• Battery voltage sensor (center front of luggage compt)
• Bth+
• Bth-
• Busber module 1
• Busber module 2
• Busber module 3
• Cbd
• Ced
• Converter (hybrid vehicle) (center front of luggage compt)
• Current sensor
• Dome fuse 7.5a
• Engine room r/b 1 (left side of engine compt)
• Fuse 15a
• Gb0
• Gb1
• Gb2
• Gb3 z13
• Gbb0
• Gc0
• Gib
• Gnd
• Hot at all times
• Hybrid vehicle battery
• Hybrid vehicle battery (front of luggage compt)
• Idh
• Igct
• Ilk
• Inr
• Inter lock switch (center front of luggage compt)
• J/c a32 & a33 (behind left end a33 of dash)
• J/c n8 (center front of luggage compt)
• J/c v26 & v27 (left front of luggage compt)
• Mcs
• Mcsg
• Mmt
• Mmtg
• Mpx-b fuse 7.5a
• Mrf
• Mrfg
• Msn
• Msng
• Nca
• Nodd
• Pnk
• Red
• Right center j/b (behind right side of dash)
• Service plug
• Smrp
• System main relay (front of luggage compt)
• Tb0
• Tb1
• Tb2
• Tb3
• Tc0
• V2 (left side of luggage compt)
• V26
• V27
• Vb1 z9
• Vb10
• Vb11
• Vb12
• Vb13
• Vb14
• Vb15
• Vb16
• Vb17
• Vb18
• Vb19
• Vb2
• Vb20
• Vb3
• Vb4
• Vb5
• Vb6
• Vb7
• Vb8
• Vb9
• Vib
• Vlo

3.5L, Hybrid System Wiring Diagram (5 of 5) for Lexus GS 450h 2008

List of elements for 3.5L, Hybrid System Wiring Diagram (5 of 5) for Lexus GS 450h 2008:

• (in transmission) electronically controlled transmission solenoid
• (left rear of engine compt) skid control ecu
• (left rear of engine) e1
• (on transmission) park/neutral position switch
• (right rear of engine) thermistor (oil pump)
• +bs
• A13
• A24
• A25
• Air conditioning system
• C15
• Clk
• Combination meter
• Computer data lines system
• D11
• E01
• E02
• E12
• E84
• Eti
• Fctl
• Gauge fuse 7.5a
• Gmt
• Gmtg
• Hot in on or start
• Hybrid vehicle control ecu (left side of engine compt)
• Ind master
• Ind ready
• Ite
• J/c e9 (left side of engine compt)
• J15
• K31
• K4 (behind right kick panel)
• Lcd
• Mmt
• Mmtg
• Multi- information display
• Pb1
• Pb2
• Pb3
• Pnk
• Power meter
• Pwr ind hydrid
• Red
• Right center j/b (behind right side of dash)
• Right cowl side j/b (behind right end of dash)
• Sl1+
• Sl1-
• Sl2+
• Sl2-
• Snow ind hydrid
• Sp1
• Sp2+
• Sp2-
• Speedomter
• Stb
• Tho
• Topm
• Transmission revolution sensor (turbine) (in transmission)