ENGINE PERFORMANCE – Lexus GS 430 2005 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

4.3L

4.3L, Engine Performance Wiring Diagram (1 of 6) for Lexus GS 430 2005

List of elements for 4.3L, Engine Performance Wiring Diagram (1 of 6) for Lexus GS 430 2005:

• (in steering column) transponder key amplifier
• (middle of left inner fender panel)
• (right side of dash)
• +b1
• +bm
• A/c system
• Abs & trac & vsc ecu (behind left side of dash)
• Accelerator pedal position sensor (behind left side of dash)
• Acmg
• Anti-theft system (security indicator)
• Anti-theft system (unlock warning switch)
• Batt
• Braided
• C12
• C13
• Ccs
• Code
• Combination meter
• Computer data lines system
• Cpu
• Cruise control system
• Data link connector 3 (below left side of dash)
• Ect pwr
• Ect snow
• Eng+
• Eng-
• Engine control module (ecm) (at left side of engine compt, in ecu box)
• Eom
• Ep1
• Ep2
• Epa
• Eptk
• Etam
• Fpc
• Htl2
• Htr2
• Igsw
• Imld
• J/c 27 (behind left kick panel)
• J/c 9 (behind left side of dash)
• Ksw
• Mil ind
• Mpx1
• Mpx2
• Mrel
• Neo
• Oxl2
• Oxr2
• Pnk
• Pre
• Ptnk
• Red
• Rxck
• Sil
• St-
• Sta
• Stp
• Tach
• Tachometer
• Tam
• Tbp
• Trc+
• Trc-
• Txct
• Vapor pressure sensor (under left rear of vehicle)
• Vcc
• Vcp1
• Vcp2
• Vcpa
• Vpa
• Vpa1
• Vpa2
• Vptk
• Wfse
• Wsfe

4.3L, Engine Performance Wiring Diagram (2 of 6) for Lexus GS 430 2005

List of elements for 4.3L, Engine Performance Wiring Diagram (2 of 6) for Lexus GS 430 2005:

• (behind left kick panel) j/c 7
• (behind upper right side of dash) j/c 17
• B3 (body harn, in front of left rear wheelwell)
• Braided
• Data link connector 1 (behind ecu box)
• Driver side j/b (behind left kick panel)
• Ee (under abs & trac & vsc actuator)
• Efi fuse 25a
• Efi relay
• Engine room r/b 1 (on right side of engine compt, behind strut tower)
• Etcs fuse 15a
• Fp+
• Fp-
• Fpc
• Fuel pump & sender (in fuel tank)
• Fuel pump control ecu (at left side of luggage compt)
• Gauge fuse 10a
• Hot at all times
• Hot in on or start
• J/c 11 (behind left side of dash)
• J/c 14 (behind left side of dash)
• J/c 20 (above left rear wheelwell)
• J/c 3, j/c 4 (in ecu box)
• Red
• Stop fuse 15a
• Stoplight switch
• Vsv (vapor pressure sensor) (under left rear of vehicle)

4.3L, Engine Performance Wiring Diagram (3 of 6) for Lexus GS 430 2005

List of elements for 4.3L, Engine Performance Wiring Diagram (3 of 6) for Lexus GS 430 2005:

• (behind left side of dash) j/c 15
• (engine harn, in ecu box)
• (generator) charging system
• (in ecu box) j/c 3, j/c 4
• (on transmission) park/neutral position switch
• Acc
• Braided
• Driver side j/b (behind left kick panel)
• Eknl
• Engine control module (ecm) (at left side of engine compt, in ecu box)
• Eoil
• Eol1
• F10
• Hot at all times
• Htl
• Ign fuse 5a
• Ignition switch
• Knkl
• Knkr
• Knock sensor 1 (on top center of engine)
• Knock sensor 2 (on top center of engine)
• Lock
• Mol
• Nco+
• Nco-
• O/d direct clutch speed sensor (on transmission)
• Oil
• Oxl1
• P/n
• Pnk
• Red
• Sln+
• Sln-
• Slt+
• Slt-
• Slu+
• Slu-
• Sp2+
• Sp2-
• Start
• Starter fuse 5a
• Starting system (starter relay)
• Vehicle speed sensor (on transmission)

4.3L, Engine Performance Wiring Diagram (4 of 6) for Lexus GS 430 2005

List of elements for 4.3L, Engine Performance Wiring Diagram (4 of 6) for Lexus GS 430 2005:

• (behind left side of dash) j/c 9
• (in ecu box) j/c 3, j/c 4
• (on right front of engine) engine oil level sensor
• (on transmission) a/t indicator light switch (integral to park/neutral position switch)
• (under center console, near selector lever) shift lock control ecu
• At4
• Atl
• Braided
• Ec (on right cylinder head)
• Ed (on left cylinder head)
• Electronically controlled transmission solenoid (in transmission)
• J/c 26 (in ecu box)
• J/c 3, j/c 4 (in ecu box)
• J/c 9 (behind left side of dash)
• Level
• Nssd
• Nssl
• Pnk
• Red
• Sln+
• Sln-
• Slt+
• Slt-
• Slu+
• Slu-
• Temp

4.3L, Engine Performance Wiring Diagram (5 of 6) for Lexus GS 430 2005

List of elements for 4.3L, Engine Performance Wiring Diagram (5 of 6) for Lexus GS 430 2005:

• (engine harn, e1
• (engine harn, left rear top of engine)
• (in ecu box) j/c 25
• (in passenger side j/b) body ecu 1
• (on top right side of engine) noise filter (ignition 1)
• Braided
• E2g
• Ed (on left cylinder head)
• Electronically controlled transmission pattern select switch
• Engine coolant temperature sensor (on top right side of engine)
• Fuel inj 1
• Fuel inj 2
• Fuel inj 3
• Fuel inj 4
• Fuel inj 5
• Fuel inj 6
• Fuel inj 7
• Fuel inj 8
• Heated oxygen sensor (bank 1 sensor 1) (on left side of engine, in exhaust manifold)
• Heated oxygen sensor (bank 1 sensor 2) (on exhaust system, near catalytic conv)
• Heated oxygen sensor (bank 2 sensor 1) (on right side of engine, in exhaust manifold)
• Heated oxygen sensor (bank 2 sensor 2) (on exhaust system, near catalytic conv)
• Ii (right side of dash)
• Mass airflow (maf) meter (on right side of engine compt, in air intake duct)
• Mpx1
• Pnk
• Pwr
• Red
• Right top of engine)
• Snow
• Tha
• Vsv (acis) (on top right rear of engine)
• Vsv (canister closed valve) (on right side of engine)
• Vsv (evap) (on top rear of engine)

4.3L, Engine Performance Wiring Diagram (6 of 6) for Lexus GS 430 2005

List of elements for 4.3L, Engine Performance Wiring Diagram (6 of 6) for Lexus GS 430 2005:

• (at top left rear of engine) noise filter (ignition 2)
• (engine harn, top left side of engine)
• (engine harn, top rear of engine)
• (in ecu box) j/c 25
• A/c system
• Acis
• Braided
• Camshaft position sensor (on left front of engine)
• Ccv
• Crankshaft position sensor (on left front of engine)
• E01
• E02
• E03
• Ec (on right cylinder head)
• Ed (on left cylinder head)
• Eg2
• Ene
• Engine control module (ecm) (at left side of engine compt, in ecu box)
• Eor1
• Eta
• Etha
• Ethw
• Evg
• Evvl
• Evvr
• G2-
• Ge01
• Htr
• If1l
• If1r
• If2l
• If2r
• Ignition coil & igniter 1
• Ignition coil & igniter 2
• Ignition coil & igniter 3
• Ignition coil & igniter 4
• Ignition coil & igniter 5
• Ignition coil & igniter 6
• Ignition coil & igniter 7
• Ignition coil & igniter 8
• Igt1
• Igt2
• Igt3
• Igt4
• Igt5
• Igt6
• Igt7
• Igt8
• Lcki
• Left camshaft timing oil control valve (on top left side of engine)
• Left vvt sensor (on top left side of engine)
• Me01
• Mops
• Ne+
• Ne-
• Ocr+
• Ocr-
• Ocv+
• Ocv-
• Oil pressure switch (on left front side of engine)
• Oxr1
• Pnk
• Prg
• Red
• Right camshaft timing oil control valve (on top right side of engine)
• Right vvt sensor (on top right side of engine)
• Tha
• Throttle control motor (on throttle body)
• Throttle position sensor (on throttle body)
• Thw
• Vta
• Vta2
• Vvl+
• Vvl-
• Vvr+
• Vvr-