ENGINE PERFORMANCE – Lexus GX 470 2004 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

4.7L

4.7L, Engine Performance Wiring Diagram (1 of 6) for Lexus GX 470 2004

List of elements for 4.7L, Engine Performance Wiring Diagram (1 of 6) for Lexus GX 470 2004:

• (behind right side of dash) (back-up light) diode
• (behind right side of dash) j/c 21
• (dash harn, behind right center of dash)
• (on front of left cyl head) camshaft position sensor
• (on lower front of engine) crankshaft position sensor
• (on right side of transmission) (integral to park/neutral position switch) a/t indicator light switch
• +b2
• A/c system
• A/c, cruise control systems
• Acc fuse 7.5a
• Accelerator pedal position sensor (behind left side of dash)
• Batt
• Body ecu (behind left end of dash)
• Computer data lines system
• Driver side j/b (behind lower left end of dash)
• E03
• Ee (on rear of right cyl head)
• Eg (on rear of left cyl head)
• Els
• Els1
• Eng+
• Eng-
• Engine control module (ecm) (behind right side of dash)
• Eom
• Ep1
• Ep2
• Epa
• Epa2
• F/ps
• G2+
• G2-
• Ge01
• Gnd
• Hot in on and acc
• Hot in on and start
• Ig1 no2 fuse 10a
• Igsw
• Inj 7
• Inj 8
• J/c 15 (behind right side of dash)
• J/c 19 (behind right side of dash)
• J/c 24 (below center console)
• J/c 26 (behind center of dash)
• Lcki
• Me01
• Mrel
• Nca
• Ne+
• Ne-
• Neo
• Pnk
• Ptnk
• Red
• S10
• Sil
• Skid control ecu (above driver side j/b)
• Slu+
• Slu-
• Sp1
• Stsw
• Tach
• Trc+
• Trc-
• Vapor pressure sensor (near left rear fenderwell)
• Vcc
• Vcp1
• Vcp2
• Vpa1
• Vpa2
• Wfse

4.7L, Engine Performance Wiring Diagram (2 of 6) for Lexus GX 470 2004

List of elements for 4.7L, Engine Performance Wiring Diagram (2 of 6) for Lexus GX 470 2004:

• (dash harn, behind left end of dash)
• (dash harn, behind right center of dash)
• Acc cut relay
• Bp (left rear of vehicle, below taillight)
• C/opn relay
• C10
• Driver side j/b (behind lower left end of dash)
• E10
• Eb (on left front inner fender)
• Efi 2 fuse 10a
• Efi fuse 20a
• Efi relay
• Engine room r/b (on left side of engine compt)
• Fuel pump (in fuel tank)
• Fuel pump relay
• Fuel pump resistor (left side of engine compt)
• Heated oxygen sensor (bank 1 sensor 1) (on left exhaust pipe)
• Heated oxygen sensor (bank 1 sensor 2) (on left exhaust pipe, near transmission)
• Heated oxygen sensor (bank 2 sensor 1) (on right exhaust pipe)
• Heated oxygen sensor (bank 2 sensor 2) (on right exhaust pipe near transmission)
• Hot at all times
• J/b 2 (behind center of dash)
• J/c
• J/c 26 (behind center of dash)
• J/c 9 (left end of dash)
• Nca
• Pnk
• Red
• Stop fuse 10a

4.7L, Engine Performance Wiring Diagram (3 of 6) for Lexus GX 470 2004

List of elements for 4.7L, Engine Performance Wiring Diagram (3 of 6) for Lexus GX 470 2004:

• (behind center of dash) j/c 26
• (behind right headlamp) j/c 5
• (dash harn, behind left end of dash) i1
• (dash harn, behind right center of dash)
• (engine harn, at rear of engine)
• (left end of dash) j/c 7
• (left side of engine compt) j/b 3
• (on right side of transmission) park/neutral position switch
• (rear of left cyl head)
• Acc
• Driver side j/b (behind lower left end of dash)
• E23
• E5 (engine harn, at rear of engine) nca
• Engine control module (ecm) (behind right side of dash)
• Hot at all times
• Ht1a
• Ht1b
• Ht2a
• Ht2b
• Ign fuse 10a
• Ignition switch
• Inj 6
• J/c 26 (behind center of dash)
• J/c 9 (left end of dash)
• J11
• Knk1
• Knk2
• Left knock sensor (below left side of intake manifold)
• Lock
• Nca
• Ox1a
• Ox1b
• Ox2a
• Ox2b
• P/n
• Pnk
• Red
• Right knock sensor (below right side of intake manifold)
• Sl1+
• Sl1-
• Sl2+
• Sl2-
• Slt+
• Slt-
• St2 fuse 7.5a
• Star
• Start
• Stoplight switch
• Th01
• Th02

4.7L, Engine Performance Wiring Diagram (4 of 6) for Lexus GX 470 2004

List of elements for 4.7L, Engine Performance Wiring Diagram (4 of 6) for Lexus GX 470 2004:

• (dash harn, behind right center of dash)
• 2nd strt ind
• A/t oil temp ind
• C10
• C11
• C12
• Combination meter
• Cpu
• Driver side j/b (behind lower left end of dash)
• Eg (on rear of left cyl head)
• Electronically controlled transmission solenoid (in transmission)
• Gauge fuse 7.5a
• Hot in on and start
• J/c 19 (right side of dash)
• K11
• Mil ind
• Ot+
• Ot-
• Ot2+
• Ot2-
• Pnk
• Red
• Red/
• Sl2+
• Sl2-
• Slt+
• Slt-
• Slu+
• Slu-
• Speedometer
• Tachometer

4.7L, Engine Performance Wiring Diagram (5 of 6) for Lexus GX 470 2004

List of elements for 4.7L, Engine Performance Wiring Diagram (5 of 6) for Lexus GX 470 2004:

• (dash harn, behind right center of dash)
• (engine
• (on top of engine) noise filter 1
• (right side of engine compt) mass airflow (maf) meter
• (upper left side of engine) noise filter 2
• A19
• Dome fuse 10a
• E2g
• Ed (top right rear of engine)
• Ee (rear of right cyl head)
• Ef (rear of left cyl head)
• Engine coolant temperature sensor (on right front of engine)
• Engine room r/b (left side of engine compt)
• Etcs fuse 10a
• Harn, at rear of engine)
• Harn, near left side of intake manifold)
• Harn, near right rear of engine)
• Hot at all times
• 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
• J/b 3 (left side of engine compt)
• J/c 16 (behind right side of dash)
• J/c 17 (behind right side of dash)
• J/c 18 (behind right side of dash)
• J/c 24 (below center console)
• Pnk
• Red
• Tha
• Vsv (canister closed valve) at rear of vehicle)
• Vsv (evap)

4.7L, Engine Performance Wiring Diagram (6 of 6) for Lexus GX 470 2004

List of elements for 4.7L, Engine Performance Wiring Diagram (6 of 6) for Lexus GX 470 2004:

• (behind center of dash) j/c 10
• (dash harn, behind right center of dash)
• (engine harn, at rear of engine)
• (on rear of right cyl head)
• (on throttle body) throttle control motor & position sensor
• (on transmission) electronically controlled transmission pattern select switch
• +bm
• 2nd strt
• A/c system
• A/cs
• A/t shift indicator
• A18
• Accr
• Acld
• At2
• At4
• Atd
• Atl
• C11
• Ccs
• Ccv
• Combination meter
• Cruise control system
• E01
• E02
• E2g
• Efii
• Efio
• Engine control module (ecm) (behind right side of dash)
• Fpr
• Fuel inj 1
• Fuel inj 2
• Fuel inj 3
• Fuel inj 4
• Fuel inj 5
• Fuel inj 6
• Fuel inj 7
• Fuel inj 8
• Igf1
• Igf2
• Igt1
• Igt2
• Igt3
• Igt5
• Igt6
• Igt7
• Igt8
• Il (behind right side of dash)
• Imi
• Imo
• Inj 1
• Inj 2
• Inj 3
• Inj 4
• Inj 5
• J/b 3 (left side of engine compt)
• J/c
• J/c 18 (behind right side of dash)
• J/c 19 (behind right side of dash)
• J/c 20 (behind right side of dash)
• J/c 23
• Nssd
• Nssl
• Nsw
• Oilw
• Pnk
• Prg
• Red
• Snwi
• Snwo
• Spd
• St1
• Sta
• Stp
• Tha
• The
• Thw
• Thwo
• Transmission control switch
• Transponder key computer (behind upper right side of dash)
• Vta1
• Vta2