ENGINE PERFORMANCE – Lexus GX 470 2005 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

4.7L

4.7L, Engine Performance Wiring Diagram (1 of 7) for Lexus GX 470 2005

List of elements for 4.7L, Engine Performance Wiring Diagram (1 of 7) for Lexus GX 470 2005:

• (behind right side of dash) diode (back-up light)
• (behind right side of dash) j/c 21
• (left front inner fender)
• (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
• (rear of left cyl head)
• (rear of right cyl head)
• +b2
• +bm
• 4wd
• Acc fuse 7.5a
• Acc position sensor (behind left side of dash)
• Accr
• Aidi
• Airp
• Airv
• Batt
• Camshaft timing oil control valve (left) (front of left cyl head)
• Camshaft timing oil control valve (right) (front of right cyl head)
• Computer data lines system
• Cruise control system
• Driver side j/b (behind lower left end of dash)
• Eg (on rear of left cyl head)
• Eg (rear of left cyl head)
• Engine control module (ecm) (behind right side of dash)
• Ep1
• Ep2
• Epa
• Epa2
• Fpr
• G2+
• G2-
• Hot in on and acc
• Hot in on and start
• Ig1 no2 fuse 10a
• Igsw
• Inj 1
• Inj 2
• Inj 3
• Inj 4
• Inj 5
• Inj 6
• J/c (center of dash)
• J/c 15 (behind right side of dash)
• J/c 16 (right side of dash)
• J/c 19 (behind right side of dash)
• J/c 20 (right side of dash)
• J/c 24 (below center console)
• J/c 38 (behind center of dash)
• Mpmp
• Mrel
• Nca
• Ne+
• Ne-
• Oc1+
• Oc1-
• Oc2+
• Oc2-
• Pnk
• Ppmp
• Red
• St1-
• Sta
• Stp
• Stsw
• Transmission system
• Vcp1
• Vcp2
• Vcpa
• Vpa
• Vpa1
• Vpa2
• Vpmp
• Vv1+
• Vv1-
• Vv2+
• Vv2-
• Vvt sensor (left) (top left side of engine)
• Vvt sensor (right) (top right side of engine)

4.7L, Engine Performance Wiring Diagram (2 of 7) for Lexus GX 470 2005

List of elements for 4.7L, Engine Performance Wiring Diagram (2 of 7) for Lexus GX 470 2005:

• (dash harn, behind left end of dash)
• (dash harn, right center of dash)
• Acc cut relay
• Air fuel ratio sensor (bank 1 sensor 1) (on left exhaust pipe)
• Air fuel ratio sensor (bank 2 sensor 1) (on right exhaust pipe)
• B10
• Bp (left rear of vehicle, below taillight)
• C/opn relay
• D10
• Driver side j/b (behind lower left end of dash)
• 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 2) (on left exhaust pipe, near transmission)
• 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 7) for Lexus GX 470 2005

List of elements for 4.7L, Engine Performance Wiring Diagram (3 of 7) for Lexus GX 470 2005:

• (behind center of dash) j/c 10
• (dash harn, behind right center of dash)
• (left front inner fender)
• (left side of engine compt) j/c 2, j/c 3
• (rear of right cyl head) ee
• A j2
• A j3
• A/f heater fuse 15a
• A/f relay
• A/pump fuse 50a
• A43
• A44
• Aip
• Air injection control driver (left side of eng compt)
• Air pressure sensor (top of engine)
• Air pump (top of engine)
• Air switching valve (top of eng)
• Batt
• Canister closed valve
• Eg (rear of left cyl head)
• Engine room r/b (on left side of engine compt)
• Es (near starter)
• Hot at all times
• J/c 38 (center of dash)
• J/c 9 (left end of dash)
• Leak detection pump assembly (rear of vehicle)
• Pnk
• Pressure sensor
• Red
• Sip
• Siv
• Stoplight switch

4.7L, Engine Performance Wiring Diagram (4 of 7) for Lexus GX 470 2005

List of elements for 4.7L, Engine Performance Wiring Diagram (4 of 7) for Lexus GX 470 2005:

• (behind center of dash) j/c 26
• (behind right headlamp) j/c 5
• (dash harn, behind left end of dash) i1
• (on right side of transmission) park/neutral position switch
• (rear of right cyl head)
• (right side of dash) j/b 3
• A1a+
• A1a-
• A2a+
• A2a-
• Acc
• Driver side j/b (behind lower left end of dash)
• E03
• E04
• E05
• E23
• Ekn2
• Eknk
• Engine control module (ecm) (behind right side of dash)
• Ha1a
• Ha2a
• Hot at all times
• Ht2b
• Ign fuse 10a
• Ignition switch
• J11
• Knk1
• Knk2
• Knock sensor (bank 1) (below left side of intake manifold)
• Knock sensor (bank 2) (below right side of intake manifold)
• Lock
• M301
• Nca
• Nca i7
• Nsw/star
• Nt+
• Nt-
• Ox2b
• P/ n
• Pnk
• Red
• Sl1+
• Sl1-
• Sl2+
• Sl2-
• Slt+
• Slt-
• Slu+
• Slu-
• Sp2+
• Sp2-
• St2 fuse 7.5a
• Start
• Starting circuit
• Tfn
• Th01
• Th02
• Trans- mission system
• Turbine speed sensor (left side of trans)
• Vehicle speed sensor (electronically controlled transmission) (on trans)

4.7L, Engine Performance Wiring Diagram (5 of 7) for Lexus GX 470 2005

List of elements for 4.7L, Engine Performance Wiring Diagram (5 of 7) for Lexus GX 470 2005:

• (on rear of left cyl head)
• 2nd strt ind
• A/t oil temp ind
• C10
• C11
• C12
• Combination meter
• Cpu
• Driver side j/b (behind lower left end of dash)
• Electronically controlled transmission solenoid (in transmission)
• Gauge fuse 7.5a
• Hot in on and start
• I7 (dash harn, right center of dash)
• J/c 19 (right side of dash)
• K11
• Mil ind
• Ot+
• Ot-
• Ot2+
• Ot2-
• Pnk
• Red
• Sl1+
• Sl1-
• Sl2+
• Sl2-
• Slt+
• Slt-
• Slu+
• Slu-
• Speedometer
• Tachometer

4.7L, Engine Performance Wiring Diagram (6 of 7) for Lexus GX 470 2005

List of elements for 4.7L, Engine Performance Wiring Diagram (6 of 7) for Lexus GX 470 2005:

• (dash harn, right center of dash)
• (engine
• (on top of engine) noise filter 1
• (right side of engine compt) mass air flow meter
• (top right rear of engine)
• (upper left side of engine) noise filter 2
• Dome fuse 10a
• E2g
• E5 (engine harn, 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 harn, right rear of eng)
• Engine room r/b (left side of engine compt)
• Etcs fuse 10a
• Harn, near left side of intake manifold)
• 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 1 (center of dash)
• J/b 3 (right side of dash)
• J/c (behind center of dash)
• J/c 17 (behind right side of dash)
• J/c 18 (behind right side of dash)
• J/c 26 (center of dash)
• J/c 38 (center of dash)
• Pnk
• Red
• Tha
• Vsv (acis)
• Vsv (air switching valve bank 1) (right side of engine)
• Vsv (air switching valve bank 2) (right side of engine)
• Vsv (evap)

4.7L, Engine Performance Wiring Diagram (7 of 7) for Lexus GX 470 2005

List of elements for 4.7L, Engine Performance Wiring Diagram (7 of 7) for Lexus GX 470 2005:

• (behind center of dash) j/c 10
• (center of dash) j/b 2
• (dash harn, right center of dash)
• (left center of dash)
• (on throttle body) throttle control motor & throttle position sensor
• (rear of left cyl head)
• (rear of right cyl head)
• 2nd strt
• A/c system
• A/t shift indicator
• Ac1
• Acis
• Act
• Aip
• Aiv1
• Aiv2
• At2
• At4
• Atd
• Atl
• C11
• Canh
• Canl
• Ccs
• Combination meter
• Computer data lines system
• Cruise control system
• Defogger system
• E01
• E02
• E2g
• Efii
• Efio
• Electronically controlled transmission pattern select switch
• Els
• Els2
• Engine control module (ecm) (behind right side of dash)
• Eom
• F/ps
• Fuel inj 1
• Fuel inj 2
• Fuel inj 3
• Fuel inj 4
• Fuel inj 5
• Fuel inj 6
• Fuel inj 7
• Fuel inj 8
• Ge01
• Ht1b
• Igf1
• Igf2
• Igt1
• Igt2
• Igt3
• Igt4
• Igt5
• Igt6
• Igt7
• Igt8
• Imi
• Imo
• Inj 7
• Inj 8
• Interior lights system
• J/b 1 (center of dash)
• J/c
• 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)
• Nca
• Nssd
• Nssl
• Oilw
• Ox1b
• Pnk
• Prg
• Red
• Snwi
• Snwo
• Spd
• Tach
• Tha
• Thw
• Thwo
• Transmission control switch
• Transponder key computer (behind upper right side of dash)
• Vta1
• Vta2