ENGINE PERFORMANCE – Lexus GX 470 2009 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

4.7L

4.7L, Engine Performance Wiring Diagram (1 of 7) for Lexus GX 470 2009

List of elements for 4.7L, Engine Performance Wiring Diagram (1 of 7) for Lexus GX 470 2009:

• (behind center of dash) j/c 38
• (behind right side of dash) diode (back-up light)
• (on front of left cylinder head) camshaft position sensor
• (on lower front of engine) crankshaft position sensor
• (on rear of left cylinder head)
• (on rear of right cylinder head)
• (on right side of transmission) park/neutral position switch
• (right side of dash) j/c 21
• +b2
• +bm
• 4wd
• Acc fuse 7.5a
• Accel position sensor (behind left side of dash)
• Accr
• Aidi
• Airp
• Airv
• Batt
• Camshaft timing oil control valve (left) (on front of left cylinder head)
• Camshaft timing oil control valve (right) (on front of right cylinder head)
• Computer data lines system
• Cruise control system
• Driver side j/b (behind lower left end of dash)
• Eb (on left front inner fender)
• Eg (on rear of left cylinder head)
• Engine control module (ecm) (behind right side of dash)
• Ep1
• Ep2
• Epa
• Epa2
• Fpr
• G2+
• G2-
• Hot in on or acc
• Hot in on or start
• Ig1 2 fuse 10a
• Igsw
• Inj 1
• Inj 2
• Inj 3
• Inj 4
• Inj 5
• Inj 6
• J/c (behind center of dash)
• J/c 10 (center of dash)
• J/c 15 (right side of dash)
• J/c 16 (right side of dash)
• J/c 19 (right side of dash)
• J/c 20 (right side of dash)
• J/c 24 (in center console)
• Mpmp
• Mrel
• Nca
• Ne+
• Ne-
• Oc1+
• Oc1-
• Oc2+
• Oc2-
• P/n
• Pnk
• Ppmp
• Red
• St1-
• Sta
• Stp
• Stsw
• Transmissions 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 2009

List of elements for 4.7L, Engine Performance Wiring Diagram (2 of 7) for Lexus GX 470 2009:

• 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
• 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
• 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 26 (center of dash)
• J/c 32 (left rear of vehicle, behind bumper)
• 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 2009

List of elements for 4.7L, Engine Performance Wiring Diagram (3 of 7) for Lexus GX 470 2009:

• (center of dash) j/c 10
• (left side of engine compt) j/c 2 & 3
• (on left front inner fender)
• (on rear of right cylinder head) ee
• A j2
• A j3
• A/f heater fuse 15a
• A/f heater relay
• A/pump fuse 50a
• A43
• A44
• Aip
• Air injection control driver (left side of engine compt)
• Air pressure sensor (on top of engine)
• Air pump (on top of engine)
• Air switching valve (on top of engine)
• Batt
• C11
• Canister pressure sensor
• Canister pump module
• Combination meter
• Eg (on rear of left cylinder head)
• Engine room r/b (on left side of engine compt)
• Hot at all times
• Inj 1
• J/c 38 (behind center of dash)
• J/c 9 (left end of dash)
• Leak detection pump
• Pnk
• Red
• Sip
• Siv
• Stop light switch
• Vent valve

4.7L, Engine Performance Wiring Diagram (4 of 7) for Lexus GX 470 2009

List of elements for 4.7L, Engine Performance Wiring Diagram (4 of 7) for Lexus GX 470 2009:

• (behind right side of dash) j/b 3
• (center of dash) j/c 26
• (on rear of right cyli- nder head) ee
• (right front of engine compartment, behind right headlight assembly) j/c 5
• 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
• Ig2
• Ign fuse 10a
• Ignition switch
• J11
• Knk1
• Knk2
• Knock sensor (bank 1) (on engine, below left side of intake manifold)
• Knock sensor (bank 2) (on engine, below right side of intake manifold)
• Lock
• Me01
• Nca
• Nsw/star
• Nt+
• Nt-
• Off
• Ox2b
• Pnk
• Red
• Run
• Run st2
• Sl1+
• Sl1-
• Sl2+
• Sl2-
• Slt+
• Slt-
• Slu+
• Slu-
• Sp2+
• Sp2-
• St2 fuse 7.5a
• Start
• Starting/ charging system
• Tfn
• Th01
• Th02
• Transmissions system
• Turbine speed sensor (on left side of transmission)
• Vehicle speed sensor (electronically controlled transmission) (on transmission)

4.7L, Engine Performance Wiring Diagram (5 of 7) for Lexus GX 470 2009

List of elements for 4.7L, Engine Performance Wiring Diagram (5 of 7) for Lexus GX 470 2009:

• (on rear of left cylinder head)
• 2nd strt ind
• A/t oil temp ind
• C10
• C11
• C12
• Combination meter
• Driver side j/b (behind lower left end of dash)
• Electronically controlled transmission solenoid (on transmission)
• Gauge fuse 7.5a
• Hot in on or start
• J/b 2 (behind 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 2009

List of elements for 4.7L, Engine Performance Wiring Diagram (6 of 7) for Lexus GX 470 2009:

• (front top of left valve cover) ignition coil & igniter 1
• (front top of left valve cover) ignition coil & igniter 3
• (front top of right valve cover) ignition coil & igniter 2
• (front top of right valve cover) ignition coil & igniter 4
• (on air intake) mass air flow meter
• (on rear of right cylinder head)
• (on top of engine) noise filter 1
• (on upper left side of engine) noise filter 2
• (rear top of left valve cover) ignition coil & igniter 5
• (rear top of left valve cover) ignition coil & igniter 7
• (rear top of right valve cover) ignition coil & igniter 6
• (rear top of right valve cover) ignition coil & igniter 8
• Dome fuse 10a
• E2g
• Ed (on top right rear of engine)
• Ef (on rear of left cylinder head)
• Engine coolant temperature sensor (on right front of engine)
• Engine room r/b (on left side of engine compt)
• Etcs fuse 10a
• Hot at all times
• J/b 1 (behind center of dash)
• J/b 3 (behind right side of dash)
• J/c (behind center of dash)
• J/c 17 (right side of dash)
• J/c 18 (right side of dash)
• J/c 26 (center of dash)
• J/c 38 (behind 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 (purge) (top left rear of engine)

4.7L, Engine Performance Wiring Diagram (7 of 7) for Lexus GX 470 2009

List of elements for 4.7L, Engine Performance Wiring Diagram (7 of 7) for Lexus GX 470 2009:

• (behind center of dash) j/b 2
• (left side of dash) j/c 14
• (on rear of left cylinder head)
• (on rear of right cylinder head)
• (on throttle body) throttle control motor & throttle position sensor
• 2nd strt
• A/t shift indicator
• Ac1
• Acis
• Act
• Aip
• Air conditioning system
• Aiv1
• Aiv2
• At2
• At4
• Atd
• Atl
• Canh
• Canl
• Ccs
• 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 injectors (1, 3: left front of intake manifold) (2, 4: right front of intake manifold) (5, 7: left rear of intake manifold) (6, 8: right rear of intake manifold)
• Ge01
• Ht1b
• Igf1
• Igf2
• Igt1
• Igt2
• Igt3
• Igt4
• Igt5
• Igt6
• Igt7
• Igt8
• Imi
• Imo
• Inj 7
• Inj 8
• Interior lights system
• J/b 1 (behind center of dash)
• J/c 16 (right side of dash)
• J/c 17 (right side of dash)
• J/c 18 (right side of dash)
• J/c 24 (in 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