Diagram sections — 30 (93 total)
AIR CONDITIONING ANTI-LOCK BRAKES ANTI-THEFT BODY CONTROL MODULES COMPUTER DATA LINES CRUISE CONTROL DEFOGGERS ELECTRONIC SUSPENSION ENGINE PERFORMANCE EXTERIOR LIGHTS GROUND DISTRIBUTION HEADLIGHTS HORN INSTRUMENT CLUSTER INTERIOR LIGHTS MEMORY SYSTEMS NAVIGATION PASSIVE RESTRAINTS POWER DISTRIBUTION POWER MIRRORS POWER SEATS POWER TOP/SUNROOF POWER WINDOWS RADIO SHIFT INTERLOCK STARTING/CHARGING SUPPLEMENTAL RESTRAINTS TRANSMISSION WARNING SYSTEMS WIPER/WASHER
AIR CONDITIONING Front A/C Wiring Diagram, with Navigation (1 of 4) for Lexus GX 470 2003 List of elements for Front A/C Wiring Diagram, with Navigation (1 of 4) for Lexus GX 470 2003: 72 (behind center of dash) (behind right side of dash) j/b 3 A/c ecu (behind right side of dash) A13 A14 A15 Acan Acld Acs Aif Air Amcd Amcp Amhd Amhp Blc Body computer system Def Defogger system Eb (on left front inner fender) Ecu-b fuse 10a Engine room r/b (on left side of engine compartment) Face Frhr Front blower motor (behind lower right side of dash, on hvac assembly) Frte Gnd Heater 2 fuse 7.5a Heater control switch Heater fuse 50a Heater relay Hot at all times I6 (behind center of dash) Il (behind right side of dash) Ill+ Ill- Interior lights system J/b 1 (behind center of dash) Junction connector 2 & 3 (on left front inner fender) Junction connector 23 (behind right kick panel) L-auto L-dedf L-fdef L-frs L-rdef L-rec Mpx+ Mpx- Pnk Psw Red Rrdef S-auto S-fdef S-off S-r/f S-rdef S-tempd+ S-tempd- S-tempp+ S-tempp- Spd Tamin The Tpd Tpi Tpm Tpp Tsd Tsp Twi Ver 1 Front A/C Wiring Diagram, with Navigation (2 of 4) for Lexus GX 470 2003 List of elements for Front A/C Wiring Diagram, with Navigation (2 of 4) for Lexus GX 470 2003: 35 (on right front A/c ambient temperature sensor (behind center of front grille) A/c solar sensor (on upper left side of dash) Accessory meter Blower motor linear controller (behind lower right center of dash) Compartment) Data Driver side j/b (behind lower left end of dash) Gateway ecu (behind center of dash) Gnd Gtx+ Gtx- Hot in on Ig1 fuse 10a Ig1 fuse 2 10a Il (behind right side of dash) Junction connector 1 (behind center of dash) Junction connector 19 (behind right side of dash) Junction connector 23 (behind right kick panel) Junction connector 9 (behind left end of dash) Mpd1 Mpd2 Multi-display Of engine Of engine compt) Or start Pnk Pressure Red Switch Th+ Tsl Tsr Tx3+ Tx3- Front A/C Wiring Diagram, with Navigation (3 of 4) for Lexus GX 470 2003 List of elements for Front A/C Wiring Diagram, with Navigation (3 of 4) for Lexus GX 470 2003: 17 (behind center of dash) junction connector 2 A/c room temperature sensor (behind lower left center of dash) A/c thermistor (behind right center of dash) Air inlet control servo motor (behind upper right of dash, on hvac assembly) Air vent mode control servo motor (behind right side of dash, on hvac assembly) Def Face Gnd I6 (behind center of dash) Left air mix control servo motor (behind left center of dash, on hvac assembly) Max cool Max hot Mfrs Mrec Pnk Right air mix control servo motor (behind right side of dash, on hvac assembly) Tpi Front A/C Wiring Diagram, with Navigation (4 of 4) for Lexus GX 470 2003 List of elements for Front A/C Wiring Diagram, with Navigation (4 of 4) for Lexus GX 470 2003: 39 (behind right end of dash) (behind right side of dash) junction connector 10 (on rear of left cylinder head) (on right front (on right front inner fender) A/c condenser fan motor A/c lock sensor & magnetic clutch (on a/c compressor assembly) A/cs Acld Acmg All times C11 Cds fan relay Cds fuse 20a Combination meter Dome fuse 10a Driver side j/b (behind lower left end of dash) E1 (near right front of eng compt) Eg (on rear of left cyl head) Engine control module Engine room r/b (on left side of engine compartment) Gauge fuse 7.5a Hot at Hot in J/b 1 (behind center side of dash) J/b 3 (behind right side of dash) Junction connector 20 (behind right side of dash, near firewall grommet) K11 Lck1 Mg clt relay Noise filter (condenser fan) Of engine compt) On or start Pressure Red Speedo meter Switch The Thwd Front A/C Wiring Diagram, without Navigation (1 of 4) for Lexus GX 470 2003 List of elements for Front A/C Wiring Diagram, without Navigation (1 of 4) for Lexus GX 470 2003: 52 (behind center of dash) (behind right side of dash) j/b 3 A/c control assembly (behind right side of dash) A13 A14 A15 Acld Acs Aif Air Amcd Amcp Amhd Amhp Blc Def Defogger system Eb (on left front inner fender) Ecu-b fuse 10a Engine room r/b (on left side of engine compartment) Face Frhr Front blower motor (behind lower right side of dash, on hvac assembly) Frte Gnd Heater 2 fuse 7.5a Heater fuse 50a Heater relay Hot at all times I6 (behind center of dash) Il (behind right side of dash) J/b 1 (behind center of dash) Junction connector 2 & 3 (on left front inner fender) Junction connector 23 (behind right kick panel) Mayday ecu (on left side of cargo area) Mpx- Pnk Psw Red Rrdef Spd Tamin Tel in The Tpd Tpi Tpm Tpp Tsd Tsp Twi Ver 1 Front A/C Wiring Diagram, without Navigation (2 of 4) for Lexus GX 470 2003 List of elements for Front A/C Wiring Diagram, without Navigation (2 of 4) for Lexus GX 470 2003: 27 (on right front A/c ambient temperature sensor (behind center of front grille) A/c solar sensor (on upper left side of dash) Accessory meter Blower motor linear controller (behind lower right center of dash) Compartment) Data Driver side j/b (behind lower left end of dash) Gnd Hot in on Ig1 fuse 10a Ig1 fuse 2 10a Il (behind right side of dash) Junction connector 1 (behind center of dash) Junction connector 19 (behind right side of dash) Junction connector 23 (behind right kick panel) Junction connector 9 (behind left end of dash) Of engine Of engine compt) Or start Pnk Pressure Red Switch Th+ Tsl Tsr Front A/C Wiring Diagram, without Navigation (3 of 4) for Lexus GX 470 2003 List of elements for Front A/C Wiring Diagram, without Navigation (3 of 4) for Lexus GX 470 2003: 17 (behind center of dash) junction connector 2 A/c room temperature sensor (behind lower left center of dash) A/c thermistor (behind right center of dash) Air inlet control servo motor (behind upper right of dash, on hvac assembly) Air vent mode control servo motor (behind right side of dash, on hvac assembly) Def Face Gnd I6 (behind center of dash) Left air mix control servo motor (behind left center of dash, on hvac assembly) Max cool Max hot Mfrs Mrec Pnk Right air mix control servo motor (behind right side of dash, on hvac assembly) Tpi Front A/C Wiring Diagram, without Navigation (4 of 4) for Lexus GX 470 2003 List of elements for Front A/C Wiring Diagram, without Navigation (4 of 4) for Lexus GX 470 2003: 39 (behind right end of dash) (behind right side of dash) junction connector 10 (on rear of left cylinder head) (on right front (on right front inner fender) A/c condenser fan motor A/c lock sensor & magnetic clutch (on a/c compressor assembly) A/cs Acld Acmg All times C11 Cds fan relay Cds fuse 20a Combination meter Dome fuse 10a Driver side j/b (behind lower left end of dash) E1 (near right front of eng compt) Eg (on rear of left cyl head) Engine control module Engine room r/b (on left side of engine compartment) Gauge fuse 7.5a Hot at Hot in J/b 1 (behind center side of dash) J/b 3 (behind right side of dash) Junction connector 20 (behind right side of dash, near firewall grommet) K11 Lck1 Mg clt relay Noise filter (condeser fan) Of engine compt) On or start Pressure Red Speedo meter Switch The Thwd Rear A/C Wiring Diagram for Lexus GX 470 2003 List of elements for Rear A/C Wiring Diagram for Lexus GX 470 2003: 37 (behind right side of dash) j/b 3 (near right front of eng compt) i6 (near right rear of luggage compartment) b9 A/c ecu (w/lexus navigation system) a/c control assembly (w/o lexus navigation system) (behind right side of dash) A13 A14 A15 B9 (near right rear of luggage compartment) Br (at right rear of vehicle, below taillight) Driver side j/b (behind lower left end of dash) Ecu-b fuse 10a Engine room r/b (on left side of engine compartment) Gnd Hot at all times Hot in on I6 (near right front of eng compt) Ig+ Ig1 fuse 2 10a Il (behind right side of dash) J/b 1 (behind center of dash) Junction connector 23 (behind right kick panel) Junction connector 25 (below front of center console) Mpx+ Mpx- Or start Rear cooler magnetic valve (at right rear of vehicle) Rear cooler power transistor (at right "d" pillar) Rear cooler relay (at base of right "d" pillar) Rear cooler switch Rear cooler thermister (at right "d" pillar) Rr a/c fuse 30a Rrblw Rrhr Rrmgv Rrte Rrvm Ver 1
ANTI-LOCK BRAKES Anti-lock Brakes Wiring Diagram (1 of 3) for Lexus GX 470 2003 List of elements for Anti-lock Brakes Wiring Diagram (1 of 3) for Lexus GX 470 2003: 67 (behind upper left end of dash) junction connector 9 (in dash harness, behind left side of dash) (in eng harn, at left side of engine compartment) (on right front inner fender) ea +b1 +bo Abs & ba & trac & vsc actuator (at left of engine compt, beside brake master cylinder) Abs mtr fuse 40a Abs mtr relay Abs sol fuse 50a Abs sol relay Ast Dac relay Driver side j/b (behind lower left end of dash) E24 Eb (on left front inner fender) Ecu-b fuse 10a Engine room r/b (on left side of engine compartment) Fl+ Fl- Fr+ Fr- Fss Gnd Gnd1 Gnd2 Hdcw Hot at all times Ig2 J12 Junction connector 22 (behind right side of dash) Junction connector junction connector (near battery) Master cylinder pressure sensor (on master cylinder reservoir) Mr1 Mr2 Mss Mt+ Mt- Mtt Nca Pmc Pnk R1+ R2+ Red S11 Sa1 Sa2 Sa3 Sflh Sflr Sfrh Sfrr Skid control ecu (behind left end of dash, above driver side j/b) Srlh Srlr Srrh Srrr Stop fuse 10a Stoplight switch (behind left side of dash, above brake pedal) Stp2 Stpo Str Trc mtr relay Trig Vcm Vout Anti-lock Brakes Wiring Diagram (2 of 3) for Lexus GX 470 2003 List of elements for Anti-lock Brakes Wiring Diagram (2 of 3) for Lexus GX 470 2003: 46 (behind center of dash) junction connector 14 (behind left end of dash) junction connector 8 (in dash harness, behind left side of dash) Abs ind Bat Brake ind C10 C11 C21 Center differential lock ecu (behind right side of dash) Combination meter Dac ind Detection switch (transfer l4 position) (on trans housing) Downhill assist control switch Driver side j/b (behind lower left end of dash) E23 Ee (on rear of right cylinder head) Eg (on rear of left cylinder head) Ess Gauge fuse 7.5a Hot in on or start I10 Ig1 Ign fuse 10a Ij (behind left center of dash) Ind J/b 2 (behind center of dash) Junction connector 16 (behind right side of dash) Junction connector 20 (behind right side of dash) Junction connector 5 (at right front corner of engine compartment) Junction connector 7 (behind left end of dash) Left front abs speed sensor (on left front spindle/hub assembly) Nca Pnk Rear abs speed sensor (on rear axle, at differential) Red Right front abs speed sensor (on right front spindle/hub assembly) Slip ind Speedometer Ss1+ Ss1- Steering sensor (in steering column) Transfer actuator (on transmission) Trig Vsc off ind Vsc trac ind Anti-lock Brakes Wiring Diagram (3 of 3) for Lexus GX 470 2003 List of elements for Anti-lock Brakes Wiring Diagram (3 of 3) for Lexus GX 470 2003: 74 (in dash harness, behind left end of dash) A15 Acc cut relay Acc fuse 7.5a Ahco Brl D/g Data link connector 3 (below left side of dash) Diode (back-up light) (behind right side of dash) Dome fuse 10a Driver side j/b (behind lower left end of dash) E12 Ecu-ig fuse 10a Eng+ Eng- Engine control module (behind right end of dash) Engine room r/b (on left side of engine compartment) Ex1 Exi4 Flo Fro Gl1 Gl2 Gnd3 Gnd4 Gyaw Hard Hdcs Hot at all times Hot in on or accy Hot in on or start Ig1 Ig1 fuse 2 10a Ind J/b 1 (behind center of dash) J18 J20 J28 Junction conn 13 (at left kick panel) Junction connector (at left kick panel) Junction connector 1 (on left side of engine compt, near battery) Junction connector 19 (behind right end of dash) Junction connector 20 (behind right side of dash) Junction connector 24 (at front of center console) Nca Neo Park/ neutral position switch Parking brake switch (at base of brake lever assembly) Pkb Pnk Red Rl+ Rl- Rr+ Rr- Rss S10 S20 Sil Skid control ecu (behind left end of dash, above driver side j/b) Sp1 Ss1+ Ss1- Stp Suspension control ecu (behind left end of dash, near base of ``a" pillar) Trc+ Trc- Vsc warning buzzer (behind right end of dash) Vscw Vys Yaw Yaw rate sensor (below front of center console) Yaw2 Yss
ANTI-THEFT Power Door Locks Wiring Diagram (1 of 2) for Lexus GX 470 2003 List of elements for Power Door Locks Wiring Diagram (1 of 2) for Lexus GX 470 2003: 84 (behind right side of dash) A11 A12 A13 A14 A16 A18 Acc Acc fuse 7.5a Act+ Act- Actd Back door courtesy switch Bcty Bdr1 Becu Body ecu Bp (at left rear of vehicle, below taillight) C10 C11 Combination meter Computer data lines system Dcty Dcy2 Dome fuse 10a Door control receiver (on left "d" pillar, behind trim) Dr/lck fuse 25a Driver side j/b (behind lower left end of dash) Ecu-b fuse 10a Ecu-ig fuse 10a Eg (on left of rear cylinder head) Engine room r/b (on left side of engine compartment) Exterior lights system Gnd1 Gnd2 Guage fuse 7.5a Haz Headlights system Hot at all times Hot in on or acc Hot in on or start Hrly Ih (behind left end of dash) Il (behind right side of dash) Ile Interior lights system J/b 1 (behind center of dash) J/c 16 J14 J28 Junction connector Junction connector 11 K15 K16 Ksw Kswo L10 L11 L12 L16 L18 L22 L23 L24 Left front door courtesy switch Left rear door courtesy switch Lsr Lswp Mpx1 Mpx3 Pcty Prg Rda Red Right door lock control switch Right front door courtesy switch Right rear door courtesy switch Rlcy Rrcy Security Sig Trly Ul1 Ul2 Power Door Locks Wiring Diagram (2 of 2) for Lexus GX 470 2003 List of elements for Power Door Locks Wiring Diagram (2 of 2) for Lexus GX 470 2003: 46 (on left front inner fender) eb +b1 +b2 A16 Back door lock motor, door unlock detection switch & door key lock & unlock switch Bdr1 Bq (at center rear of hatch) Computer data lines system Cpub D fr p/w fuse 20a Driver side j/b (behind lower left end of dash) Dswh Ecu-b2 fuse 10a Engine hood courtesy switch (near hood latch) Engine room r/b (on left side of engine compt) Horn Horn fuse 10a Horn relay Horns system Hot at all times Ih (behind left end of dash) Ind J/b 2 (behind center of dash) J/c 13 (below left side of dash) Junction connector Junction connector 11 (below left side of dash) Junction connector 13 (below left side of dash) Junction connector 14 (behind left side of dash) Junction connector 23 (below right side of dash) Ksw Kul Left front door lock motor, door unlock detection switch & door key lock & unlock switch Left rear door lock motor & door unlock detectoin switch Lssr Lswd Mpx1 Mpx2 Pnk Power window master switch Right front door lock motor, door unlock detection switch & door key lock & unlock switch Right rear door lock motor & door unlock detectoin switch Sh- Sig Theft deterrent ecu (behind left side of dash) Theft deterrent horn Unlock warning switch
BODY CONTROL MODULES Body Control Modules Wiring Diagram (1 of 2) for Lexus GX 470 2003 List of elements for Body Control Modules Wiring Diagram (1 of 2) for Lexus GX 470 2003: 87 Acc Acc fuse 7.5a Actd Acty Antilock brakes system Bcty Bdr1 Becu Body ecu Cspt Dbkl Dcty Dcyl Def Defog fuse 30a Door locks system Dr/lck fuse 25a Driver side j/b (behind lower left end of dash) Drl Ecu-b fuse 10a Ecu-ig fuse 10a Electronic suspension system Els1 Engine controls system Engine room r/b (on left side of engine compartment) Exterior lights system F11 Gnd Hot at all times Hot in acc or on Hot in on or start Hot with def0gger on Idl Ilew Interior lights system J/b fuse 50a J/c 15 (behind right side of dash) J/c 20 (behind right side of dash) J/c 31 (left rear of cargo area) J/c 32 (left rear of cargo area) J21 J28 Lcyl Lmry Lspt Lswp Memory systems Mpx+ Mpx1 Mpx2 Mpx4 Mpx5 Mpx6 Panel fuse 10a Parking brake switch Pcty Pcyl Pkb Pnk Power tops system Power windows system Prg Rbd1 Rcyl Rda Rdb2 Red Rlcy Rr wip fuse 15a Rrcy Rspt Rwlm Rwsm S27 S28 Sig Starting/charging system Sub body ecu (below left "d" pillar, behind trim) Tail relay Trly Ul2 Warning system Warnings system Wiper/washer system Wrin Wrlo Wrsw Body Control Modules Wiring Diagram (2 of 2) for Lexus GX 470 2003 List of elements for Body Control Modules Wiring Diagram (2 of 2) for Lexus GX 470 2003: 65 A10 A11 A12 A13 A14 A16 A18 Acan Act+ Act- Anti-theft system B10 Body ecu Bzr Bzr2 C11 C19 Cltb Clte Clts Combination meter Computer data lines Dcy2 Door locks system Driver side j/b (behind lower left end of dash) Drlp Exterior lights system Gnd1 Gnd2 Haz Head Headlights system Hrly Ile Instrument cluster system Interior lights system J/c 11 (below left side of dash) J/c 30 (left rear of cargo area) J/c no.1 (left side of engine J14 K11 K15 K16 Ksw Kswo L10 L11 L12 L16 L18 L22 L23 L24 Lsr Mpx3 Navigation system Obd2 Power tops system Power window system Pws Red Tail Ul1 Warnings system Wiper/washer system
COMPUTER DATA LINES Computer Data Lines Wiring Diagram for Lexus GX 470 2003 List of elements for Computer Data Lines Wiring Diagram for Lexus GX 470 2003: 48 A15 A16 A17 A28 Airbag sensor assembly (below center of dash) Bat Body ecu (behind left end of dash) C11 Combination meter Data link connector 3 (below left side of dash) Eg (on rear of left cylinder head) Engine control module (behind right side of dash) Engine room j/b (on left inner fender panel) Hot at all times J/b 3 (behind right side of dash) J/b no. 1 (behind center of dash) Junction connector 11 (behind left end of dash) Junction connector 13 (left kick panel) Junction connector 36 & 37 (under driver's seat) Left rear power window control switch Mayday ecu (left side of cargo area) Mpx+ Mpx- Mpx1 Mpx2 Mpx3 Mpx4 Mpx5 Mpx6 Multi-display Obd fuse 7.5a Obd2 Power master window switch Power seat ecu (under driver's seat) Remote control mirror ecu (behind left side of dash) Right front power window control switch Right rear power window control switch S20 Sil Skid control ecu (behind left end of dash) Sub body ecu (below left "d" pillar) Suspension control ecu (behind left end of dash) Tac Theft deterrent ecu (behind left side of dash) Tilt & telescope ecu (behind left side of dash) Transponder key computer (behind upper right side of dash) Wfse Wiper relay (behind right side of dash)
CRUISE CONTROL Cruise Control Wiring Diagram for Lexus GX 470 2003 List of elements for Cruise Control Wiring Diagram for Lexus GX 470 2003: 83 (left side of engine compt) engine room r/b (on top of trans) transmission control switch +b2 +bm +res -set Accel position sensor (behind left side of dash) Backup light diode 4 (behind right side of dash) Batt C11 C12 Cancel Ccs Combination meter Combination switch Cruise Data link connector 3 (below left side of dash) Dome fuse 10a Driver side j/b (behind lower left end of dash) E01 E02 E03 Eb (on left front inner fender) Ecc Ee (on rear of right cylinder head) Efi fuse 20a Efi relay Eg (on rear of left cylinder head) Engine control module (behind right end of dash) Eom Ep1 Ep2 Epa Epa2 Etcs fuse 10a Gauge fuse 7.5a Ge01 Hot at all times Hot in on or start Ig1 fuse 15a Ign fuse 10a Igsw Il (behind right side of dash) J/b 1 (behind center of dash) J/b 3 (behind lower left end of dash) J/c 10 (behind center of dash) J/c 13 (below left side of dash) J/c 16 (behind right side of dash) J/c 2 (at left side of instrument cluster) J/c 20 (behind right side of dash) J/c 21 behind right side of dash) J/c 23 (below right side of dash) J/c 5 (behind right headlamp) J/c 7 (behind left end of dash) J/c 9 (behind left end of dash) K11 Me01 Mrel Nca Nssd On-off Park/neutral position switch (on right side of transmission) Red S10 Sil Skid control ecu (behind left end of dash, above driver side j/b) Sp1 Spd Speedo- meter St1- Stop fuse 10a Stoplight switch (behind left side of dash, above brake pedal) Stp Throttle control motor & throttle position sensor (on throttle body) Vcp1 Vcp2 Vcpa Vpa Vpa1 Vpa2 Vta1 Vta2 Wfse
DEFOGGERS Heated Mirrors Wiring Diagram for Lexus GX 470 2003 List of elements for Heated Mirrors Wiring Diagram for Lexus GX 470 2003: 19 Driver side j/b (behind lower left end of dash) Engine room r/b (on left side of engine compt) Hot at all times 1995 vftc Hot in accy or run Ig1 fuse no. 2 10a J/b 3 (behind right side of dash) J/c 11 (at left kick panel) J/c 20 (behind right side of dash) J/c 23 (at right kick panel) J/c 28 (in right front door) J/c 29 (in left front door) Left remote control mirror Mir htr fuse 10a Mirror heater Mirror heater relay Mirror heater switch Passenger side r/b (behind right kick panel) Red Right remote control mirror Rear Defogger Wiring Diagram for Lexus GX 470 2003 List of elements for Rear Defogger Wiring Diagram for Lexus GX 470 2003: 27 (1) (1) w/ lexus navigation system (2) w/o lexus navigation system (2) A/c ecu a/c control assembly (behind right side of dash) A14 A15 Alt fuse 140a Body ecu (behind left end of dash) Defo Defog fuse 30a Defog relay Driver side j/b (behind lower left end of dash) Eb (on left front inner fender) Engine room r/b (on left side of engine compartment) Heater control switch Hot at all times Hot in accy or run Ig1 fuse 10a J/c 1 (behind center of dash) J15 Junction connector 15 (behind right side of dash) Junction connector junction connector (at left side of eng compt) L-rdef Rear window defogger Red Rrdef S-rdef
ELECTRONIC SUSPENSION Electronic Suspension Wiring Diagram (1 of 3) for Lexus GX 470 2003 List of elements for Electronic Suspension Wiring Diagram (1 of 3) for Lexus GX 470 2003: 79 (at left rear wheelwell) b4 (at left rear wheelwell) bo (behind left end of dash, above driver side j/b) suspension control ecu (on left front inner fender) eb (on right front inner fender) Bat Dnsw Door Ecu1 Ecu2 Fal+ Fal- Far- Fbl+ Fbl- Fbr+ Fbr- Flo Fro Front acceleration control sensor (behind right side of dash) Gnd Gnd2 Hard Height control & suspension switch Height control exhaust valve (at left rear of vehicle) Ig1 Junction connector 14 (behind left side of dash) Lh+ Low pressure tank valve (at left rear of vehicle) Pnk Pnk/ Ral+ Ral- Rar+ Rar- Rbl+ Rbl- Rbr+ Rbr- Rear acceleration control sensor (under left rear of vehicle) Rear height control valve (at left rear of vehicle) Red Red/ Rh+ Rm+ Rm- S18 S19 S20 Sbl2 Sbr Sbr2 Sbr3 Sgfl Sgfr Sgl2 Sgnd Sgr Sgr2 Sgr3 Sgrr Sgv Shb Shg Shrl Shrr Sil Slex Sllo Slrl Slrr Ss2+ Ss2- Steering sensor (in steering column) Stp Tach Tsw1 Tsw2 Upsw Electronic Suspension Wiring Diagram (2 of 3) for Lexus GX 470 2003 List of elements for Electronic Suspension Wiring Diagram (2 of 3) for Lexus GX 470 2003: 60 (behind left end of dash) junction connector 7 (on left front inner fender) eb (on left side of rear axle assembly) left rear height control sensor (on right side of rear axle assembly) right rear height control sensor +bi +bo Ahco Air sus 2 fuse 10a Air sus fuse 50a Air sus relay B4 (at left rear wheelwell) Bo (at left rear wheelwell) Dome fuse 10a Ecu-b fuse 10a Engine room r/b (on left side of engine compt) Engine room r/b 3 (on left side of engine compt) Fal+ Fal- Far+ Far- Fbl+ Fbl- Fbr+ Fbr- Flo Fro Gnd Height control compressor (at left rear of vehicle) Hot at all times J/b1 (behind center of dash) J/c 2 (on left front of engine compt) Junction connector 8 (behind left end of dash) Junction connector 9 (behind left end of dash) Left front absorber control actuator (at left front shock tower) Left rear absorber control actuator (at left rear shock tower) Pnk Pnk/ Ral+ Ral- Rar+ Rar- Rbl+ Rbl- Rbr+ Rbr- Red Red/ Right front absorber control actuator (at right front shock tower) Right rear absorber control actuator (at right rear shock tower) Rm+ Rm- S10 S11 Shb Shg Shrl Shrr Skid control ecu (behind left end of dash, above driver side j/b) Stop fuse 10a Stoplight switch (behind left side of dash, above brake pedal) Electronic Suspension Wiring Diagram (3 of 3) for Lexus GX 470 2003 List of elements for Electronic Suspension Wiring Diagram (3 of 3) for Lexus GX 470 2003: 34 (behind lower left A17 Acty Body ecu C11 Combination meter Data link connector 3 (below left side of dash) Dcty Driver side j/b (behind lower left end of dash) Ecu-ig fuse 10a Eg (on rear of left cylinder head) End of dash, in driver side j/b) Engine control module (behind right side of dash) Gauge fuse 7.5a Height control Hot in on or start J/b 1 (behind center of dash) J/b 3 (behind right side of dash) J/b1 (behind center of dash) Junction connector 13 (below left side of dash) Junction connector 16 (behind right side of dash) Left front door courtesy switch Left rear door courtesy switch Off Pcty Red Right front door courtesy switch Right rear door courtesy switch Rlcy Rrcy Sil Tach Tachometer Tems fuse 20a
ENGINE PERFORMANCE
4.7L 4.7L, Engine Performance Wiring Diagram (1 of 6) for Lexus GX 470 2003 List of elements for 4.7L, Engine Performance Wiring Diagram (1 of 6) for Lexus GX 470 2003: 70 (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 2003 List of elements for 4.7L, Engine Performance Wiring Diagram (2 of 6) for Lexus GX 470 2003: 29 (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 2003 List of elements for 4.7L, Engine Performance Wiring Diagram (3 of 6) for Lexus GX 470 2003: 50 (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 2003 List of elements for 4.7L, Engine Performance Wiring Diagram (4 of 6) for Lexus GX 470 2003: 31 (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 2003 List of elements for 4.7L, Engine Performance Wiring Diagram (5 of 6) for Lexus GX 470 2003: 36 (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 2003 List of elements for 4.7L, Engine Performance Wiring Diagram (6 of 6) for Lexus GX 470 2003: 82 (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
EXTERIOR LIGHTS Back-up Lamps Wiring Diagram for Lexus GX 470 2003 List of elements for Back-up Lamps Wiring Diagram for Lexus GX 470 2003: 25 (behind left side of dash) junction connector 12 (behind right side of dash) junction connector 19 A j33 Acc cut relay Acc fuse 7.5a B/up B5 (in rear tailgate) Bk/up lt relay Bq (at center of rear tailgate) Diode (back-up light) (behind right side of dash) Driver side j/b (behind lower left end of dash) Engine controls system Engine room r/b (on left side of engine compartment) Hot in on I6 (behind center of dash) Ig1 fuse 10a Junction connector 23 (below right side of dash) Junction connector 33 (on right side of cargo area, near ``d" pillar) Left back-up light Or accy Or start Park/neutral position switch (on right side of transmission) Passenger side r/b (at right kick panel) Right back-up light Trailer socket Exterior Lights Wiring Diagram (1 of 2) for Lexus GX 470 2003 List of elements for Exterior Lights Wiring Diagram (1 of 2) for Lexus GX 470 2003: 57 (at center rear of tailgate) (at left end of dash) (at right side of tailgate) (behind right side of dash) B11 Body ecu Bp (at left rear of vehicle) Bq (at center rear of tailgate) C10 Combination meter Combination switch Driver side j/b (behind lower left end of dash) E12 E24 Ecu-ig fuse 10a Eg (on rear of left cylinder head) F13 F15 F16 Frtl Frtr Haz Hazard switch Head Hot at all times Hot in on or start I6 (behind center of dash) Ig1 fuse 2 10a J12 J14 J15 J23 Junction connector 11 (below left side of dash) Junction connector 14 (behind left side of dash) Junction connector 17 Junction connector 23 (behind right side of dash) Junction connector 32 (on left side of cargo area, near ``d" pillar) Left license plate light Left rear combination light Left tail ind Light ctrl switch Ltin Off Right license plate light Right rear combination light Right tail ind Rtin Stin Stop Tail Tail fuse 10a Tail relay Towing converter relay (on left side of cargo area) Trly Turn Turn signal flasher Turn signal switch Exterior Lights Wiring Diagram (2 of 2) for Lexus GX 470 2003 List of elements for Exterior Lights Wiring Diagram (2 of 2) for Lexus GX 470 2003: 34 (behind left end of dash) Base of ``a" pillar) Bq (at center rear of hatch) Dac relay Ea (on right front inner fender) Eb (on left front inner fender) Engine control module (behind right side of dash) Engine room r/b (on left side of engine compt) High mounted stoplight Hot at all times Hot in on or start Junction connector 1 (on left side of engine compartment) Junction connector 16 (behind right side of dash) Junction connector 22 (behind right side of dash) Junction connector 7 & 8 (below left end of dash) Junction connector 9 Left front combination light Parking Right front combination light S11 Shift lock control ecu (under center console, near shift lever assy) Side marker Skid control ecu (behind left end of dash, above driver side j/b) Stop Stop fuse 10a Stoplight switch (behind left side of dash, above brake pedal) Stp Stp2 Stpo Suspension control ecu (behind left end of dash, near Towing brake controller (behind left side of dash) Trn-haz fuse 15a Turn Wiper relay control ecu (behind right side of dash) Trailer Tow Wiring Diagram (1 of 2) for Lexus GX 470 2003 List of elements for Trailer Tow Wiring Diagram (1 of 2) for Lexus GX 470 2003: 36 Acc fuse 7.5a Bk/up lp relay Brk Diode (back-up light) (behind right side of dash) Driver side j/b (behind lower left end of dash) E12 E20 E24 Ecu-ig fuse 10a F15 F16 Gnd Hot at all times Hot in on or accy Hot in on or start I6 (behind center of dash) Ig1 fuse 15a Ig1 fuse 2 10a J23 Junction connector 1 (on left side of eng compt, near battery) Junction connector 14 (behind left side of dash) Junction connector 16 (behind right side of dash) Junction connector 17 (behind right side of dash) Junction connector 23 (below right side of dash) Junction connector 33 (behind right end of dash) Junction connector 7 & 8 (behind left end of dash) Junction connector 9 (behind left end of dash) Of dash, above brake pedal) Park/neutral position switch (on right side of transmission) Passenger side r/b (at right kick panel) Stop Stoplight switch (behind left side Tail Tail fuse 10a Towing brake controller (behind lower left end of dash) Turn signal flasher relay (behind lower left end of dash) Trailer Tow Wiring Diagram (2 of 2) for Lexus GX 470 2003 List of elements for Trailer Tow Wiring Diagram (2 of 2) for Lexus GX 470 2003: 43 (behind left side of dash) junction connector 12 Acc cut relay B/up Batt Batt chg fuse 30a Batt chg relay Body ecu Brake ctrl fuse 30a Brk Dac relay Driver side j/b (behind lower left end of dash) E16 Eb (on left front inner fender) Engine controls system Engine room r/b (on left side of engine compartment) Engine room r/b 4 (on left side of engine compartment) Gnd Hot at all times Junction connector (on left front of engine compt, near battery) Junction connector 19 (behind right side of dash) Junction connector 30 (at left rear of vehicle) Junction connector 31 (at left rear of vehicle) Junction connector 31 (on left side of cargo area, near "d" pillar) Junction connector 32 (at left rear of vehicle) Ltin Ltot Red Rtin Rtot Skid control ecu (behind left end of dash, above driver side j/b) Stin Stop fuse 10a Stpo Sttl Sttr Tail Towing converter relay (on left side of cargo area) Towing fuse 30a Towing fuse 40a Towing tail relay Trailer socket Trly Turn- haz fuse 15a
GROUND DISTRIBUTION Ground Distribution Wiring Diagram (1 of 3) for Lexus GX 470 2003 List of elements for Ground Distribution Wiring Diagram (1 of 3) for Lexus GX 470 2003: 85 A/c lock sensor A28 Airbag sensor assembly B4 (body harness, at left rear wheelwell) B5 (body harness, in rear tailgate) B7 (body harness, in right rear of luggage compt) B9 (body harness, near right rear of luggage compt) Back door lock assembly Bm (at base of left "b" pillar) Bn (at base of "b" pillar) Bo (at center of rear hatch) Bq (at center of hatch) Br (below right rear taillight) Camshaft position sensor shield Cd automatic changer Combination meter Combination switch Crankshaft position sensor shield Data link connector no.3 Door control receiver Driver's power seat control switch Driver's seat heater Driver's seat lumbar control switch Dvd player E5 (engine harn, rear of engine) Ee (on rear of right cylinder head) Eg (on rear of left cylinder head) Engine control module Front passenger's power seat control switch Front passenger's seat heater Fuel pump Heated oxygen sensor shields Height control compressor Height control exhaust valve High mounted stop light I6 (in dash harness, behind center of dash) Ignition coil & igniter no.1 Ignition coil & igniter no.2 Ignition coil & igniter no.3 Ignition coil & igniter no.4 Ignition coil & igniter no.5 Ignition coil & igniter no.6 Ignition coil & igniter no.7 Ignition coil & igniter no.8 Ii (behind left center of dash) Ik (behind center of dash) Junction connector j10 (behind right center of dash) Junction connector j13 (on left end of dash) Junction connector j26 (center of dash) Junction connector j31 (below left rear taillight) Junction connector j32 (at left rear of vehicle, below taillight) Junction connector j33 (in center of back door) Junction connector j34 & j35 (in base of front passenger seat) Junction connector j36 & j37 (in base of driver's seat) Knock sensor shields Left backup light Left buckle switch Left license plate light Left rear combination light Low pressure tank valve Multi- display Navigation ecu P19 Power outlet shield Power seat ecu Radio & player Rear cooler power transistor Rear cooler relay Rear height control valve Rear wiper motor Right backup light Right buckle switch occupant detection sensor Right license plate light Right rear combination light S16 Stereo component amplifier Sub body ecu Tow converter relay Trailer socket Transfer actuator Transfer l4 position detection switch Transfer neutral position detection switch Voltage inverter W/ driving position memory W/o driving position memory Ground Distribution Wiring Diagram (2 of 3) for Lexus GX 470 2003 List of elements for Ground Distribution Wiring Diagram (2 of 3) for Lexus GX 470 2003: 73 A/c control assembly (w/o navigation) a/c ecu (w/ navigation) A13 A14 Acc skt relay Accessory meter B1 (body harness, at center of roof) B2 (body harness, in left rear door) B3 (body harness, near right rear wheelwell) B8 (body harness, at front of roof) Backup lamp relay Blower motor linear controller Body ecu C12 Center differential lock control ecu Center differential lock control switch Cigarette lighter Combination meter Console box illumination Data link connector 3 Driver's side junction box (under left side of dash) Driving position memory switch Electronically controlled transmission pattern select switch Engine control module Glove box light switch Hazard switch Heater control switch I2 (dash harness, behind left end of dash) I6 (dash harness, behind center of dash) I8 (dash harness, behind upper right side of dash) Inner mirror Interior light Junction connector j11 (behind left end of dash) Junction connector j23 (behind right side of dash) Junction connector j25 (under front of center console) Junction connector j28 (in right front door) Junction connector j29 (in left front door) Left front door lock assembly Left mirror heater Left rear door lock assembly Left rear power window control switch Left vanity light Main switch Mayday ecu shields Mirror heater switch Moon roof control ecu & motor Moonroof control switch Passenger side r/b Personal light Power relay Power window master switch Rain sensor Rear cooler switch Rear interior light Rear seat audio controller Rear seat entertainment ecu Rheostat Right door lock control switch Right front door lock assembly Right front power window control switch Right mirror heater Right rear door lock assembly Right rear power window control switch Right vanity light Shift lock control ecu Skid control ecu Theft deterrent ecu To a on page 3 of 3 To b on page 3 of 3 Transponder key computer Turn signal flasher W/ rear a/c W/o rear a/c Wiper relay Ground Distribution Wiring Diagram (3 of 3) for Lexus GX 470 2003 List of elements for Ground Distribution Wiring Diagram (3 of 3) for Lexus GX 470 2003: 67 A/c condenser fan motor A/t shift indicator Abs & ba & trac & vsc actuator Ac115v inv relay Air suspension relay Battery change relay Brake fluid level warning switch Combination switch Defog relay Downhill assist control switch E1 (engine harness, near right front of engine compt) E2 (engine harness, at left front of engine compt) Ea (on right front inner fender) Eb (on left front inner fender) Ec (on right rear of engine compt) Ecu skit control Ed (on top right rear of engine) Ef (on rear of left cylinder head) Efi relay Engine hood courtesy switch Engine room relay/ block (on left side of engine compt) Engine room relay/ block no.3 (on left side of engine compt) Engine room relay/ block no.4 (on left side of engine compt) From a on page 2 of 3 From b on page 2 of 3 Front power outlet Front wiper motor Gateway ecu Heater relay Height control & suspension switch I11 (console harness, left of gear selector) I3 (in dash harness, behind left side of dash) I6 (in dash harness, behind center of dash) Ignition relay Junction connector j14 (behind left center of dash) Junction connector j2 & j3 (near battery) Key interlock solenoid Left front fog light Left front parking light Left front seat heater switch Left front side marker light Left front turn signal light Left low headlight Mayday ecu Noise filter (condenser fan) Noise filter no.1 Noise filter no.2 Overhead j/b Pressure switch Rear seat entertainment ecu Remote control mirror ecu Right front fog light Right front parking light Right front seat heater switch Right front side marker light Right front turn signal light Right low headlight S19 S20 Sta relay Steering sensor Suspension control ecu Tilt & telescopic ecu Tilt motor Towing brake controller Unlock warning switch Washer level sensor
HEADLIGHTS Headlights Wiring Diagram (1 of 2) for Lexus GX 470 2003 List of elements for Headlights Wiring Diagram (1 of 2) for Lexus GX 470 2003: 57 (behind center of dash) j/b2 (behind left side of dash) i3 A16 Acc Acc fuse 7.5a Auto Automatic light control sensor (on upper left side of dash) Bcty Becu Body ecu Cltb Clte Clts Combination switch Dcty Dimmer switch Driver side j/b (behind lower left end of dash) Drl Ecu-ig fuse 10a Exterior lights system Flash Foglight switch Generator Gnd1 Gnd2 Head Head tail High High low Hot in on or acc Hot in on or start Hrly Junction connector 11 (below left side of dash) Junction connector 14 (behind left center of dash) Junction connector 16 (behind right side of dash) Junction connector 20 (behind right side of dash) Junction connector 22 (behind right side of dash) Key interlock solenoid unlock warning switch (in ignition switch) Ksw Left front door courtesy switch Left rear door courtesy switch Light control switch Low Off Parking brake switch (behind upper left end of dash) Pcty Pkb Red Right front door courtesy switch Right rear door courtesy switch Rlcy Rrcy Sig Tail Tail relay Trly Turn signal flasher (behind lower left side of dash) Headlights Wiring Diagram (2 of 2) for Lexus GX 470 2003 List of elements for Headlights Wiring Diagram (2 of 2) for Lexus GX 470 2003: 36 (on right front inner fender) ea Back door courtesy switch C10 C12 Combination meter Ea (on right front inner fender) Eb (on left front inner fender) Ecu-b fuse 10a Eg (on rear of left cylinder head) Engine room r/b (on left side of engine compartment) Fr fog fuse 15a Fr fog relay Front fog ind Head beam ind Head relay High beam ind Hot at all times J/b 1 (behind center of dash) J/b fuse 50a Junction connector 12 (behind left side of dash) Junction connector 23 (below right side of dash) Junction connector 4 (behind left headlamp) Junction connector 4 (behind left headlight) Junction connector 6 (at left rear of engine compartment) Junction connector 7 & 8 (behind left end of dash) Left front fog light Left high head fuse 10a Left high headlight Left low head fuse 10a Left low headlight Red Right front fog light Right high head fuse 10a Right high headlight Right low head fuse 10a Right low headlight
HORN Horn Wiring Diagram for Lexus GX 470 2003 List of elements for Horn Wiring Diagram for Lexus GX 470 2003: 9 Driver side j/b (behind lower left end of dash) Engine room r/b (on left side of engine compartment) Horn fuse 10a Horn high (right front eng compt) Horn low (left front eng compt) Horn relay Horn switch (part of combination switch) Hot at all times J/b 1 (behind center of dash)
INSTRUMENT CLUSTER Instrument Cluster Wiring Diagram (2 of 2) for Lexus GX 470 2003 List of elements for Instrument Cluster Wiring Diagram (2 of 2) for Lexus GX 470 2003: 50 A11 Acc Acc cut relay (on engine room r/b) Acc fuse 7.5a Accessory meter Air conditioning system Body computer system Body ecu Brake fluid level warning switch Computer data lines Data Dmin Driver side j/b (behind lower left end of dash Driver side j/b (behind lower left end of dash) Ea (right front inner fender) Eb (left front inner fender) Ecu-b fuse 10a Ecu-ig fuse 10a Electronic suspension Engine control system Engine controls system Engine room j/b (left inner fender panel) Engine room r/b (left side of engine compartment) Gnd Hot at all times Hot in accy or on Hot in on or start Hot with light switch in park or head I4 (dash harness, behind instrument cluster) Il (behind right side of dash) J/b no 2 (behind center of dash) J/b no. 3 (behind right side of dash) J/b no.1 (behind center of dash) J/c 19 (behind right side of dash) J/c 23 (below right side of dash) J/c 7 J/c 7 & 8 (left end of dash) J/c 8 K11 Multi-display Navigation system Panel fuse 10a Pnk Power tops system Sound systems Spd Swot Tail Th+ Washer level sensor (on washer fluid reservoir)
INTERIOR LIGHTS Courtesy Lamps Wiring Diagram (1 of 2) for Lexus GX 470 2003 List of elements for Courtesy Lamps Wiring Diagram (1 of 2) for Lexus GX 470 2003: 52 (on rear of left cylinder head) A12 A16 A18 Acc Acc fuse 7.5a Back door courtesy switch Bcty Becu Body ecu (behind lower left end of dash, in driver side j/b) C11 Combination meter Dcty Dcy2 Dcyl Dome fuse 10a Dome relay Door control receiver (on left "d" pillar, behind trim) e Door ind Driver side j/b (behind lower left end of dash) Drlp Ecu-b fuse 10a Ecu-ig fuse 10a Engine Gauge fuse 7.5a Gnd1 Gnd2 Hot at all times Hot in acc or on Hot in on or start Ile J/b 1 (behind center of dash) Junction conector 30 (at left rear of vehicle) Junction connector 11 (below left side of dash) Junction connector 16 (behind right side of dash) Kswo Lcyl Left front door courtesy switch Left rear door courtesy switch Lmry Pcty Pcyl Prg Rcyl Rda Red Right front door courtesy switch Right rear door courtesy switch Rlcy Room r/b (on left side of engine compt) Rrcy Sig Courtesy Lamps Wiring Diagram (2 of 2) for Lexus GX 470 2003 List of elements for Courtesy Lamps Wiring Diagram (2 of 2) for Lexus GX 470 2003: 49 (behind center i6 (behind center of dash) A10 A19 A20 B1 (near center rear of roof) B10 Becu C10 Cspt Door Driver side j/b (behind lower left end of dash) E10 Gnd Ignition key cylinder switch Interior light J/b 3 (behind right side of dash) J22 Junction connector (at left rear corner of vehicle) Junction connector 18 (behind right side of dash) Junction connector 31 (at left rear corner of vehicle) Left front door courtesy light Left front inside handle light Left rear door courtesy light Left rear inside handle light Left side step light Left step light Left vanity light Lspt Moon roof control sw personal light Of dash) Off Personal light Rbd1 Rbd2 Rear interior light Red Right front door courtesy light Right front inside handle light Right rear door courtesy light Right rear inside handle light Right side step light Right step light Right vanity light Rspt S27 S28 Sig Sub body ecu (below left "d" pillar, behind trim) Instrument Illumination Wiring Diagram, with Navigation (1 of 2) for Lexus GX 470 2003 List of elements for Instrument Illumination Wiring Diagram, with Navigation (1 of 2) for Lexus GX 470 2003: 42 A/c ecu A/t shift indicator A15 A19 Acan Ai5 Body ecu C12 Combination meter Combination switch Dome fuse 10a Driver side j/b (behind lower left end of dash) Eg (on rear of left cylinder head) Engine room r/b (on left side of engine compt) Gauge fuse 7.5a Harness, behind instrument cluster) Head Heater control switch Hot at all times Hot in on or start Ig1 fuse 2 10a Ilew Ill Ill- J/b 1 (behind center of dash) J/b 3 (behind right side of dash) J/b fuse 50a J21 Junction connector (behind right side of dash) Junction connector 11 (below left side of dash) Junction connector 14 (behind left side of dash) Junction connector 16 (behind right side of dash) Junction connector 22 (behind right side of dash) Light ctrl switch Off Panel fuse 10a Red Rheostat Sub body ecu Tail Tail relay Trly Instrument Illumination Wiring Diagram, with Navigation (2 of 2) for Lexus GX 470 2003 List of elements for Instrument Illumination Wiring Diagram, with Navigation (2 of 2) for Lexus GX 470 2003: 38 (behind center of dash) j/b 2 (behind right side of dash) junction connector 16 (below right side of dash) junction connector 23 (in dash harness, behind instrument cluster) i4 (in dash harness, behind upper right side of dash) A11 A12 A13 Accessory meter Ashtray illumination light Center differential lock control switch light Cigarette lighter illumination light Combination switch Console box illumination light Controlled transmission pattern select switch light Downhill assist control switch light Electronically Glove box light Glove box light switch Hazard switch light Height control & suspension switch light I11 I11 (in console harness, left of gear selector) Ill- J/b 2 (behind center of dash) Junction connector 23 (below right side of dash) Junction connector 28 (below right side of dash) Left front seat heater switch light Main switch light Mirror heater switch light Multi- display Radio & player Rear cooler switch light Remote control mirror switch light Right door lock control switch light Right front seat heater switch light W/o rear a/c W/rear a/c a/c Instrument Illumination Wiring Diagram, without Navigation (1 of 2) for Lexus GX 470 2003 List of elements for Instrument Illumination Wiring Diagram, without Navigation (1 of 2) for Lexus GX 470 2003: 42 A/c control assembly A/t shift indicator A15 A19 Acan Ai3 Ai4 Ai5 Body ecu C12 Combination meter Combination switch Dome fuse 10a Driver side j/b (behind lower left end of dash) Eg (on rear of left cylinder head) Engine room r/b (on left side of engine compt) Gauge fuse 7.5a Harness, behind instrument cluster) Head Hot at all times Hot in on or start Ig1 fuse 2 10a Ilew Ill Ill- J/b 1 (behind center of dash) J/b 3 (behind right side of dash) J/b fuse 50a J21 Junction connector (behind right side of dash) Junction connector 11 (below left side of dash) Junction connector 14 (behind left side of dash) Junction connector 22 (behind right side of dash) Light ctrl switch Off Panel fuse 10a Red Rheostat Sub body ecu Tail Tail relay Trly Instrument Illumination Wiring Diagram, without Navigation (2 of 2) for Lexus GX 470 2003 List of elements for Instrument Illumination Wiring Diagram, without Navigation (2 of 2) for Lexus GX 470 2003: 37 (behind center of dash) j/b 2 (behind right side of dash) junction connector 16 (below right side of dash) junction connector 23 (in dash harness, behind instrument cluster) i4 (in dash harness, behind upper right side of dash) A11 A12 A13 Accessory meter Ashtray illumination light Center differential lock control switch light Cigarette lighter illumination light Combination switch Console box illumination light Controlled transmission pattern select switch light Downhill assist control switch light Electronically Glove box light Glove box light switch Hazard switch light Height control & suspension switch light I11 I11 (in console harness, left of gear selector) Ill- J/b 2 (behind center of dash) Junction connector 23 (below right side of dash) Junction connector 28 (below right side of dash) Left front seat heater switch light Main switch light Mirror heater switch light Radio & player Rear cooler switch light Remote control mirror switch light Right door lock control switch light Right front seat heater switch light W/o rear a/c W/rear a/c a/c
MEMORY SYSTEMS Memory Systems Wiring Diagram (1 of 3) for Lexus GX 470 2003 List of elements for Memory Systems Wiring Diagram (1 of 3) for Lexus GX 470 2003: 61 (behind left center of dash) (behind right side of dash) j/c 19 (on engine room r/b acc cut relay A16 Acc Acc fuse 7.5a Bdr1 Becu Body ecu Dcty Door courtesy switch Dr/lck fuse 25a Driver side j/b (behind lower left end of dash) Driving position memory switch Ecu-b fuse 10a Ecu-ig fuse 10a Engine room r/b (on left side of engine compartment) Gnd Gnd1 Gnd2 Hot at all times Hot in on and start Hot in on or acc Hsrl Hsrr I3 (in dash harness, behind left side of dash) I6 (in dash harness, behind center of dash) Ig1 no. 2 fuse 10a J/b 1 (behind center of dash) J/b 2 (behind center of dash) J/c 11 (below left side of dash) J/c 14 J/c 16 (behind right side of dash) J/c 21 (behind right side of dash) J/c 24 (below center console) J/c 29 (under left side of dash) J28 Ksw Left remote control mirror M+l M+r Mhl Mhr Mirb Mire Mpx1 Mpx2 Mvl Mvr Rcan Remote control mirror ecu (behind left side of dash) Rev Right remote control mirror Set Sig Swhr Swvr Unlock warning switch Vdd Vsrl Vssr Memory Systems Wiring Diagram (2 of 3) for Lexus GX 470 2003 List of elements for Memory Systems Wiring Diagram (2 of 3) for Lexus GX 470 2003: 39 (behind left center of dash) (on steering C10 Column) Combination switch D10 Diode Driver side j/b (behind lower left end of dash) E2 tes vce tem+ tem- Ecub Gnd Hot at all times J/b 2 (behind center of dash) J/c 14 J/c 15 (behind right side of dash) J25 Mpx1 Msw Operation Park/neutral position switch (right side of transmission) Power fuse 30a Remote control mirror switch Select switch Switch Tele long Tele short Telescopic motor Telescopic sensor Tem+ Tem- Tilt & telescopic ecu (behind left side of dash) Tilt down Tilt motor Tilt up Tim+ Tim- Tis Vc1 Vci Memory Systems Wiring Diagram (3 of 3) for Lexus GX 470 2003 List of elements for Memory Systems Wiring Diagram (3 of 3) for Lexus GX 470 2003: 21 (under driver's seat) j/c 36, j/c 37 Bm (at base of left "b" pillar) D p/seat fuse 30a Driver's seat lumbar support control switch E sld+ sld- fvr- Fvr+ lft+ rcl+ lft- rcl- p20 Hot at all times J/b 1 (behind center of dash) J/c 22 (below right side of dash) J/c 36, j/c 37 (under driver's seat) J29 Left kick panel j/b (at left kick panel) Mpx P20 Pnk Power seat ecu (below driver's seat) Power seat motor (driver's seat front vertical control) Power seat motor (driver's seat lumbar support control) Power seat motor (driver's seat rear vertical control) Power seat motor (driver's seat reclining control) Power seat motor (driver's seat slide control)
NAVIGATION Navigation Wiring Diagram, with Rear Entertainment, with Mayday System (1 of 2) for Lexus GX 470 2003 List of elements for Navigation Wiring Diagram, with Rear Entertainment, with Mayday System (1 of 2) for Lexus GX 470 2003: 72 (in dash behind harn, center of dash) i6 (on engine room r/b) acc cut relay (under driver's seat) stereo component amplifier A/c ecu (behind right side of dash) A15 Acc Acc fuse 7.5a Aui+ Aui- Auo+ Auto- Batt Driver side j/b (behind lower left side of dash) Ecu-b fuse 10a Ecu-ig fuse 10a Engine room j/b (on left inner fender panel) Engine room r/b (on left side of engine compart) Fl+ Fl- Gateway ecu (behind center of dash) Gnd Gtx+ Gtx- Hot at all times Hot in acc Hot in on or start I6 (in dash behind harness, center of dash) I6 (in dash harn, behind center of dash) Ij (behind left center of dash) Ij (behind left side of dash) Ik (behind center of dash) Instrument cluster system J/b 1 (behind center of dash) J/c 14 J/c 14 (behind left side of dash) J/c 19 (behind right side of dash) J/c 27 (on right front floor) J28 Macc Mic+ Mic- Mpd1 Mpd2 Mpx+ Mpx- Mute N-mu Navi Navigation ecu (under passenger's seat) Nca Nts1 Pnk R5 r1 R9 tx+ Radio & player Radio 1 fuse 20a Rear seat entertainment ecu (at right kick panel) Red Rev S15 S16 Sg3 Sgnd Slda Snse Spd Sync Sync1 Tx+ Tx- Vg1 Vr1 Navigation Wiring Diagram, with Rear Entertainment, with Mayday System (2 of 2) for Lexus GX 470 2003 List of elements for Navigation Wiring Diagram, with Rear Entertainment, with Mayday System (2 of 2) for Lexus GX 470 2003: 42 (at right kick panel) overhead j/b (behind center of dash) j/b 2 (behind right side of dash) j/c 15 (below left side of dash) j/c 11 A20 Acc B8 (in body harn, at front of roof) C10 Computer data lines system Diode Driver side j/b (behind lower left side of dash) Engine room j/b (on left inner fender panel) Gnd1 Hot at all times Hot in on or start Ig1 2 fuse 10a Ik (behind center dash) Instrument cluster system J/c 20 (behind right side of dash) Left front door speaker Macc Mayday ecu (on left side of cargo area) Mi1 Mi1+ Mic+ Mic- Multi- display Nca Ntsc Park/neutral position sw (on right side of transmission) Parking brake sw (above brake pedal) Pkb Radio 2 fuse 30a Red Sgnd Shld Spd Sync Tx1+ Tx1- Tx3+ Tx3- Navigation Wiring Diagram, with Rear Entertainment, without Mayday System (1 of 2) for Lexus GX 470 2003 List of elements for Navigation Wiring Diagram, with Rear Entertainment, without Mayday System (1 of 2) for Lexus GX 470 2003: 72 (in dash behind harn, center of dash) i6 (on engine room r/b) acc cut relay (under driver's seat) stereo component amplifier A/c ecu (behind right side of dash) A15 Acc Acc fuse 7.5a Aui+ Aui- Auo+ Auto- Batt Driver side j/b (behind lower left side of dash) Ecu-b fuse 10a Ecu-ig fuse 10a Engine room j/b (on left inner fender panel) Engine room r/b (on left side of engine compart) Fl+ Fl- Gateway ecu (behind center of dash) Gnd Gtx+ Gtx- Hot at all times Hot in acc Hot in on or start I6 (in dash behind harness, center of dash) I6 (in dash harn, behind center of dash) Ij (behind left center of dash) Ij (behind left side of dash) Ik (behind center of dash) Instrument cluster system J/b 1 (behind center of dash) J/c 14 J/c 14 (behind left side of dash) J/c 19 (behind right side of dash) J/c 27 (on right front floor) J28 Macc Mic+ Mic- Mpd1 Mpd2 Mpx+ Mpx- Mute N-mu Navi Navigation ecu (under passenger's seat) Nca Nts1 Pnk R5 r1 R9 tx+ Radio & player Radio 1 fuse 20a Rear seat entertainment ecu (at right kick panel) Red Rev S15 S16 Sg3 Sgnd Slda Snse Spd Sync Sync1 Tx+ Tx- Vg1 Vr1 Navigation Wiring Diagram, with Rear Entertainment, without Mayday System (2 of 2) for Lexus GX 470 2003 List of elements for Navigation Wiring Diagram, with Rear Entertainment, without Mayday System (2 of 2) for Lexus GX 470 2003: 38 (behind center of dash) j/b 2 (behind right side of dash) j/c 15 A20 Acc B8 (in body harn, at front of roof) C10 Computer data lines system Diode Driver side j/b (behind lower left side of dash) Engine room j/b (on left inner fender panel) Gnd1 Hot at all times Hot in on or start Ig1 2 fuse 10a Ik (behind center dash) Instrument cluster system J/c 11 (below left side of dash) J/c 20 (behind right side of dash) Left front door speaker Macc Mi1 Mic- Multi- display Nca Ntsc Overhead j/b (at right kick panel) Park/neutral position sw (on right side of transmission) Parking brake sw (above brake pedal) Pkb Radio 2 fuse 30a Red Shld Spd Sync Tx1+ Tx1- Tx3+ Tx3- Navigation Wiring Diagram, without Rear Entertainment, with Mayday System (1 of 2) for Lexus GX 470 2003 List of elements for Navigation Wiring Diagram, without Rear Entertainment, with Mayday System (1 of 2) for Lexus GX 470 2003: 60 (in dash behind harn, center of dash) i6 (on engine room r/b) acc cut relay (under driver's seat) stereo component amplifier A/c ecu (behind right side of dash) A15 Acc Acc fuse 7.5a Aui+ Aui- Auo+ Auto- Batt Driver side j/b (behind lower left side of dash) Ecu-b fuse 10a Ecu-ig fuse 10a Engine room j/b (on left inner fender panel) Engine room r/b (on left side of engine compart) Fl+ Fl- Gateway ecu (behind center of dash) Gnd Gtx+ Gtx- Hot at all times Hot in acc Hot in on or start I6 (in dash behind harness, center of dash) I6 (in dash harn, behind center of dash) Ij (behind left side of dash) Ik (behind center of dash) Instrument cluster system J/b 1 (behind center of dash) J/c 14 J/c 19 (behind right side of dash) J/c 27 (on right front floor) J28 Macc Mic+ Mic- Mpd1 Mpd2 Mpx+ Mpx- Mute N-mu Navigation ecu (under passenger's seat) Nca Pnk Radio & player Radio 1 fuse 20a Red Rev S15 S16 Sgnd Snse Spd Sync Tx+ Tx- Navigation Wiring Diagram, without Rear Entertainment, with Mayday System (2 of 2) for Lexus GX 470 2003 List of elements for Navigation Wiring Diagram, without Rear Entertainment, with Mayday System (2 of 2) for Lexus GX 470 2003: 44 (at right kick panel) overhead j/b (behind center of dash) j/b 2 (behind right side of dash) j/c 15 (below left side of dash) j/c 11 A20 Acc B8 (in body harn, at front of roof) C10 Computer data lines system Diode Driver side j/b (behind lower left side of dash) Engine room j/b (on left inner fender panel) Gnd1 Hot at all times Hot in on or start Ig1 2 fuse 10a Ik (behind center dash) Instrument cluster system J/c 20 (behind right side of dash) Left front door speaker Macc Mayday ecu (on left side of cargo area) Mi1 Mi1+ Mic+ Mic- Multi- display Nca Park/neutral position sw (on right side of transmission) Parking brake sw (above brake pedal) Pkb Pnk Radio 2 fuse 30a Red Sgnd Shld Spd Sync Tx+ Tx- Tx1+ Tx1- Tx3+ Tx3- Navigation Wiring Diagram, without Rear Entertainment, without Mayday System (1 of 2) for Lexus GX 470 2003 List of elements for Navigation Wiring Diagram, without Rear Entertainment, without Mayday System (1 of 2) for Lexus GX 470 2003: 60 (in dash behind harn, center of dash) i6 (on engine room r/b) acc cut relay (under driver's seat) stereo component amplifier A/c ecu (behind right side of dash) A15 Acc Acc fuse 7.5a Aui+ Aui- Auo+ Auto- Batt Driver side j/b (behind lower left side of dash) Ecu-b fuse 10a Ecu-ig fuse 10a Engine room j/b (on left inner fender panel) Engine room r/b (on left side of engine compart) Fl+ Fl- Gateway ecu (behind center of dash) Gnd Gtx+ Gtx- Hot at all times Hot in acc Hot in on or start I6 (in dash behind harness, center of dash) I6 (in dash harn, behind center of dash) Ij (behind left side of dash) Ik (behind center of dash) Instrument cluster system J/b 1 (behind center of dash) J/c 14 J/c 19 (behind right side of dash) J/c 27 (on right front floor) J28 Macc Mic+ Mic- Mpd1 Mpd2 Mpx+ Mpx- Mute N-mu Navigation ecu (under passenger's seat) Nca Pnk Radio & player Radio 1 fuse 20a Red Rev S15 S16 Sgnd Snse Spd Sync Tx+ Tx- Navigation Wiring Diagram, without Rear Entertainment, without Mayday System (2 of 2) for Lexus GX 470 2003 List of elements for Navigation Wiring Diagram, without Rear Entertainment, without Mayday System (2 of 2) for Lexus GX 470 2003: 39 (at right kick panel) overhead j/b (behind center of dash) j/b 2 (behind right side of dash) j/c 15 (below left side of dash) j/c 11 A20 Acc B8 (in body harn, at front of roof) C10 Computer data lines system Diode Driver side j/b (behind lower left side of dash) Engine room j/b (on left inner fender panel) Gnd1 Hot at all times Hot in on or start Ig1 2 fuse 10a Ik (behind center dash) Instrument cluster system J/c 20 (behind right side of dash) Left front door speaker Macc Mi1 Mic- Multi- display Nca Park/ neutral position sw (on right side of transmission) Parking brake sw (above brake pedal) Pkb Pnk Radio 2 fuse 30a Red Spd Sync Tx+ Tx- Tx1+ Tx1- Tx3+ Tx3-
PASSIVE RESTRAINTS Passive Restraints Wiring Diagram for Lexus GX 470 2003 List of elements for Passive Restraints Wiring Diagram for Lexus GX 470 2003: 13 Belt buckle) Bm (base of left b-pillar) Br (right rear of vehicle below taillight) Driver side j/b (behind lower left end of dash) Ecu-ig fuse 15a Hot in on or start J/b 1 (behind center of dash) J/c 22 (behind right end of dash) J28 Left buckle switch (on left seat Left tension reducer solenoid (at base of left "b" pillar) Right buckle switch (on right seat Right tension reducer solenoid (at base of right "b" pillar)
POWER DISTRIBUTION Power Distribution Wiring Diagram (1 of 2) for Lexus GX 470 2003 List of elements for Power Distribution Wiring Diagram (1 of 2) for Lexus GX 470 2003: 76 Abs mtr fuse 40a Abs sol fuse 50a Ac115v inv fuse 15a Ac115v inv relay Air conditioning system Air sus fuse 50a Alt fuse 140a Alt-s fuse 7.5a Am1 fuse 50a Am2 fuse 30a Anti-lock brake system Anti-theft, body computer, headlight, interior lights, power window, power mirrors, power tops, electronic power steering, power seats, instrument cluster, navigation, air conditioning system Anti-theft, electronic suspension system Batt chg fuse 30a Battery Body computer, antilock brake defogger Body computer, door lock, anti-theft, powertops, power mirrors system Br (below right taillight) Brake ctrl fuse 30a Cds fan fuse 20a D fr p/w fuse 20a Defog fuse 10a Defog relay Defogger system Dome fuse 10a Dr/lck fuse 25a Eb (on left front inner fender) Ecu-b fuse 10a Ecu-b no.2 fuse 10a Efi fuse 20a Electronic suspension system Engine controls system Engine controls, exterior lights, transmission, cruise control, electronic suspension, shiftlock system Engine controls, transmission, cruise control system Engine controls, warnings, garage door opener, instrument cluster system Engine room j/b (on left inner fender panel) Etcs fuse 15a Exterior lights system Fr fog fuse 15a From a on this page Head relay Headlights system Heater fuse 50a Horn fuse 10a Horn, anti-theft, system Ign relay J/b fuse 50a Junction connector (near right taillight) Junction connector 11 (behind left end of dash) Junction connector 2,3 (front left side of engine compt) Main switch May- day fuse 7.5 Mir htr fuse 10a Navigation system Navigation, sound system Obd fuse 7.5a Pnk Power outlet (115v) Power seats system Power window system Radio no.1 fuse 20a Radio no.2 fuse 30a Red Rr a/c fuse 30a Seat heater fuse 20a Short pin Starting/charging, system Stop fuse 10a To a on this page To b on page 2 0f 2 To d on page 2 of 2 To e on page 2 of 2 Towing fuse 30a Towing fuse 40a Trn- haz fuse 15a Voltage inverter Power Distribution Wiring Diagram (2 of 2) for Lexus GX 470 2003 List of elements for Power Distribution Wiring Diagram (2 of 2) for Lexus GX 470 2003: 101 A11 Acc Acc fuse 7.5a Acc skt relay Am1 Am2 Anti-theft, power window, door locks, anti-lock brake, electronic suspension, electronic power steering, shiftlock, power seats, instrument cluster, navigation system B11 B12 B13 Bcm Body computer, exterior lights, instrument cluster system Body computer, interior lights system Body computer, warnings, exterior lights, interior lights warnings, wiper/washer, transmission, anti-lock brake, power mirrors, power seats, defogger, navigation, air conditioning system Body computer, wiper/washer system Cig fuse 10a Cigarette lighter D p/seat fuse 30a D rr p/w fuse 20a Diff fuse 20a Driver side j/b (behind lower left end of dash) E12 E16 E20 E21 E22 E23 Ecu-ig fuse 10a Electronic power steering system Electronic suspension system Engine controls, body computer, exteror lights, wiper/washer, transmission, anti-lock brake, power mirrors, shiftlock, instrument cluster, navigation, sound system Engine controls, cruise control, anti-lock brake system Engine controls, transmission, cruise control system Exterior lights system Exterior lights, wiper/washer system F11 F13 Fr wip-wsh fuse 30a From b from page 1 of 2 From d on page 1 of 2 From e from page 1 of 2 From f on this page Gauge fuse 7.5a Ig1 Ig1 fuse 10a Ig1 no.2 fuse 10a Ig2 Ign fuse 10a Ignition switch Interior lights system J10 J11 J13 J21 J25 J28 J29 J30 J31 J32 Junction connector 11 (behind upper left center of dash) Junction connector 14 (behind left center of dash) Junction connector 23 (at left rear wheelwell) K10 K12 K14 L15 L20 Lock Not used P fr p/w fuse 20a P p/seat fuse 30a P rr p/w fuse 20a Panel fuse 10a Pnk Power fuse 30a Power mirrows system Power outlet Power outlet fuse 15a Power relay Power seats system Power seats, memory system Power window system Powertops system Rr wash fuse 15a Rr wip fuse 15a Srs fuse 10a St1 St2 St2 fuse 7.5a Sta fuse 7.5a Start Starting/charging, engine controls, instrument cluster, interior lights, warnings system Starting/charging, engine controls, transmission system Starting/charging, exterior lights, defogger, air conditioning system Tail fuse 10a Tail relay Tems fuse 20a To f on this page Transmission system Wiper/washer system
POWER MIRRORS Automatic Glare-Resistant EC Mirror Wiring Diagram for Lexus GX 470 2003 List of elements for Automatic Glare-Resistant EC Mirror Wiring Diagram for Lexus GX 470 2003: 6 A14 Driver side j/b (behind lower left end of dash) Gauge fuse 15a Hot in on or start Inner mirror J11 junction connector (below left side of dash)
POWER SEATS Driver Seat Wiring Diagram for Lexus GX 470 2003 List of elements for Driver Seat Wiring Diagram for Lexus GX 470 2003: 23 Bm (at base of left "b" pillar) D p/seat fuse 30a Down Driver side j/b (behind lower left end of dash) Driver's power seat control switch Driver's seat lumbar support control (in rear of seat) F j37 Front Front vertical control motor (under seat) Hot at all times J/c 36, 37 (in base of driver's seat) J29 J36 J36 a J37 e Pnk Rear Rear vertical control motor (under seat) Reclining Reclining control motor (under seat) Slide Slide control motor (under seat) Vertical Heated Seats Wiring Diagram for Lexus GX 470 2003 List of elements for Heated Seats Wiring Diagram for Lexus GX 470 2003: 24 A16 Bm (at base of right "b" pillar) Bn (at base of right "b" pillar) Driver side j/b (behind lower left end of dash) Engine room r/b (on left side of engine compartment) Hot in on or start I6 (in dash harness, behind center of dash) Ig1 fuse 10a Interior lights system J/b 3 (behind right side of dash) J/c 15 (behind right center of dash) J43 J44 J45 J46 Junction connector 14 (behind lower right center of dash) Junction connector 34 & 35 (under right front seat) Junction connector 36 & 37 (under left front seat) Left seat heater Left seat heater switch Red Right seat heater Right seat heater switch Seat heater fuse 20a Passenger Seat Wiring Diagram for Lexus GX 470 2003 List of elements for Passenger Seat Wiring Diagram for Lexus GX 470 2003: 19 A j34 Bn (at base of right "b" pillar) E j35 F j35 Front H j34 Hot at all times J/c 34 J/c 34, j/c 35 (in base of front passenger's seat) J32 Left kick panel j/b (at left kick panel) P p/seat fuse 30a Passenger's power seat control switch Pnk Rear Reclining Reclining control motor (under seat) Slide Slide control motor (under seat)
POWER TOP/SUNROOF Moonroof Wiring Diagram for Lexus GX 470 2003 List of elements for Moonroof Wiring Diagram for Lexus GX 470 2003: 23 A11 A13 A15 Body ecu Close/up Down Driver side j/b (behind lower left end of dash) Ecu-ig fuse 10a Hot at all times Hot in on Ih (behind left end of dash) Instrument cluster system Junction connector 11 (behind left kick panel) Kcl Kop Moon roof control ecu & motor (above headliner, at center of windshield header) Moon roof control switch Open/down Or start Power fuse 30a Pws Sig Spd
POWER WINDOWS Power Windows Wiring Diagram (1 of 2) for Lexus GX 470 2003 List of elements for Power Windows Wiring Diagram (1 of 2) for Lexus GX 470 2003: 46 (at left rear of vehicle, below taillight) A13 A14 Airbag sensor assembly (below center of dash) Bdr1 Body ecu (behind lower left end of dash, in driver side j/b) Cpub D fr p/w 20a Dcty Door control receiver (on left "d" pillar, behind trim) Dr/lck fuse 25a Ecu-b fuse 10a Engine room r/b (on left side of engine compt) Hot at all times J/b 1 (behind center of dash) J/c 16 (behind right side of dash) J/c 29 (behind left side of dash) J/c 30 (at left rear of luggage comp) J/c 31 (at left rear of luggage comp) J/c 32 Kof Left front door courtesy switch Left front power window motor Left rear door courtesy switch Mpx1 Mpx2 Mpx3 Mpx4 Mpx5 Mpx6 Pcty Pls Pls1 Pls2 Power window master switch Prg Rda Right front door courtesy switch Right rear door courtesy switch Rlcy Rrcy Sgnd Sig Ssrb Sub body ecu (below left "d" pillar, behind trim) Vcc Power Windows Wiring Diagram (2 of 2) for Lexus GX 470 2003 List of elements for Power Windows Wiring Diagram (2 of 2) for Lexus GX 470 2003: 44 (in body harness, in left rear door) b2 (in body harness, near right rear wheelwell) b3 Acc Acc fuse 7.5a Bdr Bdr1 Becu Body ecu D rr p/w 20a Driver side j/b (behind lower left end of dash) Ecu-ig fuse 10a Gnd Gnd1 Gnd2 Hot at all times Hot in on or start Hot when head relay energized Il (behind right side of dash) J/c 17 (behind right side of dash) J/c 23 (below right side of dash) J/c 28 (behind right front kick panel) J28 Junction connector (below left side of dash) K10 K12 K14 Kof Left rear power window control switch Left rear power window motor P rr p/w 20a P11 P13 Pls Pls1 Pls2 Right front power window control switch Right front power window motor Right rear power window control switch Right rear power window motor Sel2 Sgnd Sig Ssrb Vcc
RADIO Radio Wiring Diagram, with Rear Entertainment (1 of 4) for Lexus GX 470 2003 List of elements for Radio Wiring Diagram, with Rear Entertainment (1 of 4) for Lexus GX 470 2003: 69 (in dash harness, behind center of dash) i6 (under drivers seat) stereo component amplifier Acc Ant Antenna amplifier (behind center of dash) Au1 Au2 B1+ B2+ Combination switch Eau Fl+ Fr+ Fr- Gnd Il (behind right side of dash) Instrument cluster system Lmut M14 Ml+ Ml- Mr+ Multi-display Mute N-mu Nca Nr- Ntsc Pnk R-l+ R-l- R-r+ R-r- R5 rear seat entertainment ecu (at right kick panel) Radio & player Red Rl+ Rl- Rmut Rmute Rr+ Rr- Rsa l- Rsa r+ Rsa r- S15 S16 Sg1 Sgd1 Sgnd Shld Slda Spd Stsw1 Stsw2 Swgnd Sync1 Sync1 sync1 Tmut Tx+ Tx- Tx1+ Tx1- Vg1 Vr1 Wfl+ Wfl- Wfr+ Wfr- Radio Wiring Diagram, with Rear Entertainment (2 of 4) for Lexus GX 470 2003 List of elements for Radio Wiring Diagram, with Rear Entertainment (2 of 4) for Lexus GX 470 2003: 61 (behind right side of dash) j/c 19 (in dash harness, behind center of dash) i6 (on engine room r/b) acc cut relay A17 Acc Acc 7.5a Al+ Al- Ar+ Ar- Aui+ Aui- Auo+ Auo- Cd changer Cdl+ Cdl- Cdr+ Cdr- Driver side j/b (behind lower left end of dash) Dvd player Engine room r/b (on left side of engine compart- ment) Gnd Hot at all times Hot in run & acc Hpl+ Hpl- Hpr+ Hpr- I5 (in dash harness, behind instrument cluster) I6 (in dash harness, behind center of dash) Ij (behind left center of dash) Ik (behind center of dash) J/b 2 (behind center of dash) Mute Navi Navigation ecu (under passenger's seat) (if equipped) Nca Nts2 Ntsc Pnk R6 mute R9 vg Radio no. 1 20a Radio no. 2 30a Rear seat entertainment ecu (at right kick panel) Red Sg4 Sg9 Sgn2 Sgnd Sld Sld1 Sld5 Sync Tx+ Tx- Tx3+ Tx3- Txm+ Txm- Radio Wiring Diagram, with Rear Entertainment (3 of 4) for Lexus GX 470 2003 List of elements for Radio Wiring Diagram, with Rear Entertainment (3 of 4) for Lexus GX 470 2003: 38 (if equipped) woofer speaker +b2 Acc Acc2 Auxl Auxr Bu+b Gaux Gnd Gnd1 H12 Headphone terminal video terminal Hp1l Hp1r Hp2l Hp2r Nca Ntsc Pnk R27 R7 nts4 Rear seat entertainment display Rear seat entertainment ecu (at right kick panel) Red Sg5 Sg6 Sg7 Sgn5 Sgnd Sld Syn2 Sync Tx+ Tx- Tx2+ Tx2- Vg2 Vr2 Radio Wiring Diagram, with Rear Entertainment (4 of 4) for Lexus GX 470 2003 List of elements for Radio Wiring Diagram, with Rear Entertainment (4 of 4) for Lexus GX 470 2003: 16 (if equipped) (on left side of cargo area) mayday ecu Center speaker (if equipped) J/c 12 (behind left side of dash) J/c 21 (behind right side of dash) Left back door speaker (if equipped) Left front door speaker Left front door squawker speaker Left front door tweeter speaker Left rear door speaker Pnk Red Right back door speaker (if equipped) Right front door speaker Right front door squawker speaker Right front door tweeter speaker Right rear door speaker Radio Wiring Diagram, without Rear Entertainment, with Rear Seat Audio (1 of 3) for Lexus GX 470 2003 List of elements for Radio Wiring Diagram, without Rear Entertainment, with Rear Seat Audio (1 of 3) for Lexus GX 470 2003: 62 (in dash harness, behind center of dash) i6 (under drivers seat) stereo component amplifier Acc Ant Antenna amplifier (behind center of dash) B2+ Fl+ Fr+ Fr- Gnd Hp1l Hp1r Hp2l Hp2r I5 (in dash harness, behind instrument cluster) Il (behind right side of dash) Instrument cluster system J/c 23 (below right side of dash) Lmut Ml+ Ml- Mr+ Multi-display Mute N-mu Nca Nr- Pnk R26 rear seat audio controller (at right kick panel) Radio & player Red Rl+ Rl- Rmut Rmute Rr+ Rr- Rsa l+ Rsa l- Rsa r+ Rsa r- Rsl+ Rsl- Rsr+ Rsr- S15 S16 Sgnd Shld Spd Stsw1 Stsw2 Swgnd Tmut Tx+ Tx- Txl+ Txl- Wfl+ Wfl- Wfr+ Wfr- Radio Wiring Diagram, without Rear Entertainment, with Rear Seat Audio (2 of 3) for Lexus GX 470 2003 List of elements for Radio Wiring Diagram, without Rear Entertainment, with Rear Seat Audio (2 of 3) for Lexus GX 470 2003: 45 (behind center of dash) ik (behind right side of dash) j/c 19 (in dash harness, behind center of dash) i5 (in dash harness, behind center of dash) i6 A17 Acc Acc 7.5a Acc cut relay (on engine room r/b) Au1 Au2 Aui+ Aui- Auo+ Auo- Cd changer Cdl+ Cdl- Cdr+ Cdr- Combination switch Driver side j/b (behind lower left end of dash) Eau Engine room r/b (on left side of engine compt) H12 Headphone terminal (if equipped) Hot at all times Hot in run or start Hp1l Hp1r Hp2l Hp2r J/b 2 (behind center of dash) Mute Navigation ecu (under passenger's seat) Nca Nca nca Pnk Pnk pnk Radio no. 1 20a Radio no. 2 30a Red Red red Sgnd Txm+ Txm- Radio Wiring Diagram, without Rear Entertainment, with Rear Seat Audio (3 of 3) for Lexus GX 470 2003 List of elements for Radio Wiring Diagram, without Rear Entertainment, with Rear Seat Audio (3 of 3) for Lexus GX 470 2003: 18 (if equipped) woofer speaker Center speaker (if equipped) J/c 12 (behind left side of dash) J/c 21 (behind right side of dash) Left back door speaker (if equipped) Left front door speaker Left front door squawker speaker Left front door tweeter speaker Left rear door speaker (if equipped) Mayday ecu (on left side of cargo area) (if equipped) Pnk Pnk pnk Red Right back door speaker (if equipped) Right front door speaker Right front door squawker speaker Right front door tweeter speaker Right rear door speaker (if equipped) Radio Wiring Diagram, without Rear Entertainment, without Rear Seat Audio (1 of 3) for Lexus GX 470 2003 List of elements for Radio Wiring Diagram, without Rear Entertainment, without Rear Seat Audio (1 of 3) for Lexus GX 470 2003: 42 (in dash harness, behind center of dash) i6 Acc Ant Antenna amplifier (behind center of dash) B2+ Fl+ Fr+ Fr- Gnd I5 (in dash harness, behind instrument cluster) Instrument cluster system Ml+ Ml- Mr+ Multi-display Mute N-mu Nca Nr- Pnk Radio & player Red Rl+ Rl- Rr+ Rr- S15 S16 Sgnd Shld Spd Stereo component amplifier) (under drivers seat) Stsw1 Stsw2 Swgnd Tmut Tx+ Tx- Wfl+ Wfl- Wfr+ Wfr- Radio Wiring Diagram, without Rear Entertainment, without Rear Seat Audio (2 of 3) for Lexus GX 470 2003 List of elements for Radio Wiring Diagram, without Rear Entertainment, without Rear Seat Audio (2 of 3) for Lexus GX 470 2003: 31 (behind center of dash) ik (behind right side of dash) j/c 19 (in dash harness, behind center of dash) i5 (in dash harness, behind center of dash) i6 A17 Acc Acc 7.5a Acc cut relay (on engine room r/b) Au1 Au2 Cd changer Cdl+ Cdl- Cdr+ Cdr- Combination switch Driver side j/b (behind lower left end of dash) Eau Engine room r/b (on left side of engine compt) Gnd Hot at all times Hot in run or start J/b 2 (behind center of dash) Mute Navigation ecu (under passenger's seat) Pnk Radio no. 1 20a Radio no. 2 30a Red Txm+ Txm- Radio Wiring Diagram, without Rear Entertainment, without Rear Seat Audio (3 of 3) for Lexus GX 470 2003 List of elements for Radio Wiring Diagram, without Rear Entertainment, without Rear Seat Audio (3 of 3) for Lexus GX 470 2003: 17 (if equipped) woofer speaker Center speaker (if equipped) J/c 12 (behind left side of dash) J/c 21 (behind right side of dash) Left back door speaker (if equipped) Left front door speaker Left front door squawker speaker Left front door tweeter speaker Left rear door speaker (if equipped) Mayday ecu (on left side of cargo area) (if equipped) Pnk Red Right back door speaker (if equipped) Right front door speaker Right front door squawker speaker Right front door tweeter speaker Right rear door speaker (if equipped)
SHIFT INTERLOCK Shift Interlock Wiring Diagram for Lexus GX 470 2003 List of elements for Shift Interlock Wiring Diagram for Lexus GX 470 2003: 22 Acc Acc fuse 7.5a Driver side j/b (behind lower left end of dash) Ecu-ig1 fuse 10a Hot at all times Hot in acc or on Hot in on or start Ij (behind left center of dash) Il (behind right side of dash) J/c 14 (behind left side of dash) J/c 16 (behind right side of dash) J/c 19 (behind right side of dash) J/c 23 (below right side of dash) J/c 7 (at left end of dash) J/c 9 (at left end of dash) J28 Key interlock solenoid (on steering column, behind ignition key cylinder) Kls+ Shift lock control ecu (below center dash) Stop fuse 10a Stoplight switch (on bracket, above brake pedal) Stp
STARTING/CHARGING Charging Wiring Diagram for Lexus GX 470 2003 List of elements for Charging Wiring Diagram for Lexus GX 470 2003: 18 Alt fuse 140a Alt-s fuse 7.5a Battery Battery ground Body ecu (behind lower left end of dash in driver side j/b) C12 Charge ind Combination meter Driver side j/b (behind lower left end of dash) E20 Engine room r/b (on left side of engine compt) Gauge fuse 7.5a Generator Hot in on or start Ig1 fuse 10a J/c 22 (behind right side of dash) Junction connector 1 (on left front of engine compt, near battery) Nca Starting Wiring Diagram for Lexus GX 470 2003 List of elements for Starting Wiring Diagram for Lexus GX 470 2003: 26 Acc Am2 fuse 30a Battery Battery ground Combination meter Driver side j/b (behind lower left end of dash) E3 (in engine harness, at left side of engine compart) Eb (on left front inner fender) Engine control module (behind right end of dash) Engine room r/b (on left side of engine compt) Ignition switch J/c 17 (behind right end of dash) J/c 2 & 3 (on left front of engine compt, near battery) J/c 26 (behind center of dash) N r Nca Nsw Off Park/ neutral position switch (on right side of p transmission) Sta Sta fuse 2 7.5a Star Start Starter Starter relay Stsw
SUPPLEMENTAL RESTRAINTS Supplemental Restraints Wiring Diagram (1 of 2) for Lexus GX 470 2003 List of elements for Supplemental Restraints Wiring Diagram (1 of 2) for Lexus GX 470 2003: 68 (at base of left "b" pillar) left pretensioner (left instrument panel brace) ik (near left side of steering column) ii +sl +sr -sl -sr A27 A28 A29 Air bag sensor assembly (below center of dash) Csl+ Csl- Csr+ Csr- D2+ D2- Driver side j/b (behind lower left end of dash) Escl Escr Esl Esr Gauge fuse 7.5a Gsw2 Hot in on or start Icl+ Icl- Icr+ Icr- Ig2 L20 Lbe+ Left curtain shield air bag squib Left front air bag sensor (behind left side of front bumper cover) Left rear side air bag sensor (near top front of left rear wheelwell) Left side air bag squib Lsp+ Lsp- Mpx1 Mpx2 P2+ P2- Pl+ Pl- Pnk Pr+ Pr- Rbe+ Red Right curtain shield air bag squib Right front side air bag sensor (at base of right "b" pillar) Right pretensioner (at base of right "b" pillar) Right rear side air bag sensor (near top front of right rear wheelwell) Right side air bag squib Sfl+ Sfl- Sfr+ Sfr- Sil Srs fuse 10a Ssl+ Ssl- Ssr+ Ssr- Vucl Vucr Vupl Vupr Supplemental Restraints Wiring Diagram (2 of 2) for Lexus GX 470 2003 List of elements for Supplemental Restraints Wiring Diagram (2 of 2) for Lexus GX 470 2003: 43 (at base of left "b" pillar) bm (at base of left "b" pillar) left front side air bag sensor (at right rear of vehicle, below taillight) br (front passenger air bag assembly) air bag squib (steering wheel pad) air bag squib +sr -sr Body ecu (below left end of dash) C11 Combination meter D2+ D2- Data link connector (partial) (below left side of dash) Driver power window master switch Engine control module (behind right side of dash) Esl F/ps J/b 1 (behind center of dash) J/b 2 (behind center of dash) J/c 13 (at base of left kick panel) Lbe+ Lbe- Left buckle switch (seat position sensor) (on left seat belt buckle) Lsp+ Lsp- May day ecu (on left side of cargo area) Mpx+ Mpx- Mpx1 Mpx2 Mpx3 P2+ P2- Pnk Rbe+ Rbe- Right buckle switch (on right seat belt buckle) Right front air bag sensor (behind right side of front bumper cover) Srs Ssl+ Ssl- Sub body ecu (behind left "d" pillar, behind trim) Vupl
TRANSMISSION A/T Wiring Diagram (1 of 3) for Lexus GX 470 2003 List of elements for A/T Wiring Diagram (1 of 3) for Lexus GX 470 2003: 63 (below left side of dash) data link connector 3 (rear of left cylinder head) (under left side of dash, above accel pedal) +b1 +bm 2nd strt A late prod A/t shift indicator (center of dash) A18 Acc cut relay Accelerator position sensor At2 At4 Atd Atl B early prod Batt Center console) Center differential lock circuit Eb (left front inner fender) Efi fuse 20a Efi relay Electronically controlled transmission pattern select switch Engine control module (ecm) (behind right side of dash) Engine room r/b (left side of engine compt) Eom Epa Epa2 Etcs fuse 10a Hot at all times Igsw J/b 1 (behind center of dash) J/b 2 (behind center of dash) J/b 3 (behind right side of dash) J/c 13 (below left side of dash) J/c 14 (behind left side of dash) J/c 16 (behind right side of dash) J/c 18 (behind J/c 21 (behind right side of dash) J/c 23 (below right side of dash) J/c 24 (below J/c 7 (left end of dash) J/c 9 (left end of dash) Mil Mrel Nssd Nssl Oilw Pnk Right side of dash) Shift lock control ecu (under center console, near shifter lever) Sil Snwi Snwo Spd Stop fuse 10a Stoplight switch (on bracket, above brake pedal) Stp Vcp2 Vcpa Vpa Vpa2 Wfse A/T Wiring Diagram (2 of 3) for Lexus GX 470 2003 List of elements for A/T Wiring Diagram (2 of 3) for Lexus GX 470 2003: 39 (behind right side of dash) j/b 3 2nd strt A/t oil temp A19 Acc fuse 7.5a C10 C11 C12 Center console) Combination meter Diode (behind right side of dash) Dome fuse 10a Driver side j/b (behind lower left end of dash) E10 Eg (rear of left cylinder head) Engine room r/b (left side of engine compt) Gauge fuse 7.5a Hot at all times Hot in acc or start Hot in on or start Ig1 2 fuse 10a Ign fuse 10a J/b 2 (behind center of dash) J/c 15 (behind J/c 17 (behind J/c 19 (behind J/c 19 (behind right side of dash) J/c 19 (right side of dash) J/c 20 (behind J/c 24 (below J11 K11 Mil Park/neutral position switch (right side of transmission) Pnk Red Right side of dash) Speedo Tach A/T Wiring Diagram (3 of 3) for Lexus GX 470 2003 List of elements for A/T Wiring Diagram (3 of 3) for Lexus GX 470 2003: 41 (dash harn, behind right center of dash) (left side of trans- mission) turbine speed sensor (on trans- mission) vehicle speed sensor Accr Center differential lock circuit Driver side j/b (behind lower left end of dash) E01 E02 E03 Ee (rear of right cylinder head) Eg (rear of left cylinder head) Electronically controlled transmission solenoid (on transaxle) Engine control module (ecm) (behind right side of dash) Engine coolant temperature sensor (right front of engine) Ge01 Hot in start J/c 10 (behind center of dash) c Me01 Nca Nt+ Nt- Red Sl1+ Sl1- Sl2+ Sl2- Slt+ Slt- Slu+ Slu- Sp2+ Sp2- St2 fuse 7.5a Stsw Tfn Tho1 Tho2 Throttle control motor & throttle position sensor (on throttle body) Thw Vta1 Vta2 Center Differential Lock Wiring Diagram for Lexus GX 470 2003 List of elements for Center Differential Lock Wiring Diagram for Lexus GX 470 2003: 50 (behind right side of dash) diode (below center console) j/c 24 A/t p Acc cut relay Acc fuse 7.5a Accr Batt C/d C10 C12 Center diff lock Center differential lock control switch (forward of center console) Center differential lock ecu (behind right side of dash) Combination meter Diff fuse 20a Driver side j/b (behind lower left end of dash) Ee (rear of right cylinder head) Efi fuse 20a Efi relay Engine control module (behind right side of dash) Engine room r/b (left side of engine compt) Ex14 Gauge fuse 7.5a Gnd Gnd1 Gnd2 Hot at all times Hot in acc or start Hot in on or start Ig1 2 fuse 10a Ind J/b 2 (behind center of dash) J/c 16 (behind right side of dash) J/c 19 (behind right side of dash) J/c 20 (behind right side of dash) J/c 23 panel j/b (below right side of dash) J/c 26 (behind center of dash) J13 Park/neutral position switch (right side of transmission) Red S10 ex1 Skid control ecu (behind left end of dash) Tfn Tl2 Tl3 Tm1 Tm2 Transfer actuator (on trans- mission) Transfer l4 position detection switch (on trans- mission) Transfer neutral position switch (on trans- mission)
WARNING SYSTEMS Warning Systems Wiring Diagram for Lexus GX 470 2003 List of elements for Warning Systems Wiring Diagram for Lexus GX 470 2003: 48 A13 Acc Acc fuse 7.5a B11 B12 B23 B24 Back door courtesy Bcty Bm (base of left "b" pillar) Body ecu Br (below right taillight) Buzzer C11 C12 Combination meter Dbkl Dcty Dome fuse 10a Door ind Driver side j/b (behind lower left end of dash) Drlp Ecu-ig fuse 10a Eg (rear of left cylinder head) Engine room r/b (on left side of engine compt) Front passenger seat belt warning light Gauge fuse 7.5a Hot at all times Hot in acc or on Hot in on or start Ig1 no.2 fuse 10a Interior lights system J/c no 16 (behind right side of dash) J/c no 17 (behind right side of dash) J/c no. 1 (left side of engine compartment) Left buckle switch (on left seat belt buckle) Left front door courtesy switch Left rear door courtesy switch Occupant detection sensor (under right front seat) Pcty Red Right buckle switch (on right seat belt buckle) Right front door courtesy switch Right rear door courtesy switch Rlcy Rrcy Seat belt ind Sig
WIPER/WASHER Front Wiper/Washer Wiring Diagram, with Rain Sensor (1 of 2) for Lexus GX 470 2003 List of elements for Front Wiper/Washer Wiring Diagram, with Rain Sensor (1 of 2) for Lexus GX 470 2003: 44 (at left side of engine compt) ee (behind center of dash) junction connector 14 (on left inner fender panel) engine room j/b A45 Acc cut relay (on engine room r/b) Acc fuse 7.5a Auto B17 B34 B39 C14 C15 Combination meter Combination switch Diode (back-up light) (behind right side of dash) Driver side j/b (behind lower left side of dash) E22 Eb (on left front inner fender) Engine room j/b (on left inner fender panel) Fr wip-wsh fuse 30a Front washer switch Front wiper motor (at left rear of engine compartment) Front wiper switch High Hot in on or accy Hot in on or start I3 (behind left side of dash) I6 (behind center of dash) Ig1 fuse 2 10a Ij (behind left center of dash) J/b 1 (behind center of dash) Junction connector 19 (behind right side of dash) Junction connector 2 (on left front inner fender) Junction connector 24 (under front of center console) Junction connector 5 (at right front corner of engine compartment) Left kick panel j/b (at left kick panel) Low Met fuse 7.5a Off Park/neutral position switch (on right side of transmission) Q33 Washer ind Washer level warning switch (washer motor) (at left front of engine compt, below headlight) Washer motor (on washer fluid reservoir) Front Wiper/Washer Wiring Diagram, with Rain Sensor (2 of 2) for Lexus GX 470 2003 List of elements for Front Wiper/Washer Wiring Diagram, with Rain Sensor (2 of 2) for Lexus GX 470 2003: 68 (behind left end of dash) A16 Becu Body ecu C11 Combination Dac relay Dome fuse 10a Driver side j/b (behind lower left side of dash) E12 E24 Eb (on left front inner fender) Ecu-b fuse 10a Ecu-ig fuse 10a Eg (on rear of left cylinder head) Engine room r/b (on left side of engine compt) Evr Gauge fuse 7.5a Gnd Gnd1 Gnd2 Hot at all times Hot in on or start I8 (behind upper right side of dash) J/b 1 (behind center of dash) J/b 2 (behind center of dash) J12 Junction connector (at left kick panel) Junction connector 1 (at left side of eng compt) Junction connector 14 (behind center of dash) Junction connector 20 (behind right side of dash) Junction connector 22 (behind right side of dash) Junction connector 23 (at right kick panel) Junction connector 7 Junction connector 9 (behind left end of dash) Key interlock solenoid unlock warning switch (at right side of steering column) Ksw Meter Mpx Mpx1 Mpx2 Mpx3 Parking brake switch (at base of brake lever assembly) Pkb Rain sensor (at top center of front windshield) Red Sht Sig Sim Sis Skid control ecu (behind left end of dash) Skid control ecu (behind left end of dash, above driver side j/b) Sp1 Spd Speedo meter Stop fuse 10a Stop light switch (on bracket above brake pedal) Stp Stpo Wash Washer Washer level sensor (on washer fluid reservoir) Wig Wiper relay (behind right side of dash) Wsau Wse Wshi Wslo Front Wiper/Washer Wiring Diagram, without Rain Sensor for Lexus GX 470 2003 List of elements for Front Wiper/Washer Wiring Diagram, without Rain Sensor for Lexus GX 470 2003: 29 (at left rear of engine compartment) (behind center of dash) j/b 1 (behind lower A19 C14 Combination switch Driver side j/b E22 Eb (on left front inner fender) Fr wip-wsh fuse 30a Front washer switch Front wiper motor Front wiper switch High Hot in on or start Ij (behind left center of dash) Int Int time Junction connector 14 (behind left side of dash) Junction connector 2 (at left side of engine compt) Junction connector 5 (at right front engine compt) Left end of dash) Low Off Red Short pin s6 Short pin s7 (behind upper right side of dash) Solid state Washer motor (at right front of engine compartment, on washer fluid reservoir) Rear Wiper/Washer Wiring Diagram for Lexus GX 470 2003 List of elements for Rear Wiper/Washer Wiring Diagram for Lexus GX 470 2003: 62 (behind left end of dash) body ecu Air bag sensor assembly (behind right side of front bumper cover) B13 Becu Bp (at left rear of vehicle, below taillight) Bq (at center of rear hatch) C11 Combination meter Combination switch Dome fuse 10a Driver side j/b (behind lower left end of dash) Ecu-b fuse 10a Ecu-ig fuse 10a Eg (at rear of left cylinder head) Engine room j/b (on left side of eng compt) F11 Gauge fuse 7.5a Gnd Gnd1 Gnd2 Hot at all times Hot in on or start Ih (behind left end of dash) Ij (behind left center of dash) Int Junction connector 1 (at left side of engine compt) Junction connector 11 (at left kick panel) Junction connector 14 (behind left center of dash) Junction connector 22 (behind right side of dash) Junction connector 31 (at left rear of vehicle) Junction connector 32 (at left rear of vehicle) Mpx+ Mpx- Mpx1 Mpx2 Mpx3 Off Pnk Power window master switch Rear wiper motor (on center of liftgate) Rear wiper/ washer switch Red Rr washer fuse 15a Rr wiper fuse 15a Rwlm Rwsm S10 S26 S27 Sig Skid control ecu (behind left end of dash, above driver side j/b) Sp1 Spd Speedo meter Sub body ecu (below left "d" pillar, behind trim) Washer 1 Washer 2 Washer motor (on washer fluid reservoir) Wiper relay (behind right side of dash) Wrin Wrlo Wrsw
