Diagram sections — 34 (70 total)
AIR CONDITIONING ANTI-LOCK BRAKES ANTI-THEFT BODY COMPUTER COMPUTER DATA LINES COOLING FAN CRUISE CONTROL DEFOGGERS ELECTRONIC POWER STEERING ENGINE PERFORMANCE EXTERIOR LIGHTS GROUND DISTRIBUTION HEADLIGHTS HORN INSTRUMENT CLUSTER INTERIOR LIGHTS MEMORY SYSTEMS NAVIGATION PASSIVE RESTRAINTS POWER ANTENNA POWER DISTRIBUTION POWER DOOR LOCKS POWER MIRRORS POWER SEATS POWER TOP/SUNROOF POWER WINDOWS RADIO SHIFT INTERLOCKS STARTING/CHARGING SUPPLEMENTAL RESTRAINTS TRANSMISSION TRUNK, TAILGATE, FUEL DOOR WARNING SYSTEMS WIPER/WASHER
AIR CONDITIONING Air Conditioning Wiring Diagrams (1 of 2) for Lexus GS 430 2002 List of elements for Air Conditioning Wiring Diagrams (1 of 2) for Lexus GS 430 2002: 92 (4.3l) combination switch (a/c sub wire harn, behind center of dash) i2 (behind left side of dash) gateway ecu (behind left side of dash) tilt & telescopic ecu (behind right side of dash) air inlet control servo motor (engine harn, in ecu box) e4 (left front strut tower) eb (upper right side of dash) ii 3.0l 4.3l A/c control assembly (behind center of dash) A/c dual pressure switch A/c room temperature sensor (behind center of dash) A/c solar sensor (at upper right side of dash) A/c thermistor (behind center of dash) A/c triple pressure switch (at upper left radiator support) A10 A11 A12 A13 A14 A15 A16 A17 A18 A19 A20 A21 A22 Acc Acmg Aif Air Air mix control servo motor (driver side) (behind center of dash) Air vent mode control servo motor (behind right side of dash) Amcdr Amcpa Amhdr Amhpa Aod Aof B10 B11 B12 B13 B14 B15 B16 Blw Dgs Driver side j/b (behind left kick panel) Ecu-b2 fuse 5a Engine control module (left side of engine compt, in ecu box) Etam F13 Gnd Hot at all times Hot in acc or on I1 dash harn, behind combination meter) I2 (a/c sub wire harn, behind center of dash) Ill Instrument panel j/b (behind upper center of dash) Interior lights system J/c 17 (behind upper right side of dash) J/c 18 (behind right kick panel) Lcki Mfrs Mpx+ Mpx- Mpx2 Mrec Passenger side j/b (behind right kick panel) Pre Radio n0 2 fuse 15a Red S5-2 S5-3 S5-4 Sg-1 Sg-3 Sg-4 Sg-5 Steering pad switch Tam Tel in Telephone transceiver & speaker relay (at right side of luggage compartment) Tpdr Tpi Tpo Tppa Tsdr Tspa Air Conditioning Wiring Diagrams (2 of 2) for Lexus GS 430 2002 List of elements for Air Conditioning Wiring Diagrams (2 of 2) for Lexus GS 430 2002: 46 (left front strut tower) eb (upper right side of dash) ii 3.0l 4.3l A/c ambient temperature sensor (near top left side of radiator support) A/c comp relay A/c condenser fan motor (in front left side of radiator) A/c magnetic clutch & lock sensor (on a/c compressor) A/c single pressure switch A/c triple pressure switch (at upper left radiator support) Air mix control servo motor (front passenger side) (behind right side of dash) Blower motor (right side of dash) Blower motor controller (behind right side of dash) Body ecu 1 Cds fan fuse 30a Combination meter) Driver side j/b (behind left kick panel) Ed (rear of left cyl head) Ed (rear side of intake manifold) Engine room r/b 1 (on right side of engine compartment, behind strut tower) Engine room r/b 3 (on left side of engine compartment, front of strut tower) Exhaust gas sensor (at left front of engine compartment) F12 Fan 1 relay Fan 2 relay Fan 3 relay Gas Gnd Heater fuse 10a Heater fuse 50a Hot at all times Hot in on or start Htr relay Ig (upper left side of dash) Ign fuse 5a J/c 13 (behind left side of dash) J/c 14 (behind left side of dash) J/c 17 (upper right side of dash) J/c 2 (in ecu box) J/c 26 (in ecu box) Passenger side j/b (behind right kick panel) Passenger side r/b (behind right kick panel) Radiator fan motor (left front of engine compt) Rdi fan fuse 30a Red Water temperature switch (at front of engine compartment, behind left side of grille)
ANTI-LOCK BRAKES Anti-lock Brake Wiring Diagrams (1 of 3) for Lexus GS 430 2002 List of elements for Anti-lock Brake Wiring Diagrams (1 of 3) for Lexus GS 430 2002: 51 A10 A11 A12 A19 A22 Abs & trac & vsc actuator (at left rear corner of engine compt) Abs & trac & vsc ecu (behind left side of dash) Abs 1 fuse 60a Abs 2 fuse 40a Abs motor relay Abs sol relay Ast Braided Ea (right front strut tower) Ee (under abs/ trac/ vsc actuator) Engine room r/b 1 (on right side of engine compt, behind strut tower) Engine room r/b 2 (on left side of engine compt, behind strut tower) Fl+ Fl- Fr+ Fr- Fss Grd1 Grd2 Hot at all times Junction connector j/c 5 (in engine room r/b 2) Junction connector j/c 6 (left kick panel) Mr1 Mr2 Mt+ Mt- Mtt Pmc Pnk R1+ R2+ Red Sa1 Sa2 Sa3 Sflh Sflr Sfrh Sfrr Srlh Srlr Srrh Srrr Str Trac motor relay Vcm Anti-lock Brake Wiring Diagrams (2 of 3) for Lexus GS 430 2002 List of elements for Anti-lock Brake Wiring Diagrams (2 of 3) for Lexus GS 430 2002: 34 (at left side of engine compt, behind ecu box) data link connector 1 (behind left side of dash) data link connector 3 (or red) (upper right end of dash) junction connector j/c 17 3.0l 4.3l A19 Body ecu 2 Braided Brake fluid level warning switch (in brake fluid reservoir) Driver side j/b (behind left kick panel) Ecu-ig fuse 15a Hot at all times Hot in run or start Ig (upper left side of dash) Ii (upper right side of dash) Junction connector j/c 1 (under ecu box) Junction connector j/c 10 (behind left side of dash) Junction connector j/c 15 (behind left side of dash) Junction connector j/c 3, j/c 4 (under ecu box) Junction connector j/c 6 (left kick panel) Junction connector j/c 7 (left kick panel) Junction connector j/c 9 (behind left side of dash) Left front abs speed sensor (left front wheel assembly) Master cylinder pressure sensor (at left rear corner of engine compartment) Park/neutral position switch (on transmission) Pnk Red Right front abs speed sensor (right front wheel assembly) Steering sensor (combination switch) Stop fuse 15a Stoplight switch (on brake pedal bracket) Vsc off switch Vsc warning buzzer (behind left side of dash) Anti-lock Brake Wiring Diagrams (3 of 3) for Lexus GS 430 2002 List of elements for Anti-lock Brake Wiring Diagrams (3 of 3) for Lexus GS 430 2002: 64 (behind left side of dash) junction connector j/c 9 (or pnk) (upper right end of dash) junction connector j/c 17 A20 A21 Abs & trac & vsc ecu (behind left side of dash) Abs deceleration sensor (under rear of center console) Abs indic B11 B13 B14 B15 B16 B17 Braided Brake indic Brl Combination meter Csw D/g Driver side j/b (bhind left kick panel) Eng+ Eng- Engine control module (at left side of engine compt, in ecu box) Flo Gauge fuse 10a Ggrd Gl1 Gl2 Grd3 Grd4 Gss Gyaw Headlights system Hot in run or start Ig1 Ig2 Ign fuse 5a Ind Junction connector j/c 14 (behind left side of dash) Left rear abs speed sensor (left rear wheel assembly) Neo Pnk Red Right rear abs speed sensor (right rear wheel assembly) Rl+ Rl- Rr+ Rr- Slip indic Sp1 Ss1+ Ss1- Stp Trc+ Trc- Vgs Vsc indic Vsc off indic Vscw Vys Yaw Yaw rate sensor (under rear of center console) Yss
ANTI-THEFT Anti-theft Wiring Diagram (1 of 3) for Lexus GS 430 2002 List of elements for Anti-theft Wiring Diagram (1 of 3) for Lexus GS 430 2002: 60 (dash harn, right side of dash) A13 A15 A17 A19 B14 B15 Bdr Becu Body ecu 2 C12 C18 Computer data lines system Cpub Cty Ctye D fr fuse 20a D rr door fuse 20a Driver door ecu (in driver's door) Driver side j/b (behind left kick panel) Driver side side j/b (behind left kick panel) Ecu-ig fuse 15a Engine room r/b 1 (right side of engine compt) Exterior lights system F13 Grd Gswo H10 H11 H13 Headlights system Hot at all times Hot in on or accy Hot in on or start Hrly Ii (upper right side of dash) Ile Interior lights system J/c 13 (behind left side of dash) J/c 17 (upper right side of dash) J/c 6 (left kick panel) Junction connector j/c 10 (behind left side of dash) Junction connector j/c 7 (left kick panel) Junction connector j/c 8 (behind left kick panel) Kul Left door lock control switch (power window master switch) Left front door courtesy switch Left front door lock motor, door key lock & unlock switch & door lock detection switch Lock Lock detect Lsw Lswe Mpx1 Mpx2 Mul Pwe Radio 2 fuse 15a Sig Trly Unlk Anti-theft Wiring Diagram (2 of 3) for Lexus GS 430 2002 List of elements for Anti-theft Wiring Diagram (2 of 3) for Lexus GS 430 2002: 59 Ant1 Ant2 Batt Bdr Bj (under left c-pillar) Bl (center of rear shelf) Code Cpub Cty Ctye D23 D24 Diode (luggage compartment door open detection) (at left side of luggage compt) E11 E13 E30 E31 Eb (left front strut tower) Ecu- b2 fuse 10a Ee (under abs/ trac/vsc actuator) Efi fuse 25a Efi relay Engine control module (left side of engine compt, in ecu box) Engine hood courtesy switch Engine room r/b 1 (right side of engine compt) Gnd Grd Hot at all times Imld J/c 10 (left side of dash) J/c 20 (above left rear wheel- well) J/c 5 (in engine room r/b 2) J/c 6 (left kick panel) J/c 9 (left side of dash) Key coil Ksw Left rear door courtesy switch Left rear door ecu (in left rear door) Left rear door lock motor & door lock detection switch Lock detect Lsw Lswe Luggage compartment door courtesy switch & opener motor Luggage compartment door key unlock switch Mpx1 Mpx2 Mrel Passenger side j/b (right kick panel) Power seat ecu (under driver's seat) Right rear door courtesy switch Right rear door ecu (in right rear door) Right rear door lock motor & door lock detection switch Rxck Sig Transponder key amplifier (in steering column) Txct Unlock warning switch W/ memory seats W/o memory seats Anti-theft Wiring Diagram (3 of 3) for Lexus GS 430 2002 List of elements for Anti-theft Wiring Diagram (3 of 3) for Lexus GS 430 2002: 81 (at right side of luggage compartment) wireless door lock control ecu (left rear corner of engine compt) wireless door lock buzzer A10 A12 A13 A15 A16 A18 A19 A22 A25 Acc B14 B15 Bdr Becu Body ecu 1 Bsub Bzr Bzr2 C12 C15 C16 C17 Combi- nation meter Computer data lines system Cpub Cty Ctye Dle Dome fuse 10a Ecu- b3 fuse 20a Engine room r/b 1 (right side of engine compt) Exterior lights system F11 F13 Front passenger door ecu (in passenger's door) Grd Gsw H11 H13 Haz Hcty Horn Horns system Hot at all times Ii (upper right side of dash) Ind J/c 14 (behind left side of dash) J/c 22 (under right "c" pillar) Junction conenctor j/c 6 (left kick panel) Junction connector j/c 10 (behind left side of dash) Junction connector j/c 15 (behind left side of dash) Junction connector j/c 17 (upper right end of dash) Kul Lgcy Lock Lock detect Lsw Lswe Mpx1 Mpx2 Mul P fr fuse 20a P rr door fuse 20a Passenger side j/b (behind right kick panel) Passenger side junction block (behind lower right end of dash) Pnk Pws Rco Rda Right front door courtesy switch Right front door lock control switch Right front door lock motor, door key lock & unlock switch & door lock detection switch Rssi Security indicator (rheostat) Sig Theft deterrent horn (at right front of engine compt) Tkul Tr+ Unlk
BODY COMPUTER Body Computer Wiring Diagrams (1 of 2) for Lexus GS 430 2002 List of elements for Body Computer Wiring Diagrams (1 of 2) for Lexus GS 430 2002: 69 (left kick panel) junction connector j/c 7 4.3l only A/c control assembly (behind center of dash) Acan Altl Auto Automatic light control sensor Batt Becu Blvl Body ecu no. 2 (in driver side j/b) Brake fluid level warning switch C13 C16 Central airbag sensor assembly (behind center of dash, forward of center console) Clock (in multi-display) Cltb Clte Clts Combination meter Combination switch (foglight switch) Combination switch (headlight switch) Daytime running light relay (main) Dbkl Driver side j/b (behind left kick panel) Ecu-ig fuse 15a Engine control module (at left side of engine compt, in ecu box) Ffgo Ffog Fog relay Grd H11 H13 Head Head lp relay Hot in run or start Hrly I1 (behind instrument panel) I6 (upper right end of dash) Ile Interior lights Junction connector j/c 15 (left side of dash) Junction connector j/c 6 (left kick panel) Junction connector j/c 9 (behind left side of dash) Ksw Left buckle switch Light failure module Mirb Mire Mirs Mpd1 Mpd2 Mpx Mpx+ Mpx- Mpx1 Mpx2 Multi-display Not used Red Remote control mirror switch Steering pad switch (in combination switch) Stoplight switch Stpi Tail Tail relay Tilt & telescopic ecu (behind left side of dash) Trly Unlock warning switch (behind left side of dash) Body Computer Wiring Diagrams (2 of 2) for Lexus GS 430 2002 List of elements for Body Computer Wiring Diagrams (2 of 2) for Lexus GS 430 2002: 79 Acc Becu Body ecu no. 1 (in passenger side j/b) Bsub Bzr Bzr2 Cpub D24 Data link connector 3 Dfg Diode (luggage compartment door open detect switch) Driver door ecu (in driver's door) Driver side j/b (behind left kick panel) Ecu-b2 fuse 10a Ecu-b3 fuse 20a Electronically controlled transmission pattern select switch Engine hood courtesy switch F11 F12 Front passenger door ecu (in right front door) Grd H10 H11 H13 Haz Hazard switch Hcty Horn Horn relay Hot at all times Hot in acc or run Htr relay I6 (dash harn, right side of dash) Ii (upper right side of dash) Ind Junction connector j/c 13 (left side of dash) Left rear door ecu (in left rear door) Lgcy Luggage compartment door courtesy switch and opener motor Luggage compartment door key unlock switch Luggage compartment door opener switch Mir relay Mirror retraction switch Moon roof control ecu Mpx1 Mpx2 Not used Obd2 P19 Parking brake switch (behind left side of dash) Passenger side j/b (behind right kick panel) Pbkl Pkb Pnk Power seat ecu (under driver's seat) Power window master switch Pwr Pws R12 R13 Radio no. 2 fuse 15a Rco Rda Ret Right front door lock switch Right rear door ecu (in right rear door) Rssi Seat Seat belt warning occupant detection sensor Security indicator (rheostat) Snow Theft deterrent horn Tkul Tr+ Tsw W/ memory W/o memory Wireless door lock buzzer Wireless door lock ecu
COMPUTER DATA LINES Data Link Connector Wiring Diagram for Lexus GS 430 2002 List of elements for Data Link Connector Wiring Diagram for Lexus GS 430 2002: 43 (3.0l) (4.3l) (behind left side of dash) j/c 9 (dash harn, behind left side of dash) i9 (rear side of intake manifold) ed 4.3l A20 A21 Abs & trac & vsc ecu (behind left side of dash) Anti-lock brake system (abs sol relay) Bat Body ecu 1 (in passenger side j/b) C12 C13 Center air bag sensor assembly (behind center of dash) Combination meter D/g Data link connector 1 (left side of engine compt, behind ecu box) Data link connector 3 (behind left side of dash) Driver side j/b Ed (rear side of intake manifold) Engine control module (at left side of engine compt, in ecu box) Engine controls system (efi relay) F13 H12 Hot at all times Ig- Ignitor (left rear of engine compt, Ii (upper right side of dash) J/c 1 (in ecu box) J/c 10 (behind left side of dash) J/c 14 (behind left side of dash) Nca Obd fuse 7.5a Obd2 Passenger side j/b Pnk Short pin Sil Tac Tach Wfse Wsfe High/Low Bus Wiring Diagram for Lexus GS 430 2002 List of elements for High/Low Bus Wiring Diagram for Lexus GS 430 2002: 46 4.3l A/c control assembly (behind center of dash) A13 Body ecu 1 Body ecu 2 C13 C16 Center air bag sensor assembly (behind center of dash) Combination meter D24 Driver door ecu Driver side j/b Engine control module (at left side of engine compt, in ecu box) F11 Front passenger door ecu Gateway ecu (behind left side of dash) Gtx+ Gtx- H11 I1 (dash harn, (behind left side of dash) Left rear door ecu Moon roof control ecu (front of moon roof opening) Mpd1 Mpd2 Mpx+ Mpx- Mpx1 Mpx2 Multi-display P19 Passenger side j/b Power seat ecu (under driver's seat) R12 R13 Radio & player Right rear door ecu Steering pad switch Tilt & telescopic ecu (behind left side of dash) Tx+ Tx- Tx3+ Tx3- W/ memory W/ navigation W/o memory W/o navigation
COOLING FAN Cooling Fan Wiring Diagram for Lexus GS 430 2002 List of elements for Cooling Fan Wiring Diagram for Lexus GS 430 2002: 36 A/c comp relay A/c condenser fan motor (on front left side of radiator) A/c control assembly A/c single pressure switch A/c triple pressure switch (at upper left radiator support) A13 Acmg Air conditioning system Cds fan fuse 30a Driver side j/b (behind left kick panel) Eb (left front strut tower) Ee (under abs/ trac/vsc actuator) Engine control module (at left side of engine compt, in ecu box) Engine main relay Engine room r/b 1 (on right side of engine compt, behind strut tower) Engine room r/b 3 (on left side of engine compt, front of strut tower) Fan 1 relay Fan 2 relay Fan 3 relay Fan main fuse 50a Heater fuse 10a Hot at all times Hot in on or start Htr relay Ig (upper left side of dash) Ign fuse 5a J/c 13 (behind left side of dash) J/c 14 (behind left side of dash) J/c 5 (in engine room r/b 2) Mpx+ Mpx2 Passenger side j/b (behind right kick panel) Radiator fan motor (at left front engine compt) Rdi fan fuse 30a Red Water temperature switch (at front of engine compt, behind left side of grille)
CRUISE CONTROL Cruise Control Wiring Diagram for Lexus GS 430 2002 List of elements for Cruise Control Wiring Diagram for Lexus GS 430 2002: 76 (behind ecu box) (in ecu box) (left front strut tower) eb (left kick panel) j/c 6 (rear of left cylinder head) (rear of right cylinder head) +b1 +bm A/t indicator light switch Accel pedal position sensor (behind left side of dash) Batt C12 C13 Cancel Ccs Combination meter Computer data lines system Cpu Cruise control switch Cruise ind Data link connector 1 Driver side j/b Driver side junction block E01 E02 E03 Ee (under abs/trac/ vsc actuator) Efi fuse 25a Efi relay Engine control module (left side of engine compt, in ecu box) Engine room relay block 1 Eom Epa Eptk Eta Etcs fuse 15a F13 Gauge fuse 10a Ge01 Hot at all times Hot in on or start Ign fuse 5a Igsw Ii (upper right side of dash) J/c 11 (left side of dash) J/c 14 (behind left side of dash) J/c 17 (behind right side of dash) J/c 26 (in ecu box) J/c 27 (behind left kick panel) J/c 3 J/c 3 (in ecu box) J/c 4 J/c 4 (in ecu box) J/c 5 (in engine room relay block 2) J/c 7 (behind left kick panel) J/c 9 (behind left side of dash) Main Me01 Mpx2 Mrel Red Res/ acc Set/ coast Shield Sti- Stop fuse 15a Stoplight switch (on brake pedal bracket) Stp Throttle control motor (on throttle body) Throttle position sensor (on throttle body) Vcpa Vpa Vpa2 Vptk Vta Vta2
DEFOGGERS Heated Mirrors Wiring Diagram for Lexus GS 430 2002 List of elements for Heated Mirrors Wiring Diagram for Lexus GS 430 2002: 28 (behind right kick panel) passenger side junction block (upper right side of dash) ii A/c control assembly (behind center of dash) A13 A19 Alt fuse 120a Body ecu 1 D20 D21 Driver side junction block (behind left kick panel) Engine control module (at left side of engine compt, in ecu box) Engine room relay block 1 (on right side of engine compt, behind strut tower) F13 H10 Heater fuse 10a Hot at all times Hot in on or start Ii (upper right side of dash) J/c 10 (behind left side of dash) J/c 13 (behind left side of dash) J/c 17 behind upper right side of dash) J/c 6 (left kick panel) Left remote control mirror heater Mir htr fuse 10a Mir htr relay R16 R17 Right remote control mirror heater Rear Defogger Wiring Diagram for Lexus GS 430 2002 List of elements for Rear Defogger Wiring Diagram for Lexus GS 430 2002: 20 A/c control assembly (behind center of dash) A13 A19 Body ecu 1 D20 D21 Def relay (in passenger side relay block) Defog fuse 30a Defogger Driver side junction block (behind left kick panel) Engine control module (at left side of engine compt, in ecu box) Heater fuse 10a Hot at all times Hot in on or start Ii (upper right side of dash) J/c 13 (behind left side of dash) Noise filter Passenger side junction block (behind right kick panel) Rear window defogger Red
ELECTRONIC POWER STEERING Electronic Power Steering Wiring Diagram for Lexus GS 430 2002 List of elements for Electronic Power Steering Wiring Diagram for Lexus GS 430 2002: 22 3.0l 4.3l C12 C13 Combination meter Driver side j/b (behind left kick panel) Ecu-ig fuse 15a F13 Gauge fuse 10a Hot in on or start Ii (upper right side of dash) J/c 10 (upper left end of dash) J/c 13 (left side of dash) J/c 17 (upper right end of dash) J/c 6 (left kick panel) J/c 7 (left kick panel) Pps ecu (behind left side of dash) Pps solenoid (at left front of engine) Pps solenoid (at right front of engine) Sol+ Sol- Spd Power Steering Column Wiring Diagram for Lexus GS 430 2002 List of elements for Power Steering Column Wiring Diagram for Lexus GS 430 2002: 50 (dash harn, right side of dash) i6 Acc Bdr Becu Body ecu 1 Body ecu 2 Combination switch Computer data lines system Cpub D fr fuse 20a D22 D24 Driver door ecu (in driver's door) Driver side j/b (behind left kick panel) Ecu-b2 fuse 10a Ecu-ig fuse 15a Ecub Ecue Engine room no.1 r/b (on right side of eng compt, behind strut tower) F11 F13 Gnd H10 H11 Hot at all times Hot in accy or run J/c 10 (left side of dash) J/c 13 (left side of dash) J/c 15 (behind left side of dash) J/c 6 (behind left kick panel) J/c 7 (behind left kick panel) Mpx1 Mpx2 Msw P p/seat fuse 30a Passenger side j/b (behind right kick panel) Power telescopic motor Power tilt motor Radio 2 fuse 15a Sig Telesco long Telesco short Tem+ Tem- Tilt & telescopic ecu (behind left side of dash) Tilt & telescopic switch Tilt down Tilt up Tim+ Tim-
ENGINE PERFORMANCE
4.3L 4.3L, Engine Performance Wiring Diagrams (1 of 6) for Lexus GS 430 2002 List of elements for 4.3L, Engine Performance Wiring Diagrams (1 of 6) for Lexus GS 430 2002: 75 (in steering column) transponder key amplifier (upper right side of dash) +b1 +bm A/c system Abs & trac & vsc ecu (behind left side of dash) Accelerator pedal position sensor (behind left side of dash) Acmg Anti-theft system (security indicator) Anti-theft system (unlock warning switch) Batt Braided C12 C13 Ccs Code Combination meter Computer data lines system Cpu Cruise control system Data link connector 3 (below left side of dash) Eb (left front strut tower) Ect pwr Ect snow Eng+ Eng- Engine control module (ecm) (at left side of engine compt, in ecu box) Eom Ep1 Ep2 Epa Eptk Etam Fpc Htl2 Htr2 Igsw Imld J/c 27 (behind left kick panel) J/c 9 (behind left side of dash) Ksw Mil ind Mpx1 Mpx2 Mrel Neo Oxl2 Oxr2 Pnk Pre Ptnk Red Rxck Sil St- Sta Stp Tach Tachometer Tam Tbp Trc+ Trc- Txct Vapor pressure sensor (under left rear of vehicle) Vcc Vcp1 Vcp2 Vcpa Vpa Vpa1 Vpa2 Vptk Wfse Wsfe 4.3L, Engine Performance Wiring Diagrams (2 of 6) for Lexus GS 430 2002 List of elements for 4.3L, Engine Performance Wiring Diagrams (2 of 6) for Lexus GS 430 2002: 27 (behind left kick panel) j/c 7 (behind upper right side of dash) j/c 17 B3 (body harn, forward of left rear wheelwell) Braided Data link connector 1 (behind ecu box) Driver side j/b (behind left kick panel) Ee (under abs & trac & vsc actuator) Efi fuse 25a Efi relay Engine room r/b 1 (on right side of engine compt, behind strut tower) Etcs fuse 15a Fp+ Fp- Fpc Fuel pump & sender (in fuel tank) Fuel pump control ecu (at left side of luggage compt) Gauge fuse 10a Hot at all times Hot in on or start J/c 11 (behind left side of dash) J/c 14 (behind left side of dash) J/c 20 (above left rear wheelwell) J/c 3, j/c 4 (in ecu box) Red Stop fuse 15a Stoplight switch Vsv (vapor pressure sensor) (under left rear of vehicle) 4.3L, Engine Performance Wiring Diagrams (3 of 6) for Lexus GS 430 2002 List of elements for 4.3L, Engine Performance Wiring Diagrams (3 of 6) for Lexus GS 430 2002: 43 (behind left side of dash) j/c 15 (engine harn, in ecu box) (generator) charging system (in ecu box) j/c 3, j/c 4 (on transmission) park/neutral position switch Acc Braided Driver side j/b (behind left kick panel) Eknl Engine control module (ecm) (at left side of engine compt, in ecu box) Eoil Eol1 F10 Hot at all times Htl Ign fuse 5a Ignition switch Knkl Knkr Knock sensor 1 (on top center of engine) Knock sensor 2 (on top center of engine) Lock Mol Nco+ Nco- O/d direct clutch speed sensor (on transmission) Oil Oxl1 P/n Pnk Red Sln+ Sln- Slt+ Slt- Slu+ Slu- Sp2+ Sp2- Start Starter fuse 5a Starting system (starter relay) Vehicle speed sensor (on transmission) 4.3L, Engine Performance Wiring Diagrams (4 of 6) for Lexus GS 430 2002 List of elements for 4.3L, Engine Performance Wiring Diagrams (4 of 6) for Lexus GS 430 2002: 26 (behind left side of dash) j/c 9 (in ecu box) j/c 3, j/c 4 (on right front of engine) engine oil level sensor (on transmission) a/t indicator light switch (integral to park/neutral position switch) (under center console, near selector lever) shift lock control ecu At4 Atl Braided Ec (rear of right cyl head) Ed (rear of left cyl head) Electronically controlled transmission solenoid (in transmission) J/c 26 (in ecu box) J/c 3, j/c 4 (in ecu box) J/c 9 (behind left side of dash) Level Nssd Nssl Pnk Red Sln+ Sln- Slt+ Slt- Slu+ Slu- Temp 4.3L, Engine Performance Wiring Diagrams (5 of 6) for Lexus GS 430 2002 List of elements for 4.3L, Engine Performance Wiring Diagrams (5 of 6) for Lexus GS 430 2002: 34 (engine harn, e1 (engine harn, top left side of engine) (in ecu box) j/c 25 (in passenger side j/b) body ecu 1 (on top right side of engine) noise filter (ignition 1) Braided E2g Ed (rear of left cyl head) Electronically controlled transmission pattern select switch Engine coolant temperature sensor (on top right side of engine) Fuel inj 1 Fuel inj 2 Fuel inj 3 Fuel inj 4 Fuel inj 5 Fuel inj 6 Fuel inj 7 Fuel inj 8 Heated oxygen sensor (bank 1 sensor 1) (on left side of engine, in exhaust manifold) Heated oxygen sensor (bank 1 sensor 2) (on exhaust system, near catalytic conv) Heated oxygen sensor (bank 2 sensor 1) (on right side of engine, in exhaust manifold) Heated oxygen sensor (bank 2 sensor 2) (on exhaust system, near catalytic conv) Ii (upper right side of dash) Mass airflow (maf) meter (on right side of engine compt, in air intake duct) Mpx1 Pnk Pwr Red Snow Tha Top rear of engine) Vsv (acis) (on top right rear of engine) Vsv (canister closed valve) (on right side of engine) Vsv (evap) (on top rear of engine) 4.3L, Engine Performance Wiring Diagrams (6 of 6) for Lexus GS 430 2002 List of elements for 4.3L, Engine Performance Wiring Diagrams (6 of 6) for Lexus GS 430 2002: 76 (at top left rear of engine) noise filter (ignition 2) (engine harn, top left side of engine) (engine harn, top rear of engine) (in ecu box) j/c 25 A/c system Acis Braided Camshaft position sensor (on left front of engine) Ccv Crankshaft position sensor (on left front of engine) E01 E02 E03 Ec (rear of right cyl head) Ed (rear of left cyl head) Eg2 Ene Engine control module (ecm) (at left side of engine compt, in ecu box) Eor1 Eta Etha Ethw Evg Evvl Evvr G2- Ge01 Htr If1l If1r If2l If2r Ignition coil & igniter 1 Ignition coil & igniter 2 Ignition coil & igniter 3 Ignition coil & igniter 4 Ignition coil & igniter 5 Ignition coil & igniter 6 Ignition coil & igniter 7 Ignition coil & igniter 8 Igt1 Igt2 Igt3 Igt4 Igt5 Igt6 Igt7 Igt8 Lcki Left camshaft timing oil control valve (on top left side of engine) Left vvt sensor (on top left side of engine) Me01 Mops Ne+ Ne- Ocr+ Ocr- Ocv+ Ocv- Oil pressure switch (on left front side of engine) Oxr1 Pnk Prg Red Right camshaft timing oil control valve (on top right side of engine) Right vvt sensor (on top right side of engine) Tha Throttle control motor (on throttle body) Throttle position sensor (on throttle body) Thw Vta Vta2 Vvl+ Vvl- Vvr+ Vvr-
EXTERIOR LIGHTS Back-up Lamps Wiring Diagram for Lexus GS 430 2002 List of elements for Back-up Lamps Wiring Diagram for Lexus GS 430 2002: 17 B4 (body harn, rear of left rear wheelwell) Back- up Driver side j/b (behind left kick panel) Gauge fuse 10a Gs300 Gs430 Hot in run or start Junction connector j/c 1 (in ecu box) Junction connector j/c 17 (upper right side of dash) Junction connector j/c 19 (above left rear wheelwell) Junction connector j/c 20 (above left rear wheelwell) Junction connector j/c 27 (behind left kick panel) Junction connector j/c 3 & 4 (in ecu box) Left rear combination light (inner) Park/neutral position switch (on transmission) Red Right rear combination light (inner) Exterior Lamps Wiring Diagram (1 of 2) for Lexus GS 430 2002 List of elements for Exterior Lamps Wiring Diagram (1 of 2) for Lexus GS 430 2002: 63 (above left rear wheelwell) junction connector j/c 19 (body harn, rear of left rear wheelwell) (in driver's door) driver door ecu (left front strut tower) Auto Automatic light control sensor (behind upper left side of dash) Bdr Becu Body ecu 2 (in driver side j/b) Cltb Clte Clts Computer data lines system Cpub Cty Ctye D fr door fuse 20a D22 D23 D24 Driver side j/b (behind left kick panel) E4 (engine harn, under ecu box) Eb (right front strut tower) Ecu-ig fuse 15a Engine room r/b 1 (on right side of engine compt, behind strut tower) F13 Grd H11 H13 Head Headlight switch Headlights system Hot at all times Hot in run or start Hrly I5 (dash harn, right side of dash) I6 (dash harn, right side of dash) Ii (upper right side of dash) Junction connector j/c 10 (behind left side of dash) Junction connector j/c 14 (left side of dash) Junction connector j/c 17 (behind upper right side of dash) Junction connector j/c 19 (above left rear wheel- well) Junction connector j/c 20 (left rear wheelwell) Junction connector j/c 6 (left kick panel) Junction connector j/c 7 (left kick panel) Left front door courtesy switch Left front side marker light Left license plate light Left parking light Mpx-b fuse 10a Mpx1 Mpx2 Off Passenger side j/b (behind right kick panel) Red Right front side marker light Right license plate light Right parking light Sig Stop fuse 15a Stoplight switch (brake pedal bracket) Tail Trly Exterior Lamps Wiring Diagram (2 of 2) for Lexus GS 430 2002 List of elements for Exterior Lamps Wiring Diagram (2 of 2) for Lexus GS 430 2002: 62 (above left rear wheelwell) junction connector j/c 19 (behind right kick panel) passenger side j/b (dash harn, right side of dash) (engine harn, under ecu box) (left front of trunk) b5 (rear of left rear wheelwell) b4 A22 Alt fuse 120a B11 Body ecu 1 (passenger side j/b) Brake lts C12 C13 Combination meter D10 Driver side j/b (behind left kick panel) E11 Ea (right front strut tower) Eb (left front strut tower) Ehw Engine room relay block 1 (on right side of engine compt, behind strut tower) Gauge fuse 10a Grd Haz Hazard switch Hi mount High mounted stoplight (w/ rear spoiler) High mounted stoplight (w/o rear spoiler) Hot at all times Hot in run or start Junction connector j/c 12 (left side of dash) Junction connector j/c 17 (upper right end of dash) Junction connector j/c 20 (above left rear wheel- well) Junction connector j/c 6 (left kick panel) Left Left & right rear combination lights (inner) Left front turn signal light Left rear combination light (outer) Left turn indic Light failure sensor (at left side of luggage compartment) Markr Mpx2 Noise filter (high mounted stoplight) (at left front corner of luggage compt) Power Right Right front turn signal light Right rear combination light (outer) Right turn indic Side marker Stop Stop sw Stp Tail Tail fuse 10a Tail lts Tail relay Taillt pwr Turn Turn signal flasher (behind left side of dash) Turn signal light switch Turn-haz fuse 10a Wrn
GROUND DISTRIBUTION Ground Distribution Wiring Diagram (1 of 4) for Lexus GS 430 2002 List of elements for Ground Distribution Wiring Diagram (1 of 4) for Lexus GS 430 2002: 52 (dash harn, left side of dash) (w/ hid) (w/o hid) A/c lock sensor Abs & trac & vsc actuator Abs sol relay Cruise control switch Data link connector (dlc) 1 Data link connector (dlc) 3 E1 (engine harn, top rear of engine) E2 (engine harn, top left side of engine) Ec (rear of right cylinder head) Ed (rear of left cylinder head) Ee (under abs/ trac/vsc actuator) Ef (right front strut tower) Efi relay Engine control module Engine main relay Engine oil level sensor Engine room relay block 1 (on right side of engine compt, behind strut tower) Engine room relay block 2 (on left side of engine compt, behind strut tower) Eo1 Eo2 Eo3 Heated oxygen sensor (bank 1, sensor 1) Heated oxygen sensor (bank 1, sensor 2) Heated oxygen sensor (bank 2, sensor 1) Heated oxygen sensor (bank 2, sensor 2) I5 (dash harn, right side of dash) 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 Junction connector j/c 26 (in ecu box) Junction connector j/c 4 (in ecu box) Junction connector j/c 5 (in engine room r/b 2) Junction connector j/c 9 (behind left side of dash) Meo1 Nca Right front fog- light Right front side marker light Right front turn signal light Right headlight control ecu Right low beam headlight Right parking light Starter relay T13 Telephone transceiver & speaker relay Ground Distribution Wiring Diagram (2 of 4) for Lexus GS 430 2002 List of elements for Ground Distribution Wiring Diagram (2 of 4) for Lexus GS 430 2002: 58 (dash harn, behind combination meter) (engine harn, under ecu box) (w/ hid) (w/o hid) A/c dual pressure switch A19 Abs & trac & vsc ecu C13 Center airbag sensor assembly Combination meter Combination switch D24 Data link connector (dlc) 3 Daytime running light relay 3 Daytime running light relay 4 Daytime running light resistor (or short connector) Dimmer switch Driver's door ecu E4 (engine harn, under ecu box) Eb (left front strut tower) Engine control module Engine hood courtesy switch Eom Exhaust gas sensor Front wiper & washer switch Headlight beam level control ecu Headlight cleaner control relay Headlight cleaner motor High beam indicator light Junction connector j/c 10 (behind left side of dash) Junction connector j/c 11 (behind left side of dash) Junction connector j/c 6 (left kick panel) Key interlock solenoid Left front fog- light Left front side marker light Left front turn signal light Left head- light control ecu Left low beam headlight Left mirror heater Left parking light Light control switch Luggage compartment door opener switch Main daytime running light relay Pnk Pps ecu Radiator fan motor Seat heater switch Steering sensor Telephone microphone Tilt & telescopic ecu To driver side junction block (diagram 3 of 4) To passenger side junction block (diagram 3 of 4) Transponder key amplifier Turn signal flasher Turn signal switch Unlock warning switch Washer level warning switch Water temperature switch Ground Distribution Wiring Diagram (3 of 4) for Lexus GS 430 2002 List of elements for Ground Distribution Wiring Diagram (3 of 4) for Lexus GS 430 2002: 61 (3.0l) (dash harn, right side of dash) i6 (except mark levinson) (on left side of engine compt, front of strut tower) engine room relay block 3 (right side of instrument panel brace) A/c control assembly A13 A20 A22 Abs & trac & vsc ecu B2 (body harn, top of right "a" pillar) Blower motor controller Body ecu 1 Body ecu 2 Brake fluid level warning switch C12 Cd automatic changer Center airbag sensor assembly Cigarette lighter Clock Combination meter Driver's side junction block (behind lower left end of dash) Electronically controlled transmission pattern select switch F11 F13 Fan 2 relay Fan 3 relay From g200 (diagram 2 of 4) From junction connector j/c 10 (diagram 2 of 4) Front passenger door ecu Front wiper motor Garage door opener Gateway ecu Glove box light switch Hazard switch Htr relay I1 (dash harn, behind combination meter) Ig (upper left side of dash) Ig relay Ii (upper right side of dash) Inner mirror & compass Instrument panel junction block (behind upper center of dash) Junction connector j/c 17 (behind upper right side of dash) Left rear interior light Left vanity light Mirror retraction switch Moon roof control ecu Moon roof control switch Multi- display Noise filter Passenger side junction block (behind right kick panel) Passenger's side relay block (behind right kick panel) Personal light Power outlet Radio & player Right mirror heater Right rear interior light Right vanity light Shift lock control ecu Stereo component amplifier Vsc off switch Ground Distribution Wiring Diagram (4 of 4) for Lexus GS 430 2002 List of elements for Ground Distribution Wiring Diagram (4 of 4) for Lexus GS 430 2002: 49 (body harness, rear of left rear wheelwell) (w/ memory) (w/o memory) Auto antenna control relay & motor B6 (body harness, under driver's seat) Bj (under left "c" pillar) Bk (above left rear wheel- well) Bl (center of rear shelf) Bm (under right "c" pillar) Bulb Driver's seat back heater Driver's seat control switch Driver's seat front vertical position sensor Driver's seat lumbar control switch Driver's seat rear vertical position sensor Driver's seat recline position sensor Driver's seat slide position sensor Fuel lid opener motor Fuel pump control ecu High mounted stop- light J/c 28 (above right rear wheel- well) Junction connector j/c 20 (above left rear wheelwell) Junction connector j/c 22 (above right rear wheelwell) Junction connector j/c 23 (under left front seat) Junction connector j/c 24 (under right front seat) Led Left buckle switch Left license light Left rear combination light Left rear door ecu Light failure sensor Luggage compartment door key unlock switch Navigation ecu (except mark levinson) Navigation ecu (mark levinson) P18 P19 Passenger's lumbar support switch Passenger's power seat control switch Passenger's seat back heater Power seat ecu Right buckle switch & seat belt warning occupant detection sensor Right license light Right rear combination light Right rear door ecu S14 Stereo component amplifier (mark levinson) Stop- light noise filter Telephone transceiver & speaker relay Wireless door lock ecu
HEADLIGHTS Headlamps Wiring Diagram (1 of 2) for Lexus GS 430 2002 List of elements for Headlamps Wiring Diagram (1 of 2) for Lexus GS 430 2002: 67 (dash harn, behind combination meter) (dash harn, right side of dash) (in driver's door) (left front strut tower) eb (right front strut tower) Altl Auto Automatic light control sensor (behind upper left side of dash) B10 Bdr Becu Body ecu 2 (in driver side j/b) Cltb Clte Clts Combination switch Computer data lines system Cpub Cty Ctye D fr fuse 20a D22 D23 D24 Dimmer switch Driver door ecu Driver side j/b (behind left kick panel) Driver side j/b (behind left kick panel) of dash) Driver side j/b (behind lower left end of dash) Ecu-b2 fuse 20a Ecu-ig fuse 15a Engine room r/b 1 (on right side of engine compartment, behind strut tower) Exterior lights system Ffgo Ffog Flash Fog relay Foglight switch Fr fog fuse 15a Gauge fuse 10a Grd Gswo H11 H13 Head Headlight switch High Hot at all times Hot in start or run Hrly Junction connector j/c 10 (behind left side of dash) Junction connector j/c 17 (upper right end of dash) Junction connector j/c 6 (left kick panel) Junction connector j/c 7 (left kick panel) Left front door courtesy switch Left front foglight Low Mpx1 Mpx2 Off Passenger side j/b (behind right kick panel) Red Right front foglight Sig Srs-b fuse 5a Tail Trly Headlamps Wiring Diagram (2 of 2) for Lexus GS 430 2002 List of elements for Headlamps Wiring Diagram (2 of 2) for Lexus GS 430 2002: 43 (on right side of engine compt, behind strut tower) engine room r/b 1 C12 C13 Combination meter Daytime running light relay (main) (behind right end of dash) Daytime running light relay 3 & 4 (at left front corner of engine compt) Daytime running light resistor (left strut tower) Dimmer drl 2 relay Drl 1 fuse 30a Drl 2 fuse 30a E4 (engine harn, under ecu box) Eb (left front strut tower) Ecu-b2 fuse 5a Ee (right front strut tower) Engine room r/b 1 (on right side of engine compt, behind strut tower) Engine room r/b 3 (on left side of engine compt, front of strut tower) Engine room relay block 3 (on left side of engine compt, front of strut tower) Gs300 Gs430 Head ind (usa) Head lp relay Headlights system (headlight beam level control ecu) High beam ind Hot at all times J/c (left kick panel) Junction connector j/c 11 (left side of dash) Junction connector j/c 14 (behind left side of dash) Junction connector j/c 15 (behind left side of dash) Junction connector j/c 18 (right kick panel) Left high beam headlight Left low beam headlight (ex hid) left headlight control ecu (hid) Left lower head fuse 15a Left upper head fuse 15a Main fuse 40a Parking brake switch (behind left side of dash) Passenger side j/b (behind right kick panel) Pnk Red Right high beam headlight Right low beam headlight (ex hid) right headlight control ecu (hid) Right lower head fuse 15a Right upper head fuse 15a Short connector (canada) (left strut tower) Headlamps Leveling Wiring Diagram for Lexus GS 430 2002 List of elements for Headlamps Leveling Wiring Diagram for Lexus GS 430 2002: 57 (behind combination meter) junction connector j/c 14 Anti-lock brakes system Auto Automatic light control sensor (behind upper left side of dash) Becu Body ecu 2 (in driver side j/b) C12 Cltb Clte Clts Combination meter Combination switch Driver side junction block (behind left kick panel) E1 (grd) Eb (left front strut tower) Ecu-b2 fuse 10a Ecu-ig fuse 15a Exterior lights system Front height control sensor (forward of left front strut tower) Gauge fuse 10a Grd H13 Hdlp Head Headlight beam level control ecu (at left front of engine compt) Headlight beam level control warning indicator Headlight switch Headlights system Hot at all times Hot in start or run Hrly I1 (dash harn, behind combination meter) I6 (dash harn, right side of dash) Junction connector j/c 10 (upper left end of dash) Junction connector j/c 6 (left kick panel) Junction connector j/c 7 (left kick panel) Left headlight beam level control motor Lhb1 Off Passenger side junction block (behind right kick panel) Rear height control sensor (under left rear of vehicle) Red Rh1 Rh2 Rh3 Rh4 Right headlight beam level control motor (on headlight assembly) Sbf Sbr Sgf Sgr Shf Shr Spdl Tail Trly Wng
HORN Horn Wiring Diagram for Lexus GS 430 2002 List of elements for Horn Wiring Diagram for Lexus GS 430 2002: 12 Body ecu 1 (in passenger side j/b) Combination switch Engine room r/b 1 (on right side of engine compt) Engine room r/b 2 (on left side of engine compt) Horn Horn switch Horn fuse 10a Horn relay Hot at all times J/c 18 (behind right kick panel) Left horn Right horn
INSTRUMENT CLUSTER Instrument Cluster Wiring Diagram for Lexus GS 430 2002 List of elements for Instrument Cluster Wiring Diagram for Lexus GS 430 2002: 93 (canada) (usa) A/t p A10 A11 A12 A13 A14 A15 A16 A16 a1 A17 A18 A19 A20 A21 A22 Abs ind Anti-lock brake system B10 B11 B12 B13 B14 B15 B16 B17 B18 Body ecu 2 (in driver's side junction block) Brake ind Buzzer C12 C13 Center air bag sensor assembly (behind center of dash, forward of center console) Charge ind Combination meter Cpu Cruise ind Door ind Driver side j/b (behind left kick panel) Driver side j/b (left kick panel) Eb (left front strut tower) Ect power ind Ect snow ind Ecu-b2 fuse 10a Engine controls system Exterior lights system F13 Fuel gauge Fuel ind Fuel sender (in fuel tank) Fuel sender (sub) (in fuel tank) Gauge fuse 10a Head ind Headlight leveling ind Headlights system High beam ind Hot at all times Hot in run or start Ii (upper right side of dash) Interior lights system J/c 10 (behind left side of dash) J/c 11 (behind left side of dash) J/c 17 (behind right side of dash) J/c 6 (left kick panel) Left turn ind M (gs400) 4 (gs300) Malfunction ind lamp Odo/trip Odometer/ tripmeter Oil level ind Oil press ind Passenger side j/b (behind right kick panel) Passenger side j/b (right kick panel) Pnk Rear light ind Red Reset Rheostat Right turn ind Seat belt ind Slip ind Speedometer Srs ind Srs-b fuse 5a Tachometer Tail ind Vsc ind Vsc off ind Warning system Washer ind Washer level warning switch (left front of engine compt) Water temp gauge
INTERIOR LIGHTS Courtesy Lamps Wiring Diagram (1 of 3) for Lexus GS 430 2002 List of elements for Courtesy Lamps Wiring Diagram (1 of 3) for Lexus GS 430 2002: 53 (dash harn, right side of dash) A10 A12 A13 A19 B14 B15 Bdr Becu Body ecu 2 C12 C18 Computer data lines system Cpub Cty Ctyb Ctye D fr door fuse 20a D rr door fuse 20a Door Driver door ecu (in driver's door) Driver side junction block (behind left kick panel) Ecu-ig fuse 15a Engine room r/b no. 1 (right side of engine compt, behind strut tower) Exterior lights system Grd H10 H11 H13 Headlights system Hot at all times Hot in run or acc Hot in run or start Hrly I1 (dash harn, behind combination meter) Ignition key cylinder light Ile Junction connector j/c 10 (behind left end of dash) Junction connector j/c 13 (behind combination meter) Junction connector j/c 6 (left kick panel) Junction connector j/c 7 (left kick panel) Junction connector j/c 8 (behind left kick panel) Left front door courtesy light Left front door courtesy switch Left step light Mpx1 Mpx2 Passenger side junction block (behind right kick panel) Personal light Radio 2 fuse 15a Right step light Sig Trly Courtesy Lamps Wiring Diagram (2 of 3) for Lexus GS 430 2002 List of elements for Courtesy Lamps Wiring Diagram (2 of 3) for Lexus GS 430 2002: 37 (dash harn, behind comb- ination meter) B2 (body harn, top of right a- pillar) Bdr Bj (under left c-pillar) Bl (center of rear shelf) Cpub Cty Ctyb Ctye Diode (luggage compartment door open detection) (at left side of luggage compartment) Ecu-b2 fuse 10a Grd Hot at all times Junction connector j/c 20 (above left rear wheelwell) Left rear door courtesy light Left rear door courtesy switch Left rear door ecu (in left rear door) Left rear interior light Left vanity light Luggage compartment door courtesy switch Luggage compartment light Mpx1 Mpx2 Noise filter (stoplight) (at left front corner of luggage compt) Passenger side j/b (behind right kick panel) Passenger side junction block (behind right kick panel) Power seat ecu (behind left side of dash) Red Right rear door courtesy light Right rear door courtesy switch Right rear door ecu (in right rear door) Right rear interior light Right vanity light Rrlp Sig W/ memory seats W/o memory seats Courtesy Lamps Wiring Diagram (3 of 3) for Lexus GS 430 2002 List of elements for Courtesy Lamps Wiring Diagram (3 of 3) for Lexus GS 430 2002: 47 (above right right wheelwell) (at right side of luggage compartment) wireless door lock ecu (left rear corner of engine compt) wireless door lock buzzer A12 A13 A15 A18 A19 Acc B14 B15 Bdr Becu Body ecu 1 Bzr Bzr2 C10 C12 Cmoputer data lines system Cpub Cty Ctyb Ctye Dome fuse 10a Engine room r/b 1 (right side of engine compt, behind strut tower) F11 Front passenger door ecu (in right front door) Grd H11 H12 Hot at all times Ii (upper right side of dash) Junction connector j/c 15 (behind left side of dash) Junction connector j/c 17 (upper right end of dash) Junction connector j/c 22 Mpx1 Mpx2 P fr fuse 20a P rr door fuse 20a Passenger side junction block (behind right kick panel) Pnk Rco Rda Right front door courtesy light Right front door courtesy switch Rssi Sig Instrument Illumination Wiring Diagram for Lexus GS 430 2002 List of elements for Instrument Illumination Wiring Diagram for Lexus GS 430 2002: 36 (behind center of dash) junction connector j/c 16 (behind left side of dash) junction connector j/c 13 A/c control assembly A/t shift position illumination A13 Anti-theft system Bj (under left c-pillar) Bl (center of rear shelf) C12 Cigarette lighter Combination meter Driver side j/b (behind left kick panel) Driver side junction block (behind left kick panel) Electronically controlled transmission pattern select switch Glove box light Glove box light switch Grd Hazard switch Headlight cleaner switch (canada) Hot in park or head I1 (dash harn, behind combination meter) Instrument panel junction block (behind upper center of dash) Junction connector j/c 6 (left kick panel) Left rear ashtray illumination Left rear door ecu (in left rear door) Mirror retraction switch Multi-display Panel fuse 7.5a Radio & player Remote control mirror switch Rheostat (security indicator light) Right rear ashtray illumination Right rear door ecu (in right rear door) Seat heater switch Vsc off switch Whe1
MEMORY SYSTEMS Memory System Wiring Diagrams (1 of 2) for Lexus GS 430 2002 List of elements for Memory System Wiring Diagrams (1 of 2) for Lexus GS 430 2002: 80 (left kick panel) j/c 8 (left side of dash) j/c 13 Acc Bdr Becu Body ecu 1 Body ecu 2 Bsub Computer data lines system Cpub D fr fuse 20a D22 D23 D24 De2 Dm+r Dmhr Dmvr Down Driver door ecu (in driver's door) Driver side j/b (behind left kick panel) Driving position memory switch Dvc Ecu- b3 fuse 20a Ecu-b2 fuse 10a Ecu-ig fuse 15a Engine room r/b 1 (right side of engine compt, behind strut tower) F11 F12 F13 Front passenger door ecu (in right front door) Gnd H10 H11 Hot at all times Hot in on or start Hot in run or accy Hsr Hssr I6 (dash harn, right side of dash) Ii (upper right side of dash) Interior lights system J/c 10 (behind left side of dash) J/c 15 (left side of dash) J/c 17 (upper right side of dash) J/c 6 (left kick panel) J/c 7 (left kick panel) Left Left remote control mirror Mem 1 Mem 2 Mirb Mire Mirror retraction switch Mirs Mpx1 Mpx2 Mr+ Mr- Mswe Operation switch P fr fuse 20a Passenger side j/b (behind right kick panel) Pe2 Pm+r Pmhr Pmvr Pnk Pvc Radio 2 fuse 15a Red Remote control mirror switch Ret Right Right remote control mirror Select switch Set Sig Vsr Vssr Memory System Wiring Diagrams (2 of 2) for Lexus GS 430 2002 List of elements for Memory System Wiring Diagrams (2 of 2) for Lexus GS 430 2002: 73 (behind left side of dash) j/c 10 (body harness, under driver's seat) Bj (under left "c" pillar) Computer data lines system D p/seat fuse 30a Down Driver side j/b (behind left kick panel) Driver's seat front vertical motor Driver's seat lumbar support control motor Driver's seat rear vertical motor Driver's seat reclining motor Driver's seat sliding motor Ecu-b2 fuse 10a Ecub Ecue Fdwn Front Front vertical control sensor Frv+ Frv- Fup G200 Gnd Hot at all times J/c 18 (right kick panel) J/c 20 (above left rear wheelwell) J/c 23 (below driver's seat) J/c 6 (left kick panel) Ldwn Lft+ Lft- Lumbar support control switch Lup Mpx1 Mpx2 Msw P p/seat fuse 30a P18 P19 Passenger side j/b (behind right kick panel) Power seat control switch Power seat ecu (under driver's seat) Power telescopic motor Power tilt motor Pvcc Rcl+ Rcl- Rclf Rclr Rear Rear vertical control sensor Recline control sensor Sgnd Sld+ Sld- Sldf Sldr Slide control sensor Ssfv Ssrl Ssrr Ssrs Sysb Tel lng Tel shrt Tem+ Tem- Tilt & telescopic ecu (behind left side of dash) Tilt & telescopic switch Tilt down Tilt up Tim+ Tim-
NAVIGATION Navigation Wiring Diagram for Lexus GS 430 2002 List of elements for Navigation Wiring Diagram for Lexus GS 430 2002: 78 (except mark levinson) (except mark levinson) tweeter (mark levinson) +b1 3.0l 4.3l A10 A11 A12 A13 A14 A15 A16 A17 A18 Acan Acc Aui+ Aui- Auo+ Auo- B10 B11 B12 B13 B14 Bm (under right "c" pillar) Body ecu 2 (in driver side j/b) Braided C10 Computer data lines system (data link connector) Except Exterior lights system (back-up light switch) Gateway ecu (behind left side of dash) Gauge fuse 10a Gnd Grd1 Gs300 Gs430 Gtx+ Gtx- Hot at all times Hot in accy or run driver side junction block (behind left kick panel) Hot in start or run I1 (behind instrument panel) Ih (right side of dash panel brace) Instrument cluster system Instrument panel junction block (behind upper center of dash) J/c 13 (behind left side of dash) J/c 22 (above right rear wheelwell) J/c 27 (behind left kick panel) J/c 28 (above right rear wheelwell) J/c 28 (above right rear wheelwell) (mark levinson) Left front door speaker Mark levinson Multi-display Mute Navigation ecu (at right rear corner of luggage compt) Parking brake switch (behind left side of dash) Passenger side junction block (behind right kick panel) Pkb Pnk Radio & player Radio 2 fuse 15a Red Rev S14 S15 Spd Stereo component amplifier (mark levinson: right rear corner of luggage compt) (except: behind right side of dash) Sync Tv fuse 15a Tx+ Tx- Tx1+ Tx1- Tx3+ Tx3-
PASSIVE RESTRAINTS Passive Restraint Wiring Diagram for Lexus GS 430 2002 List of elements for Passive Restraint Wiring Diagram for Lexus GS 430 2002: 16 Bj (under left "c" pillar) Bl (center of rear shelf) Driver side j/b (behind left kick panel) Ecu-ig fuse 15a F11 Hot in run or start J/c 15 (behind left side of dash) J/c 23 (under driver's seat) J/c 24 (under front passenger's seat) J/c 7 (left kick panel) J/c 8 (left kick panel) Left buckle switch (in buckle) Left tension reducer solenoid (base of left "b" pillar) Passenger side j/b (right kick panel) Right buckle switch (in buckle) Right tension reducer solenoid (base of right "b" pillar)
POWER ANTENNA Power Antenna Wiring Diagram for Lexus GS 430 2002 List of elements for Power Antenna Wiring Diagram for Lexus GS 430 2002: 16 Auto antenna control relay & motor Dome fuse 10a Driver side j/b (behind left kick panel) Ecu-ig fuse 15a F11 H10 Hot at all times Hot in acc or on Hot in on or start J/c 13 (left side of dash) J/c 15 (behind left side of dash) J/c 22 (above right rear wheel- well) J/c 7 (left kick panel) Passenger side j/b (behind right kick panel) Radio & player Radio 2 fuse 15a
POWER DISTRIBUTION Power Distribution Wiring Diagram (1 of 2) for Lexus GS 430 2002 List of elements for Power Distribution Wiring Diagram (1 of 2) for Lexus GS 430 2002: 78 (behind right kick panel) passenger side j/b (not used) (on left side of engine compt, front of strut tower) engine room r/b 3 (on right side of engine compt, behind strut tower) engine room r/b 1 Abs 1 fuse 60a Abs 2 fuse 40a Air conditioning systems Air conditioning, headlights, memory systems Alt fuse 120a Alt-s fuse 5a Am2 fuse 15a Anti-lock brakes system Battery Body ecu no. 1 Cds fan fuse 30a Cooling fans system D fr fuse 20a Defog fuse 30a Defogger system Dimmer drl 2 relay Dome fuse 10a Drl 1 fuse 30a Drl 2 fuse 30a Ecu- b3 fuse 20a Ecu-b1 fuse 20a Ecu-b2 fuse 10a Efi fuse 25a Eng main relay Engine controls, cruise control system Engine controls, transmission, cruise control systems Etcs fuse 15a Exterior lights system Fan main fuse 50a From engine a H-lp cln fuse 30a H10 H12 Head lp relay Headlights system Heater fuse 50a Horn fuse 10a Horns, body computer, anti-theft systems Ig relay Interior lights warning, seats power windows, power mirror, door locks anti-theft systems Interior lights, door locks, power antenna, clock, garage door opener, power windows, sound systems Left lower head fuse 15a Left upper head fuse 15a Main fuse 40a Mir htr fuse 10a Mir relay Navigation system Noise filter P fr fuse 20a P p/ seat fuse 30a P rr door fuse 20a Power tops system Radio 1 fuse 30a Rdi fan fuse 30a Red Right lower head fuse 15a Right rear door ecu Right upper head fuse 15a Room r/b 1 (diagram 1 of 2) S/roof fuse 25a Seat htr fuse 20a Seats system Seats, electronic power steering systems Sound systems Starter Starting/ charging system Tel fuse 15a Telephone transceiver & speaker relay To driver side j/b (diagram 2 of 2) To engine room r/b 1 (diagram 1 of 2) To ignition switch (diagram 2 of 2) Turn/ haz fuse 10a Tv fuse 15a Wiper/ washer system Power Distribution Wiring Diagram (2 of 2) for Lexus GS 430 2002 List of elements for Power Distribution Wiring Diagram (2 of 2) for Lexus GS 430 2002: 54 (behind left kick panel) driver side j/b Acc Am1 fuse 40a Anti-lock brakes, warning, telephone transceiver & speaker relay, door locks, power windows, headlights, power tops, mirrors, electronic power steering, seats, power antenna, passive restraints, interior lights, trunk, tailgate, fuel doors, mirrors systems Body ecu 2 Cig fuse 15a Cigarette lighter Computer data lines system D fr door fuse 20a D p/seat fuse 30a D rr door fuse 20a Defoggers, air conditioning systems Driver door ecu E11 Ecu-ig fuse 15a Exterior lights system F10 Fog relay Fr fog fuse 15a From am2 fuse, engine room r/b 1 (diagram 1 of 2) From engine room r/b 1 c (diagram 1 of 2) Fuel opn fuse 10a Gauge fuse 10a H10 H12 Heater fuse 10a Ign fuse 5a Ignition switch Ii (upper right side of dash) Interior lights system J/c 12 (behind left side of dash) J/c 15 (behind left side of dash) J/c 17 (behind upper right side of dash) Left rear door ecu Lock Obd fuse 7.5a Panel fuse 7.5a Pnk Power outlet Radio 2 fuse 15a Seats, memory systems Sound, body computer, power antenna, air conditioning, shift interlock, navigation, anti-theft, interior lights, warning, memory, power windows, mirrors, telephone transceiver & speaker relay systems Srs-b fuse 5a Start Starter fuse 5a Starting/ charging, engine controls system Stop fuse 15a Tail fuse 10a Tail relay Transmission, cruise control, anti-lock brakes, engine controls, exterior lights systems Trunk, tailgate, fuel doors system Washer fuse 20a Wiper fuse 25a Wiper/ washer systems
POWER DOOR LOCKS Power Door Lock Wiring Diagram (1 of 3) for Lexus GS 430 2002 List of elements for Power Door Lock Wiring Diagram (1 of 3) for Lexus GS 430 2002: 60 (dash harn, right side of dash) A13 A15 A17 A19 B14 B15 Bdr Becu Body ecu 2 C12 C18 Computer data lines system Cpub Cty Ctye D fr fuse 20a D rr door fuse 20a Driver door ecu (in driver's door) Driver side j/b (behind left kick panel) Driver side side j/b (behind left kick panel) Ecu-ig fuse 15a Engine room r/b 1 (right side of engine compt) Exterior lights system F13 Grd Gswo H10 H11 H13 Headlights system Hot at all times Hot in on or accy Hot in on or start Hrly Ii (upper right side of dash) Ile Interior lights system J/c 13 (behind left side of dash) J/c 17 (upper right side of dash) J/c 6 (left kick panel) Junction connector j/c 10 (behind left side of dash) Junction connector j/c 7 (left kick panel) Junction connector j/c 8 (behind left kick panel) Kul Left door lock control switch (power window master switch) Left front door courtesy switch Left front door lock motor, door key lock & unlock switch & door lock detection switch Lock Lock detect Lsw Lswe Mpx1 Mpx2 Mul Pwe Radio 2 fuse 15a Sig Trly Unlk Power Door Lock Wiring Diagram (2 of 3) for Lexus GS 430 2002 List of elements for Power Door Lock Wiring Diagram (2 of 3) for Lexus GS 430 2002: 59 Ant1 Ant2 Batt Bdr Bj (under left c-pillar) Bl (center of rear shelf) Code Cpub Cty Ctye D23 D24 Diode (luggage compartment door open detection) (at left side of luggage compt) E11 E13 E30 E31 Eb (left front strut tower) Ecu- b2 fuse 10a Ee (under abs/ trac/vsc actuator) Efi fuse 25a Efi relay Engine control module (left side of engine compt, in ecu box) Engine hood courtesy switch Engine room r/b 1 (right side of engine compt) Gnd Grd Hot at all times Imld J/c 10 (left side of dash) J/c 20 (above left rear wheel- well) J/c 5 (in engine room r/b 2) J/c 6 (left kick panel) J/c 9 (left side of dash) Key coil Ksw Left rear door courtesy switch Left rear door ecu (in left rear door) Left rear door lock motor & door lock detection switch Lock detect Lsw Lswe Luggage compartment door courtesy switch & opener motor Luggage compartment door key unlock switch Mpx1 Mpx2 Mrel Passenger side j/b (right kick panel) Power seat ecu (under driver's seat) Right rear door courtesy switch Right rear door ecu (in right rear door) Right rear door lock motor & door lock detection switch Rxck Sig Transponder key amplifier (in steering column) Txct Unlock warning switch W/ memory seats W/o memory seats Power Door Lock Wiring Diagram (3 of 3) for Lexus GS 430 2002 List of elements for Power Door Lock Wiring Diagram (3 of 3) for Lexus GS 430 2002: 81 (at right side of luggage compartment) wireless door lock control ecu (left rear corner of engine compt) wireless door lock buzzer A10 A12 A13 A15 A16 A18 A19 A22 A25 Acc B14 B15 Bdr Becu Body ecu 1 Bsub Bzr Bzr2 C12 C15 C16 C17 Combi- nation meter Computer data lines system Cpub Cty Ctye Dle Dome fuse 10a Ecu- b3 fuse 20a Engine room r/b 1 (right side of engine compt) Exterior lights system F11 F13 Front passenger door ecu (in passenger's door) Grd Gsw H11 H13 Haz Hcty Horn Horns system Hot at all times Ii (upper right side of dash) Ind J/c 14 (behind left side of dash) J/c 22 (under right "c" pillar) Junction conenctor j/c 6 (left kick panel) Junction connector j/c 10 (behind left side of dash) Junction connector j/c 15 (behind left side of dash) Junction connector j/c 17 (upper right end of dash) Kul Lgcy Lock Lock detect Lsw Lswe Mpx1 Mpx2 Mul P fr fuse 20a P rr door fuse 20a Passenger side j/b (behind right kick panel) Passenger side junction block (behind lower right end of dash) Pnk Pws Rco Rda Right front door courtesy switch Right front door lock control switch Right front door lock motor, door key lock & unlock switch & door lock detection switch Rssi Security indicator (rheostat) Sig Theft deterrent horn (at right front of engine compt) Tkul Tr+ Unlk
POWER MIRRORS Electrochromic Mirror Wiring Diagram for Lexus GS 430 2002 List of elements for Electrochromic Mirror Wiring Diagram for Lexus GS 430 2002: 18 (behind left side of dash) j/c 15 (dash harn, right side of dash) i6 D10 Driver side j/b (behind left kick panel) Ec+ Ec- Ecu-ig fuse 15a F11 Gnd Hot in on or start Ii (upper right side of dash) Inner mirror J/c 7 (left kick panel) Left remote control mirror Passenger side j/b (behind right kick panel) R16 R17 Right remote control mirror
POWER SEATS Driver Seat Wiring Diagram for Lexus GS 430 2002 List of elements for Driver Seat Wiring Diagram for Lexus GS 430 2002: 21 Bj (under left c-pillar) D p/seat fuse 30a Down Driver side j/b (behind left kick panel) Driver's lumbar support control switch Driver's power seat control switch Driver's seat front vertical motor (under seat) Driver's seat lumbar motor (in seatback) Driver's seat rear vertical motor (under seat) Driver's seat reclining motor (under seat) Driver's seat slide motor (under seat) Front Hot at all times J/c 23 (under driver's seat) Junction connector j/c 23 (under driver's seat) Rear Reclining Slide Support lumbar Vertical front Vertical rear Heated Seats Wiring Diagram for Lexus GS 430 2002 List of elements for Heated Seats Wiring Diagram for Lexus GS 430 2002: 26 Alt fuse 120a Bj (under left "c" pillar) Bl (center of rear shelf) Driver side j/b (behind left kick panel) Driver's seat heater (in seat back) Driver's seat heater (in seat cushion) Ecu-ig fuse 15a Engine room r/b 1 (right side of engine compt, behind strut tower) Front passenger's seat heater (in seat back) Front passenger's seat heater (in seat cushion) Hot at all times Hot in on or start Ignition relay Ii (upper right side of dash) J/c 10 (upper left end of dash) J/c 11 (behind left side of dash) J/c 15 (upper left side of dash) J/c 23 (under driver's seat) J/c 24 (under passenger's seat) J/c 6 (left kick panel) J/c 7 (left kick panel) Left Passenger side j/b (behind right kick panel) Right Seat heater switch Seat htr fuse 20a Passenger Seat Wiring Diagram for Lexus GS 430 2002 List of elements for Passenger Seat Wiring Diagram for Lexus GS 430 2002: 21 Bl (center of rear shelf) Down Front Hot at all times J/c 24 (under passen -ger's seat) Junction connector j/c 24 (under passenger's seat) P p/seat fuse 30a Passenger side j/b (behind left kick panel) Passenger's lumbar support control switch Passenger's power seat control switch Passenger's seat front vertical motor (under seat) Passenger's seat lumbar motor (in seatback) Passenger's seat rear vertical motor (under seat) Passenger's seat reclining motor (under seat) Passenger's seat slide motor (under seat) Rear Reclining Slide Support lumbar Vertical front Vertical rear
POWER TOP/SUNROOF Power Top/Sunroof Wiring Diagrams for Lexus GS 430 2002 List of elements for Power Top/Sunroof Wiring Diagrams for Lexus GS 430 2002: 23 25a Body ecu 1 Close Down Driver side junction block (behind left kick panel) Ecu-ig fuse 15a F11 F13 Hot at all times Hot in run or start Ign J/c 10 (behind left side of dash) J/c 15 (behind left side of dash) J/c 6 (left kick panel) J/c 7 (left kick panel) Moon roof control ecu (in front of moon roof opening) Moon roof control switch Mpx1 Mpx2 Open Passenger side junction block (behind right kick panel) Pnk S/roof fuse
POWER WINDOWS Power Window Wiring Diagram (1 of 3) for Lexus GS 430 2002 List of elements for Power Window Wiring Diagram (1 of 3) for Lexus GS 430 2002: 58 (dash harn, right side of dash) Auto Bdr Becu Body ecu 2 Computer data lines system Cpub Cty Ctye D fr fuse 20a D rr door fuse 20a D22 D23 D24 Down Driver door ecu (in driver's door) Driver side junction block (behind left kick panel) Dt1 Dt2 Dt3 Ecu-ig fuse 15a Engine room r/b 1 (at right side of eng compt) Grd H10 H11 Hot at all times Hot in accy or run Hot in run or start J/c 10 (behind left side of dash) J/c 13 (behind combination meter) J/c 6 (left kick panel) J/c 7 (left kick panel) J/c 8 (left kick panel) Kul Left front door key lock & unlock switch Lmt Lock Lswe Mdn Mpx1 Mpx2 Mup Pls Power window master switch Pwe Pws Radio 2 fuse 15a Red Sc1 Sc2 Sc3 Sgrd Sig Unlk W/l W/l2 Window lock switch Wlsw Power Window Wiring Diagram (2 of 3) for Lexus GS 430 2002 List of elements for Power Window Wiring Diagram (2 of 3) for Lexus GS 430 2002: 34 Auto Auto down Auto up Bdr Bj (under left "c" pillar) Bl (right side of rear shelf) Cpub E10 Ecu-b2 fuse 10a Grd Hot at all times J/c 13 (behind combination meter) Left front door courtesy switch Left front power window motor Left rear door ecu (in left rear door) Left rear power window control switch Lmt Mdn Mpx1 Mpx2 Mup Passenger side j/b (behind right kick panel) Pct1 Pcto Pls Power seat ecu (under driver's seat) Pwe Red Right rear door ecu (in right rear door) Right rear power window control switch Sgnd Sig W/ memory seats W/o memory seats Power Window Wiring Diagram (3 of 3) for Lexus GS 430 2002 List of elements for Power Window Wiring Diagram (3 of 3) for Lexus GS 430 2002: 55 (at right side of luggage compartment) wireless door lock ecu Acc Auto Auto down Auto up Bdr Becu Body ecu 1 Bsub Computer data lines system Cpub Cty Ctye Dome fuse 10a Ecu-b3 fuse 20a Engine room r/b 1 (at right side of eng compt) F11 F12 F13 Front passenger door ecu (in passenger's door) Grd H11 Hot at all times Ii (upper right side of dash) J/c 10 (upper left end of dash) J/c 15 (behind left side of dash) J/c 17 (upper right end of dash) J/c 22 (above right rear wheelwell) J/c 6 (left kick panel) Kul Lmt Lock Lswe Mdn Mpx1 Mpx2 Mup P fr fuse 20a P rr door fuse 20a Passenger side j/b (behind right kick panel) Pls Pnk Pwe Pws Rco Rda Red Right front door courtesy switch Right front door key lock & unlock switch Right front power window control switch Right front power window motor Rssi Sgrd Sig Unlk
RADIO Radio Wiring Diagrams, with Mark Levinson (1 of 2) for Lexus GS 430 2002 List of elements for Radio Wiring Diagrams, with Mark Levinson (1 of 2) for Lexus GS 430 2002: 32 Acc C13 Combination meter Dome fuse 10a Driver's side j/b (behind left kick panel) Engine room r/b 1 (right side of engine compartment, behind strut tower) F11 Gateway ecu (w/o navigation) Gnd H12 Hot at all times Hot in acc or on Ih (right side of instrument panel brace) Instrument panel j/b (behind upper center of dash) J/c 13 (behind left side of dash) J/c 28 (above right rear wheelwell) Junction connector (behind right kick panel) Multi-display (w/ navigation) Mute Nca Passenger's side j/b (behind right kick panel) Pnk Radio & player Radio fuse 1 30a Radio fuse 2 15a Red Tx+ Tx- Tx2+ Tx2- W/ navigation W/o navigation Radio Wiring Diagrams, with Mark Levinson (2 of 2) for Lexus GS 430 2002 List of elements for Radio Wiring Diagrams, with Mark Levinson (2 of 2) for Lexus GS 430 2002: 60 +b1 +b2 Acc Bus+ Bus- Cd automatic changer Cdl+ Cdl- Cdr+ Cdr- Center speaker Csr+ Csr- Fl+ Fl- Fr+ Fr- Gnd Gnd4 Gnd5 Ih (right side of instrument panel brace) J/c 21 (above right rear wheelwell) J/c 22 (above right rear wheelwell) Left front door speaker Left rear door speaker Mute N-mu Navigation ecu (right rear corner of luggage compartment) Nca Pnk Red Right front door speaker Right rear door speaker Rl+ Rl- Rr+ Rr- S14 S15 S16 Sgd4 Sgnd Sp+ Sp- Spd Speaker Spi+ Spi- Stereo component amplifier T13 Telephone transceiver & speaker relay (right side of luggage compartment) Tmlt Tweeter Txm+ Txm- W/ navigation W/o navigation Wf+ Wf- Woofer speaker Radio Wiring Diagrams, without Mark Levinson for Lexus GS 430 2002 List of elements for Radio Wiring Diagrams, without Mark Levinson for Lexus GS 430 2002: 72 Acc Ant Anta Antb Bus+ Bus- Cd automatic changer Cdl+ Cdl- Cdr+ Cdr- Cdr_ Ckl+ Dome fuse 10a Driver's side j/b (behind left kick panel) Engine room r/b 1 (right side of engine compartment, behind strut tower) F11 Fl+ Fl- Fr+ Fr- Gateway ecu (w/ navigation) Gnd H12 Hot at all times Hot in acc or on Ih (right side of instrument panel brace) Instrument panel j/b (behind upper center of dash) Junction connector (behind right kick panel) Left front door speaker Left rear door speaker Multi-display (w/o navigation) Mute Navigation ecu (right rear corner of luggage compartment) Nca Passenger's side j/b (behind right kick panel) Pnk Power antenna system Radio & player Radio fuse 1 30a Radio fuse 2 15a Red Right front door speaker Right rear door speaker Rl+ Rl- Rr+ Rr- S10 Sgd4 Sgnd Sp+ Sp- Speaker Spi+ Spi- Stereo component amplifier T13 Telephone transceiver & speaker relay (right side of luggage compartment) Tlmt Tweeter Tx+ Tx- Tx2+ Tx2- Txm+ Txm- W/ navigation W/o navigation Wf+ Wf- Woofer speaker
SHIFT INTERLOCKS Shift Interlock Wiring Diagram for Lexus GS 430 2002 List of elements for Shift Interlock Wiring Diagram for Lexus GS 430 2002: 25 (upper right side of dash) Acc At4 Atl Driver side j/b (behind left kick panel) Engine control module (at left side of engine compt, in ecu box) Gauge fuse 10a H10 Hot in acc or run Hot in run or start J/c 10 (behind left side of dash) J/c 13 (behind left side of dash) J/c 17 (behind right side of dash) J/c 17 (upper right side of dash) J/c 3, j/c 4 (in ecu box) J/c 6 (left kick panel) J/c 9 (left side of dash) Kls+ Nssd Nssl Park/neutral position switch (on transmission) Radio 2 fuse 15a Red Shift lock control ecu (under center console, near selector lever) Unlock warning switch & key interlock solenoid (behind left side of dash)
STARTING/CHARGING Charging Wiring Diagram for Lexus GS 430 2002 List of elements for Charging Wiring Diagram for Lexus GS 430 2002: 35 (3.0l) (4.3l) A/c control assembly (behind center of dash) Acc Alt fuse 120a Alt-s fuse 5a Am1 fuse 40a Battery Battery ground C12 C13 Charge warning light Comb- ination meter Driver side j/b (behind left kick panel) Engine control module (at left side of engine compt, in ecu box) Engine room r/b no.1 (on right side of engine compt, behind strut tower) F13 Gauge fuse 10a Generator If (left kick panel) Ignition switch Ii (upper right side of dash) J/c 1 (at left side of engine compartment in ecu box) J/c 17 (behind upper right side of dash) J/c 17 (right side of dash) J/c 6 (left kick panel) Mpx+ Mpx- Mpx1 Mpx2 Nca Off Red Start Tilt & telescopic ecu (behind left side of dash) Starting Wiring Diagram for Lexus GS 430 2002 List of elements for Starting Wiring Diagram for Lexus GS 430 2002: 26 (3.0l) (4.3l) 3.0l 4.3l Acc Am2 fuse 15a Battery Battery ground Driver side j/b (behind left kick panel) Ee (under abs/ trac/ vsc actuator) Engine control module (at left side of engine compartment, in ecu box) Engine room r/b no. 1 (on right side of engine compartment, behind strut tower) F10 Ignition switch J/c 3, j/c 4 (at left side of engine compartment in ecu box) J/c 5 (in engine room r/b no. 2) J4 a Main fuse 40a Nca Off Park/neutral position switch (on transmission) Sta Start Starter Starter fuse 5a Starter relay
SUPPLEMENTAL RESTRAINTS Supplemental Restraint Wiring Diagram for Lexus GS 430 2002 List of elements for Supplemental Restraint Wiring Diagram for Lexus GS 430 2002: 76 j/c 17 (behind upper right side of dash) (at left front corner of engine compartment) left front air bag sensor (at right front corner of engine compartment) right front air bag sensor (center of rear shell) bl (upper left side of dash) ig (upper right side of dash) ii +sl +sr -sl -sr Air bag squib (front passenger air bag assembly) Air bag squib (steering wheel pad) C12 C13 Center air bag sensor assembly (behind center of dash, forward of center console) Combination meter Data link connector 3 (partial) (behind left side of dash) Driver side j/b (behind left kick panel) Esl Esr F13 Fsl Fsl+ Fsl- Fsr Gauge fuse 10a Hot at all times Hot in on or start Icl+ Icl- Icr+ Icr- Ig1 Ig2 Ign fuse 5a J/c 17 (behind upper right side of dash) J/c 24 (under right front seat) J/c 6 (behind left kick panel) J/c 9 (behind left side of dash) Left air bag curtain shield squib Left pretensioner Left side air bag sensor (near base of left "b" pillar) Left side air bag squib Mpx1 Mpx2 Pl+ Pl- Pnk Pr+ Pr- Rbe+ Right air bag curtain shield squib Right buckle switch Right pretensioner Right side air bag sensor (near base of right "b" pillar) Right side air bag squib Seat belt warning occupant detection sensor Seat belt warning occupant detection sensor (under front passenger's seat) Sfl+ Sfl- Sfr+ Sfr- Sil Solid state Spiral cable Srs warning light Srs-b fuse 5a Ssl Ssl+ Ssl- Ssr Ssr+ Ssr- Tilt & telescopic ecu (behind left side of dash) Vupl Vupr
TRANSMISSION A/T Wiring Diagram for Lexus GS 430 2002 List of elements for A/T Wiring Diagram for Lexus GS 430 2002: 83 (in ecu box) j/c 3, j/c 4 (in engine room r/b 2) (left side of engine compt) data link connector 1 (on left cylinder head) ed (on transmission) (on transmission) (park/neutral position switch a/t indicator switch (right side of dash) j/c 17 +b1 Accelerator position sensor (behind left side of dash) Batt Body ecu 1 (in passenger side j/b) Computer data lines system Data link connector 3 (behind left side of dash) Driver side j/b (behind left kick panel) E01 E02 E03 Eb (middle of left inner fender panel) Ec (on right cylinder head) Ee (under abs/ trac/vsc actuator) Efi fuse 25a Efi relay Electronic controlled transmission solenoid (in transmission) Electronically controlled transmission pattern select switch Engine control module (left side of engine compt, in ecu box) Engine coolant temperature sensor (top right front of engine) Engine room r/b 1 (right side of engine compt) Eoil Eom Epa Eptk Eta Ethw Gauge fuse 10a Hot at all times Hot in on or start Ign fuse 5a Igsw Ii (right side of dash) J/c J/c 11 (left side of dash) J/c 14 (left side of dash) J/c 17 (right side of dash) J/c 27 (behind left kick panel) J/c 3, j/c 4 (in ecu box) J/c 5 (in engine room r/b 2) J/c 7 (left kick panel) J/c 9 (left side of dash) Mpx1 Mpx2 Mrel Nco+ Nco- O/d direct clutch speed sensor Oil Pnk Pwr R n Red Shift lock control ecu (under center console, near selector lever) Sln+ Sln- sln- Slt+ Slt- Slu+ Slu- Snow Sp2+ Sp2- Starting/ charging system Stop fuse 15a Stoplight switch (on brake pedal bracket) Stp Throttle position sensor (on throttle body) Thw Vcpa Vehicle speed sensor Vpa Vpa2 Vptk Vta Vta2 Wfse
TRUNK, TAILGATE, FUEL DOOR Trunk, Tailgate, Fuel Door Wiring Diagrams for Lexus GS 430 2002 List of elements for Trunk, Tailgate, Fuel Door Wiring Diagrams for Lexus GS 430 2002: 35 (in passenger side junction block) Acc Becu Bj (under left "c" pillar) Bk (above left rear wheelwell) Body ecu 1 Bsub Driver side junction block (behind left kick panel) Ecu- b3 fuse 20a Ecu-b2 fuse 10a Ecu-ig fuse 15a F11 F13 Fuel lid opener motor (at left side of luggage compt) Fuel lid opener switch Fuel opn fuse 10a Gnd H10 Hot at all times Hot in accy or run Hot in on or start Ii (right side of dash) J/c 10 (upper left end of dash) J/c 13 (left side of dash) J/c 15 (left side of dash) J/c 20 (above left rear wheelwell) J/c 6 (left kick panel) J/c 7 (left kick panel) Luggage compartment door opener motor Luggage compartment door opener switch Passenger side j/b (behind right kick panel) Passenger side junction block (behind right kick panel) Radio 2 fuse 15a Tr+ Tsw
WARNING SYSTEMS Warning System Wiring Diagrams for Lexus GS 430 2002 List of elements for Warning System Wiring Diagrams for Lexus GS 430 2002: 71 (behind left side of dash) Acc Bdr Becu Bj (under left "c" pillar) Bl (center of rear shelf) Body ecu 1 Body ecu 2 Bsub Buzzer C12 C13 Center airbag sensor assembly (behind center of dash) Combination meter Computer data lines Computer data lines system Cpu Cpub Cty Ctye D fr fuse 20a D22 D23 D24 Dbkl Driver door ecu Driver's side junction block Ecu-b2 fuse 10a Ecu-b3 fuse 20a Ecu-ig fuse 15a Engine room r/b 1 F11 F13 Fsr+ Fsr- Gauge fuse 10a Gnd Gsw Gswo H10 H11 Hot at all times Hot in acc or run Hot in run or start I6 (dash harn, right side of dash) Ii (upper right side of dash) Instrument panel junction block J/c 10 (behind left side of dash) J/c 13 (behind left side of dash) J/c 15 (behind left side of dash) J/c 17 (upper right end of dash) J/c 23 (under left front seat) J/c 24 (under right front seat) J/c 6 (left kick panel) J/c 7 (left kick panel) J/c 9 Ksw Left buckle switch Left front door courtesy switch Mpx1 Mpx2 Passenger side j/b Passenger side seat belt warning light (in clock) Radio fuse 10a Rbe+ Right buckle switch Right buckle switch & seat belt warning occupant detection sensor Seat belt ind Seat belt warning occupant detection sensor Sig Unlock warning switch (behind left side of dash)
WIPER/WASHER Headlamp Washer Wiring Diagram for Lexus GS 430 2002 List of elements for Headlamp Washer Wiring Diagram for Lexus GS 430 2002: 30 (at left front corner of engine compt) Auto Body ecu 2 (in driver side junction block) Combination switch Daytime running light relay (main) Diode (behind right side of dash) Driver side j/b (behind left kick panel) Drl E4 (engine harn, under ecu box) Eb (left front strut tower) Engine room relay block 1 (on right side of engine compt, behind strut tower) H-lp cln fuse 30a Head Head lp relay Headlight cleaner control relay (at left front corner of engine compt, behind headlight) Headlight cleaner motor (at left front corner of engine compt, behind headlight) Headlight cleaner switch Headlights system Hot at all times Hot in on or start Hrly I6 (dash harn, right side of dash) J/c 10 (behind left side of dash) J/c 12 (behind left side of dash) J/c 14 (behind left side of dash) J/c 6 (left kick panel) Light control switch Main fuse 40a Tail off Washer fuse 20a Wiper/Washer Wiring Diagram for Lexus GS 430 2002 List of elements for Wiper/Washer Wiring Diagram for Lexus GS 430 2002: 23 C12 C13 Combination meter Combination switch Driver side j/b (behind left kick panel) Eb (left front strut tower) Front wiper motor (on left side of firewall) Gauge fuse 10a Hot in run or start Ig (upper left side of dash) Int J/c 10 (behind left side of dash) J/c 12 (behind left side of dash) J/c 6 (left kick panel) Off Solid state Washer fuse 20a Washer level warning light Washer level warning switch (at left front corner of engine compt) Washer motor (left front of engine compt) Washer switch Wiper fuse 25a Wiper switch
