Diagram sections — 33 (106 total)
AIR CONDITIONING ANTI-LOCK BRAKES ANTI-THEFT BODY CONTROL MODULES COMPUTER DATA LINES COOLING FAN CRUISE CONTROL DEFOGGERS ELECTRONIC POWER STEERING 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 TRUNK, TAILGATE, FUEL DOOR WARNING SYSTEMS WIPER/WASHER
AIR CONDITIONING Automatic A/C Wiring Diagram, Rear for Lexus LS 430 2004 List of elements for Automatic A/C Wiring Diagram, Rear for Lexus LS 430 2004: 96 (+) (-) (at left kick panel) (at right kick panel) (at right side of shift lever) ii A/c amplifier (in luggage compt) A/c control assembly A/c fuse 7.5a A/c solar sensor (rear) (near center of rear speaker shelf, at base of rear window) A11 A12 Acc Air purifier light Audio & rear a/c control switch Auto B13 B13 (rear of luggage compt) Bm (at left rear quarterpanel) C11 Combination meter Computer data lines system Cool box illumination Cpu Dio Dome fuse 10a Driver side j/b E13 E14 E16 E17 Exo F j15 F11 F12 F13 F15 Frs Fusible link block (on right rear of engine compt) Gauge fuse 7.5a Gnd H j14 Heater control switch (center cluster integration panel) (w/o navigation) Hic Hot at all times Hot in on or acc Hot in on or start Ig+ Ik (at right side of dash) J16 b J17 Junction connector (behind upper center of dash) Junction connector 14 & 15 (behind upper center of dash) g Junction connector 16 & 17 (behind upper center of dash) Junction connector 23 (rearward of left rear fenderwell) L14 Lug j/b fuse 60a Luggage room j/b (on left side of luggage compt) Luggage room j/b ecu Mpx+ Mpx- Mpx-b Mpx-b2 fuse 7.5a Mpx-b3 fuse 7.5a Mpx-ig Mpx-ig fuse 7.5a Multi-display P-acc fuse 7.5a P-gnd P-ig fuse 7.5a Passenger side j/b Passenger side j/b (at right kick panel) Pnk R-b Rauto Rdo Rear blower motor (center rear of vehicle) Rear blower resistor (center rear of vehicle) Rear damper servo motor (rear center of luggage comp) Rear magnetic valve (in rear luggage compt) Red Rfr Rfr1 Rhi Rhr Rlo Rmgv Rr a/c fuse 7.5a Rr ecu-b fuse 7.5a Rslo S5-4 Sfrs Smok Smoke sensor (center rear of vehicle) Tsrr Tx(+) Tx(-)
ANTI-LOCK BRAKES Anti-lock Brakes Wiring Diagram (1 of 2) for Lexus LS 430 2004 List of elements for Anti-lock Brakes Wiring Diagram (1 of 2) for Lexus LS 430 2004: 67 (at left kick panel) (at left rear of engine compt) left front abs speed sensor (at left rear wheel assembly) (at left side of dash) ig (at right rear wheel assembly) right rear abs speed sensor & pad wear indicator switch (at right side of dash) ik (behind left side of dash) skid control ecu with actuator (on brake master cylinder reservoir) brake fluid level warning switch (right rear of engine compt) right front abs speed sensor & pad wear indicator switch (under fusible link block) eb +bs Abs 1 fuse 30a Abs 2 fuse 50a Abs cut relay Abs mtr relay Afs ecu (right side of dash) Brake pedal load sensing switch (on brake pedal bracket, above brake pedal) Canh Canl Computer data lines system Csw D/g Data link connector 3 (below left side of dash) Driver side j/b Driver side j/b (at left kick panel) E14 Ec (at left radiator side support) Ef (on left cylinder head) Engine room 3 r/b (on left rear of engine compt) F j16 Fl+ Fl- Flo Fr+ Fr- Fro Fsw+ Fusible link block (on right rear of engine compt) Gnd1 Gnd2 H j17 Hot at all times Ig1 Init J3 b J4 b Junction connector 16 & 17 (behind upper center of dash) Junction connector 3 & 4 (left front of engine compt) Lbl Left rear abs speed sensor Mrf Parking brake switch (behind left end of dash, on parking brake mechanism) Pkb Pnk Pressure switch (lower left side of dash) Red Rl+ Rl- Rr+ Rr- Sil Sp1 Spdl Spdr Stp Traction control switch Wfse Anti-lock Brakes Wiring Diagram (2 of 2) for Lexus LS 430 2004 List of elements for Anti-lock Brakes Wiring Diagram (2 of 2) for Lexus LS 430 2004: 52 (at left kick panel) (behind upper center of dash) junction connector 10 A/t indicator light switch (park/ neutral position switch) (on right side of transmission) Abs ind Abs-ig fuse 7.5a Bat Brake ind Buzzer Canh Canl Combination meter Computer data lines system Cpu Dome fuse 10a Driver side j/b Driver side j/b ecu (at left kick panel) E10 E13 E16 Engine control module (on left front of engine compt, in protective case) Engine room 1 r/b (on left front of engine compt, behind headlight) Ess F15 Fr-ig fuse 7.5a Gauge fuse 7.5a Gnd Hot at all times Ih (at right side of shift lever) Ii (at right side of shift lever) J12 J13 J16 J17 Junction connector 1 & 2 (left front of engine compt) Junction connector 12 & 13 (behind upper center of dash) Junction connector 16 & 17 (behind upper center of dash) Junction connector 16 & 17 (behind upper j16 center of dash) Mpx-b2 fuse 7.5a Multi-display Passenger side j/b Passenger side j/b (at right kick panel) Red Slip ind Speedometer Steering sensor (inside top of steering column) Stop fuse 5a Stoplight switch (above brake pedal, on bracket) Stpa Stpi Trac off ind Vsc warning buzzer (behind lower left side of dash) Yaw rate sensor (below rear of center console)
ANTI-THEFT Immobilizer Wiring Diagram, with Smart Key System for Lexus LS 430 2004 List of elements for Immobilizer Wiring Diagram, with Smart Key System for Lexus LS 430 2004: 37 (behind upper center of dash) (behind upper right center of dash) theft deterrent ecu (on left front of engine compt, in protective case) engine control module Agnd Ant1 Ant2 Code Computer data lines system Connector 10 & 11 Cpub Efii Efio F12 Gnd Hot at all times Ih (at right side of shift lever) Imi Imo J10 J11 Junction Ksw Mpx Mpx-b1 fuse 7.5a Mpx1 Mpx2 Passenger side j/b (at right kick panel) Push Red Rxck Steering lock ecu (left side of dash) Str lock fuse 7.5a Transponder key amplifier (on right side of steering column) Transponder key coil Txct Unlock warning switch Vc5 Immobilizer Wiring Diagram, without Smart Key System for Lexus LS 430 2004 List of elements for Immobilizer Wiring Diagram, without Smart Key System for Lexus LS 430 2004: 43 (behind upper center of dash) (behind upper right center of dash) theft deterrent ecu (on left front of engine compt, in protective case) engine control module Acc Agnd Ant1 Ant2 C13 Code Computer data lines system Connector 16 & 17 Cpub Efii Efio F17 Gnd Hot at all times Ig2 Ignition switch Ih (at right side of shift lever) Imi Imo J10 J11 J16 J17 Junction Junction connector 10 & 11 (behind upper center of dash) Ksw Lock Mpx Mpx-b1 fuse 7.5a Mpx1 Mpx2 Off Passenger side j/b (at right kick panel) Start Transponder key amplifier (on right side of steering column) Transponder key coil Transponder key computer (behind upper center of dash) Txct Unlock warning switch Vc5 Power Door Locks Wiring Diagram, with Smart Key System (1 of 6) for Lexus LS 430 2004 List of elements for Power Door Locks Wiring Diagram, with Smart Key System (1 of 6) for Lexus LS 430 2004: 70 (center of passenger compt) rear room oscillator (inside top of left front fender, near base of "a" pillar) keyless buzzer (rheostat) +b1 +b2 Acc Air bag sensor assembly (front of center console Bo (at right rear quarterpanel) Bzr Bzr2 Bzr3 Bzrg Clg1 Clg2 Clg3 Clg4 Clg5 Clg6 Clg7 Clg8 Cnsl Computer data lines system D-acc Data Door lock control receiver (inner mirror) (right rear of luggage compt) Door lock control receiver (right rear of luggage compt) Driver side j/b (at left kick panel) F17 F18 Front room oscillator (in center console) Fuse 7.5a Gnd Gsw Hot at all times Hot in on or acc Ig (at left side of dash) Ih (at right side of shift lever) Ii (at right side of shift lever) Ik (at right side of dash) Ind Ind2 J/c 10 & 11 (behind upper center of dash) J/c 14 & 15 (behind upper center of dash) J/c 28 & 29 (rearward of right rear fenderwell) J/c 30 J10 J11 J14 J15 J28 J29 Keyless buzzer on/off switch Mpx Mpx2 Outer luggage oscillator (behind right side of rear bumper) Passenger side j/b (at right kick panel) Rco Rco2 Rda Rda2 Red Rss2 Rssi Security fuse 7.5a Security indicator light Seid Sh- Smart key system cancel switch Theft deterrent ecu (behind upper right center of dash) Theft deterrent horn (on right rear of engine compt) Power Door Locks Wiring Diagram, with Smart Key System (2 of 6) for Lexus LS 430 2004 List of elements for Power Door Locks Wiring Diagram, with Smart Key System (2 of 6) for Lexus LS 430 2004: 69 (behind upper center of dash) j/c 10 & 11 Bm (at left rear quarterpanel) Bu- Bubs Clg6 Computer data lines system Driver side j/b (at left kick panel) Driver side j/b ecu E12 Ec (at left radiator side support) Engine hood courtesy switch (near hood latch, on front center of engine compt) Engine room 1 r/b (on left front of engine compt, behind headlight) Engine room 2 r/b (on left front of engine compt, behind headlight) Fhor Front controller Ftal Fusible link block (on right rear of engine compt) Gnd Haz Haz fuse 15a Hdcy Headlights system Hic Horh Horl Horn fuse 10a Horns system Hot at all times Hrly Ig (at left side of dash) Inner luggage oscillator (left rear of luggage compt) J/c 12 & 13 (behind upper center of dash) J/c 14 & 15 (behind upper center of dash) J/c 23 J/c 24 & 25 (on left rear of luggage compartment lid) J10 J11 J12 J13 J14 J15 J24 J25 Ksw L12 L14 Lpsw Lug j/b fuse 60a Luggage compartment door key unlock switch (in luggage compt) Luggage compartment door opener switch Luggage electrical key switch (in luggage compt decklid) Luggage room j/b (on left side of luggage compt) Luggage room j/b ecu Mpx- Mpx-b Mpx-b3 fuse 7.5a Mpx1 Mpx2 P-gnd Passenger side j/b (at right kick panel) Push Red Steering lock ecu (left side of dash) Tail fuse 7.5a Tkul Tsw Unlock warning switch W/ compass W/o compass Power Door Locks Wiring Diagram, with Smart Key System (3 of 6) for Lexus LS 430 2004 List of elements for Power Door Locks Wiring Diagram, with Smart Key System (3 of 6) for Lexus LS 430 2004: 67 (at left "b" pillar) (inside front of left front door) driver door ecu A1+ A1- Ant1 Ant2 Bdr Bl (at left rear floor partition panel) Cam pos sw1 Cam pos sw2 Cam pos sw3 Clg Clgi Clgo Closer motor Combination switch assembly Computer data lines system Cps1 Cps2 Cps3 Cpse Cpub Cty D24 D25 D38 Door lock motor Driver side j/b (at left kick panel) F23 Full Full latch sw Gnd Half Half latch sw I19 I21 J/c 21 Keye Kul Left front door courtesy switch Left front door key lock & unlock switch & door lock motor & door unlock detection switch (w/o door closer) (in driver's door) Left front door lock actuator assembly Left front door oscillator (in left front door) Left front door outside handle Left front door w/ motor lock assembly (w/ door closer) Lock pos sw Lsw Mpx1 Mpx2 Mul Oscb Osce Pawl sw Pnk Pole Power window master switch Pwe Pws Red Sel Sens Sgt Sig Trg+ Trg- Un lk Wls1 Power Door Locks Wiring Diagram, with Smart Key System (4 of 6) for Lexus LS 430 2004 List of elements for Power Door Locks Wiring Diagram, with Smart Key System (4 of 6) for Lexus LS 430 2004: 78 (under right front seat) ir A1+ A1- Ant1 Ant2 Bdr Cam pos sw1 Cam pos sw2 Cam pos sw3 Clg Clgi Clgo Closer motor Combination switch assembly Computer data lines system Cps1 Cps2 Cps3 Cpse Cpub Cty D door fuse 25a Dle Door lock motor Driver side j/b (at left kick panel) E18 F11 F16 F17 F24 F25 Front passenger door ecu (inside right front door) Full Full latch sw G10 Gnd Half Half latch sw Hot at all times Hot in on or start I10 I13 I15 Ill+ J10 Keye Lh rr door fuse 20a Lock pos sw Lsw Mpx-b1 fuse 7.5a Mpx-ig fuse 7.5a Mpx1 Mpx2 Mul Oscb Osce P door fuse 25a Passenger side j/b (at right kick panel) Pawl sw Pnk Pole Pws Red Rh rr door fuse 20a Right front door courtesy switch (at right "b" pillar) Right front door lock actuator assembly Right front door lock control switch Right front door lock motor & door unlock detection switch (w/o door closer) (in right front door) Right front door oscillator (inside right front door) Right front door outside handle Right front door w/ motor lock assembly (w/ door closer) Sel Sens Sgt Sig Trg+ Trg- Wlsw Power Door Locks Wiring Diagram, with Smart Key System (5 of 6) for Lexus LS 430 2004 List of elements for Power Door Locks Wiring Diagram, with Smart Key System (5 of 6) for Lexus LS 430 2004: 55 (at left "c" pillar) left rear door courtesy switch A1+ A1- Ant1 Ant2 Bdr Cam pos sw1 Cam pos sw2 Cam pos sw3 Clg Clgi Clgo Closer motor Combination switch assembly Computer data lines system Cps1 Cps2 Cps3 Cpse Cpub Cty Dlel Door lock motor Full Full latch sw Gnd Half Half latch sw Left rear door ecu (inside left rear door) Left rear door lock actuator assembly Left rear door lock motor & door unlock detection switch (w/o door closer) (in left rear door) Left rear door oscillator (inside left rear door) Left rear door outside handle Left rear door w/ motor lock assembly (w/ door closer) (in left rear door) Lock pos sw Lsw Mpx1 Mpx2 Oscb Osce Pawl sw Pcti Pnk Pole R12 R13 R32 R36 Red Sel Sens Sgt Sig Trg+ Trg- Power Door Locks Wiring Diagram, with Smart Key System (6 of 6) for Lexus LS 430 2004 List of elements for Power Door Locks Wiring Diagram, with Smart Key System (6 of 6) for Lexus LS 430 2004: 60 A1+ A1- Actuator assembly Ant1 Ant2 Bdr Bn (at right rear floor j/c 27 partition panel) Bo (at right rear quarterpanel) Cam pos sw1 Cam pos sw2 Cam pos sw3 Clg Clgi Clgo Closer motor Combination switch assembly Cps1 Cps2 Cps3 Cpse Cpub Cty Dlel Door lock motor Full Full latch sw Gnd Ground Half Half latch sw J/c 30 Lock pos sw Lsw Mpx1 Mpx2 Oscb Osce Pawl sw Pcti Pnk Pole R14 R15 R35 R37 Red Right rear door courtesy switch (at right "c" pillar) Right rear door ecu (inside right rear door) Right rear door lock Right rear door lock motor & door unlock detection switch (w/o door closer) (in right rear door) Right rear door oscillator (in right rear door) Right rear door outside handle Right rear door w/ motor lock assembly (w/ door closer) (in right rear door) Sel Sel1 Sens Sgt Sig Trg+ Trg- Power Door Locks Wiring Diagram, without Smart Key System (1 of 5) for Lexus LS 430 2004 List of elements for Power Door Locks Wiring Diagram, without Smart Key System (1 of 5) for Lexus LS 430 2004: 71 (at left radiator side support) ec (behind upper center of dash) j/c 10 & 11 (inside top of left front fender, near base of "a" pillar) keyless buzzer (rheostat) (right rear of luggage compt) door lock control receiver (inner mirror) +b1 +b2 Acc Air bag sensor assembly (front of center console Bm (at left rear quarterpanel) Bu- Bubs Bzr Bzr2 Bzr3 Bzrg Computer data lines system D-acc Data Driver side j/b (at left kick panel) Driver side j/b ecu Engine hood courtesy switch (near hood latch, on front center of engine compt) F17 F18 Fuse 7.5a Gnd Gsw Hdcy Headlights system Hot at all times Hot in on or acc Hrly I22 Ih (at right side of shift lever) Ii (at right side of shift lever) Ind J/c 10 & 11 (behind upper center of dash) J/c 12 & 13 (behind upper center of dash) J/c 14 & 15 (behind upper center of dash) J/c 23 J/c 24 on left rear of luggage compartment lid) J10 J11 J12 J13 J14 J15 Keyless buzzer on/off switch Ksw L12 L14 Luggage compartment door key unlock switch (in luggage compt) Luggage room j/b (on left side of luggage compt) Luggage room j/b ecu Mpx Mpx1 Mpx2 P-gnd Passenger side j/b (at right kick panel) h3 Rco Rda Red Rssi Security fuse 7.5a Security indicator light Sh- Theft deterrent ecu (behind upper right center of dash) Theft deterrent horn (on right rear of engine compt) Tkul Transponder key computer (behind upper center of dash) Unlock warning switch Power Door Locks Wiring Diagram, without Smart Key System (2 of 5) for Lexus LS 430 2004 List of elements for Power Door Locks Wiring Diagram, without Smart Key System (2 of 5) for Lexus LS 430 2004: 54 (at left "b" pillar) A1+ A1- Bdr Bl (at left rear floor partition panel) Cam pos sw1 Cam pos sw2 Cam pos sw3 Closer motor Combination switch assembly Computer data lines system Cps1 Cps2 Cps3 Cpse Cpub Cty D24 D25 D38 Door lock motor Driver door ecu (inside front of left front door) Driver side j/b (at left kick panel) F23 Full Full latch sw Gnd Half Half latch sw I19 I21 J/c 21 Keye Kul Left front door courtesy switch Left front door key lock & unlock switch & door lock motor & door unlock detection switch (w/o door closer) (in driver's door) Left front door lock actuator assembly Left front door w/ motor lock assembly (w/ door closer) Lock pos sw Lsw Mpx1 Mpx2 Mul Pawl sw Pole Power window master switch Pwe Pws Red Sig Un lk W/l Wls1 Wlsw Power Door Locks Wiring Diagram, without Smart Key System (3 of 5) for Lexus LS 430 2004 List of elements for Power Door Locks Wiring Diagram, without Smart Key System (3 of 5) for Lexus LS 430 2004: 64 (under right front seat) ir A1+ A1- Bdr Cam pos sw1 Cam pos sw2 Cam pos sw3 Closer motor Combination switch assembly Computer data lines system Cps1 Cps2 Cps3 Cpse Cpub Cty D door fuse 25a Dle Door lock motor Driver side j/b (at left kick panel) E18 F11 F16 F17 F24 F25 Front passenger door ecu (inside right front door) Full Full latch sw G10 Gnd Half Half latch sw Hot at all times Hot in on or start I10 I13 I15 Ill+ J10 Keye Lh rr door fuse 20a Lock pos sw Lsw Mpx-b1 fuse 7.5a Mpx-ig fuse 7.5a Mpx1 Mpx2 Mul P door fuse 25a Passenger side j/b (at right kick panel) Pawl sw Pnk Pole Pws Red Rh rr door fuse 20a Right front door courtesy switch (at right "b" pillar) Right front door lock actuator assembly Right front door lock control switch Right front door lock motor & door unlock detection switch (w/o door closer) (in right front door) Right front door w/ motor lock assembly (w/ door closer) Sig Wlsw Power Door Locks Wiring Diagram, without Smart Key System (4 of 5) for Lexus LS 430 2004 List of elements for Power Door Locks Wiring Diagram, without Smart Key System (4 of 5) for Lexus LS 430 2004: 41 (at left "c" pillar) left rear door courtesy switch A1+ A1- Bdr Bl (at left rear floor partition panel) Cam pos sw1 Cam pos sw2 Cam pos sw3 Closer motor Combination switch assembly Computer data lines system Cps1 Cps2 Cps3 Cpse Cpup Cty Dlel Door lock motor Full Full latch sw Gnd Half Half latch sw J/c 21 Left rear door ecu (inside left rear door) Left rear door lock actuator assembly Left rear door lock motor & door unlock detection switch (w/o door closer) (in left rear door) Left rear door w/ motor lock assembly (w/ door closer) (in left rear door) Lock pos sw Lsw Mpx1 Mpx2 Pawl sw Pcti Pole R13 R32 R36 Red Sig Power Door Locks Wiring Diagram, without Smart Key System (5 of 5) for Lexus LS 430 2004 List of elements for Power Door Locks Wiring Diagram, without Smart Key System (5 of 5) for Lexus LS 430 2004: 44 A1+ A1- Bdr Bn (at right rear floor j/c 27 Bo (at right rear quarterpanel) Cam pos sw1 Cam pos sw2 Cam pos sw3 Closer motor Combination switch assembly Computer data lines system Cps1 Cps2 Cps3 Cpse Cpub Cty Dlel Door lock motor Full Full latch sw Ground Half Half latch sw J/c 30 Lock pos sw Lsw Mpx1 Mpx2 Partition panel) Pawl sw Pcti Pole R14 R35 R37 Red Right rear door courtesy switch (at right "c" pillar) Right rear door ecu (inside right rear door) Right rear door lock actuator assembly Right rear door lock motor & door unlock detection switch (w/o door closer) (in right rear door) Right rear door w/ motor lock assembly (w/ door closer) (in right rear door) Sel1 Sig
BODY CONTROL MODULES Driver Side J/B ECU Wiring Diagram for Lexus LS 430 2004 List of elements for Driver Side J/B ECU Wiring Diagram for Lexus LS 430 2004: 90 (w/ compass) (w/o compass) Acc Am1 fuse 7.5a Anti-lock brakes system Anti-theft system B/anc Bes Bklr Bu+ Bu- Cltb Clte Clts Computer data lines system D b/anc fuse 5a Dbil Dbkl Dbm+ Dmb- Driver side j/b (at left kick panel) Driver side j/b ecu E17 Engine controls system Exterior lights system Fuel Gnd Gnd2 Haz Haz fuse 15a Hdcl Hdcy Hdlo Head Headlights system Hot at all times Hot in run or start Hrly Ig (at left side of dash) Ignition switch Ih (at right side of shift lever) Instrument cluster system Interior lights system J/c 13 (behind upper center of dash) J/c 14 & 15 (behind upper center of dash) J14 J15 Lock Mind Mirrors system Mpx-b Mpx-b3 fuse 7.5a Mpx-ig Mpx-ig fuse 7.5a Mpx1 Mpx2 Mpx3 Msw Off Panel fuse 7.5a Panel1 Panel2 Passenger side j/b (at right kick panel) Passenger side j/b ecu Passive restraint system Pnk R/e Red Ret Rtr Run Shift interlock system Start Stp Stpa Stpi Stpo Sw1 Sw2 Sw3 Tr+ Tr1 Tr2 Tr3 Trunk, tailgate, fuel doors system Tsw Turn lh Turn rh Warning system Wiper/washer system Front Controller Wiring Diagram for Lexus LS 430 2004 List of elements for Front Controller Wiring Diagram for Lexus LS 430 2004: 45 C12 Computer data lines system Cral Crar Driver side j/b (at left kick panel) Engine room 1 r/b (on left front of engine compt, behind headlight) Engine room 2 r/b (on left front of engine compt, behind headlight) Exterior lights system Ffog Fhhi Fhor Fmb3 Fmig Fogl Fogr Fr fog fuse 15a Front controller Frwa Ftail Fwas Gnd H-lp hi fuse 20a Headlights system Hlhl Hlhr Horh Horl Horn fuse 10a Horns system Hot at all times Hot in on or start Ig (at left side of dash) Mpx-b3 fuse 7.5a Mpx-ig fuse 7.5a Mpx1 Mpx2 Passenger side j/b (at right kick panel) Pnk Red Sidl Sidr Tail fuse 7.5a Washer fuse 20a Wiper/washer system Wlvl Luggage Room J/B ECU Wiring Diagram for Lexus LS 430 2004 List of elements for Luggage Room J/B ECU Wiring Diagram for Lexus LS 430 2004: 82 Acc Air conditioning system Auto Bck1 Bdcy Bk/up Bm (at left rear quarterpanel) Bubs Computer data lines system Door locks system Driver side j/b (at left kick panel) Exterior lights system F12 F13 Frs Fsme Fsms Fsmv Fsse Fsss Fssv Fuel opn fuse 10a Fuel opn(o) Fuel opn(p) Fusible link block (on right rear of engine compt) Hic Hot at all times Hot in on or start Instrument cluster system Interior lights system J/c 23 L-o/c(p) L12 L13 L14 Lce1 Lcls Lcm+ Lcm- Lcty Lgcy Lglp Lopn Lpsw Lug j/b fuse 60a Luggage room j/b (on left side of luggage compt) Luggage room j/b ecu Mpx Mpx+ Mpx- Mpx-b Mpx-b3 fuse 7.5a Mpx-ig Mpx-ig fuse 7.5a Navigation system P-gnd Passenger side j/b (at right kick panel) Pnk Power distribution system Power distribution system Power tops system Power windows system Red Rfr Rhr Rmgv Rsc Rss Smok Stop1 Stop2 Stp1 e8a Stp1 e8f Stp2 Stp3 Tail1 Tail2 Til1 c4v Til1 c6d Til3 Tkul Trunk, tailgate, fuel doors system Passenger Side J/B ECU Wiring Diagram for Lexus LS 430 2004 List of elements for Passenger Side J/B ECU Wiring Diagram for Lexus LS 430 2004: 54 Acc Air bag Am1 fuse 7.5a B/anc Back Bkll Computer data lines system Cspt Driver side j/b (at left kick panel) E17 Engine room 1 r/b (on left front of engine compt, behind headlight) Fspt Gnd Gnd1 Headlights system Hot at all times Hot in on or start Ignition switch Ii (at right side of shift lever) Ik (at right side of dash) Ile Instrument cluster system Interior lights system Lcty Lock Memory systems Mpx- Mpx-b Mpx-b2 fuse 7.5a Mpx-ig Navigation system Off P b/anc fuse 5a Passenger side j/b (at right kick panel) Passenger side j/b ecu Passive restraint system Pbil Pbm+ Pbm- Pind Pnk Pwr Rcty Rrsw Run S/m S/s Snow Start Transmissions system Warning system Wip Wip fuse 30a Wiper/washer system
COMPUTER DATA LINES Data Link Connector Wiring Diagram for Lexus LS 430 2004 List of elements for Data Link Connector Wiring Diagram for Lexus LS 430 2004: 33 (at right side of shift lever) ih (below left side of dash) data link connector 3 (front of center console) air bag sensor assembly A20 A24 Air suspension ecu (behind right side of dash) B j3 B j4 Bat Canh Canl Combination meter D/g Driver side j/b (at left kick panel) Ef (on left cylinder head) Engine control module (on left front of engine compt, in protective case) F16 Gateway ecu (behind left end of dash) Hot at all times J/c 13 (behind upper center of dash) J/c 16 & 17 (behind upper center of dash) J/c 3 & 4 (left front of engine compt) J/c 42 (center of dash) J16 J17 Multi- display Obd fuse 7.5a Opa Sil Skid control ecu w/ actuator (behind left side of dash) Tac Tach Wfse High/Low Bus Wiring Diagram (1 of 2) for Lexus LS 430 2004 List of elements for High/Low Bus Wiring Diagram (1 of 2) for Lexus LS 430 2004: 94 (inside right rear door) A/c control assembly Acc Air bag Air bag sensor assembly (front of center console) Atx+ Atx- Audio & rear a/c control switch (w/ rear power seat) Batt Ca1h Ca1l Center cluster integration panel (w/o navigation system) Combination meter Cpu D-acc fuse 7.5a Driver side j/b (at left kick panel) E11 E16 Except mark levinson F11 F13 F17 F18 Front passenger door ecu (inside right front door) Gateway ecu (behind left end of dash) Gnd Gtx+ Gtx- Hot at all times Hot in on or acc Hot in on or start I18 Ih (at right side of shift lever) J/c 10 & 11 (behind upper center of dash) J/c 12 & 13 (behind upper center of dash) J10 J11 J12 J13 Mark levinson Moon roof control ecu (if equipped) (at front of roof opening) Mpd1 Mpd2 Mpi1 Mpi2 Mpl1 Mpl2 Mpx Mpx+ Mpx- Mpx-b2 fuse 7.5a Mpx-ig fuse 7.5a Mpx1 Mpx2 Mtx+ Mtx- Multi- display Navigation ecu (if equipped) (on lower right side of luggage compartment) Overhead j/b (at front of roof opening) Passenger side j/b (at right kick panel) Passenger side j/b ecu (at right kick panel) Pnk R14 Radio & player Rain sensor (if equipped) (near top center of windshield) Red Right rear door ecu Right rear seat ecu (if equipped) (behind right side of rear seat back) S29 Sil Stereo component amplifier (on right side of luggage compartment, behind trim) Stereo component tuner (on lower right side of luggage compartment) T14 T15 T23 Telephone transceiver & speaker relay (on left side of luggage compartment) Tx+ Tx+ mtx+ Tx- Tx- mtx- Tx1+ Tx1- Tx2+ Tx2- Txd+ rtx+ Txd- rtx- Txm+ Txm- Txs+ Txs- Utx+ Utx- W/ mayday system W/ navigation system High/Low Bus Wiring Diagram (2 of 2) for Lexus LS 430 2004 List of elements for High/Low Bus Wiring Diagram (2 of 2) for Lexus LS 430 2004: 82 (behind left side of dash) skid control ecu w/ actuator (behind upper center of dash) j/c 16 & 17 (rearward of right rear fenderwell) j/c 30 A20 A39 Afs ecu (right side of dash) Air suspension ecu (if equipped) (behind right side of dash) Bo (at right rear quarter- panel) Bu+ Bu- Bubs C13 C14 Canh Canl Clearance sonar ecu (w/ navigation) (on left side of luggage compartment) Combination switch D25 D28 Data link connector 3 (below left side of dash) Distance control ecu (w/ dynamic laser cruise control) (behind right side of dash) Driver door ecu (inside front of left front door) Driver seat ecu (below left side of driver's seat) Driver side j/b (at left kick panel) Driver side j/b ecu (at left kick panel) mpx1 E10 Engine control module (on left front of engine compt, in protective case) Engine room 2 r/b (on left front of engine compartment, behind headlight) Front controller I14 Ih (at right side of shift lever) Ii (at right side of shift lever) J/c 29 (rearward of right rear fenderwell) J/c 31 (w/ rear power seat) (behind left rear seat back) J/c 36, 37, 38, 39 40, 41, 42 & 43 (center of dash) J/c 44, 45, 46, 47 & 48 (right side of dash) J/c 49, 50 & 51 (w/ navigation system) (right rear of vehicle) J16 J17 J36 J37 J38 J39 J40 J41 J42 J43 J44 J45 J46 J47 J48 J49 J50 J51 L14 Left rear door ecu (inside left rear door) Left rear seat ecu (behind left side of rear seat back) Luggage room j/b ecu (on left side of luggage compartment) Mpx Mpx+ Mpx- Mpx1 Mpx2 Mpx3 Passenger side j/b (at right kick panel) Pnk Power seat control switch (rear seat) (left side of rear seat) Power tilt & power telescopic ecu (behind left side of dash) R13 Red Sil Steering lock ecu (w/ smart key system) (left side of dash) Steering sensor (inside top of steering column) Television camera ecu (right rear of luggage compt) Theft deterrent ecu (behind upper right center of dash) Transponder key computer (w/o smart key system) (behind upper center of dash) Tx+ Tx- Tx1 W/o navigation system Yaw rate sensor (below rear of center console)
COOLING FAN Cooling Fan Wiring Diagram for Lexus LS 430 2004 List of elements for Cooling Fan Wiring Diagram for Lexus LS 430 2004: 36 (at left radiator side support) ec +b1 A/c control assembly A/c fuse 7.5a A11 Acc Cooling fan ecu (on front center of engine compt, on radiator support) Driver side j/b (at left kick panel) E14 E17 Ed (at top left of dash) Engine control module (on left front of engine compt, in protective case) Engine coolant temperature sensor (on front center of engine) Engine room 1 r/b (on left front of engine compt, behind headlight) F12 Fan fuse 50a Fan relay Fr ig fuse 7.5a Fusible link block (on right rear of engine compt) Gnd Hot at all times Hot in on or acc Hot in on or start Ik (at right side of dash) J14 J15 g Junction connector 1 (left front of engine compt) Junction connector 14 & 15 (behind upper center of dash) Junction connector 3 (left front of engine compt) Junction connector 7 (below engine room 1 j/b & engine room 1 r/b) P-acc fuse 7.5a P-ig fuse 7.5a Passenger side j/b (at right kick panel) Rfc Short connector s1 & s2 (left front of engine compt) Thw
CRUISE CONTROL Cruise Control Wiring Diagram, with Dynamic Laser Controls (1 of 2) for Lexus LS 430 2004 List of elements for Cruise Control Wiring Diagram, with Dynamic Laser Controls (1 of 2) for Lexus LS 430 2004: 73 (below left side of driver's seat) driver side j/b ecu (in engine harness, under engine room 1 j/b) (left front of engine compt) j/c 1 & 2 (left front of engine compt) j/c 3 (on left front of engine compt, in protective case) engine control module +b1 A/t indicator light switch (park/neutral position switch) (on right side of transmission) Accel position sensor (behind left center of dash) Batt C13 Cancel Canh Canl Cchg Ccs Combination switch Compt) Computer data lines system Cruise Cruise control switch Distance control ecu (behind right side of dash) Driver side j/b (at left kick panel) Ec (at left radiator side support) Ecc Efi 1 fuse 25a Efi main relay Engine room r/b 1 (on left front of engine compt, behind headlight) Ep1 Ep2 Epa Epa2 Etcs fuse 10a F16 Fr ig fuse 7.5a Gnd Hot at all times Hot in on or start Igb Ign fuse 7.5a Igsw J/c J/c 35 (left side of dash) J1 j/c 1 & 2 (left front of engine compt) j2 Laser radar sensor (behind right side of front bumper fascia) Lgnd Lrdd Lrrd Mode Mrel Obd fuse 7.5a R/n Red Res/ acc S2 short connector (left front of engine compt) Set/ coast Sftd Sftu Sgnd Short connector (left front of engine Spd Sti- Stop fuse 5a Stoplight switch (above brake pedal, on bracket) Stp Stpi Stpo Transmissions system Vcp1 Vcp2 Vcpa Vpa Vpa1 Vpa2 Cruise Control Wiring Diagram, with Dynamic Laser Controls (2 of 2) for Lexus LS 430 2004 List of elements for Cruise Control Wiring Diagram, with Dynamic Laser Controls (2 of 2) for Lexus LS 430 2004: 61 (behind left side of dash) skid control ecu w/ actuator (below left side of dash) data link connector 3 (on right cylinder head) +bm Bat Combination meter Computer data lines system Cpu Cruise ind Dome fuse 10a Driver side j/b (at left kick panel) E01 E02 E03 E12 E13 E16 E19 Ef (on left cylinder head) Engine control module (on left front of engine compt, in protective case) Eoil F15 Gauge fuse 7.5a Ge01 Hot at all times Hot in on or start Ih (at right side of shift lever) Ii (at right side of shift lever) J/c 10 (behind upper center of dash) J/c 12 &13 (behind upper center of dash) j12 J/c 13 (behind upper center of dash) J/c 16 & 17 (behind upper center of dash) J/c 3 & 4 (left front of engine compt) J12 J16 J17 Me01 Mpx-b2 fuse 7.5a Multi- display Oil Passenger side j/b (at right kick panel) Red Shield Sl1+ Sl1- Sl2+ Sl2- Slt+ Slt- Slu+ Slu- Sp1 Sp2+ Sp2- Speedometer Throttle position sensor & motor (on throttle body) Transmissions system Vc1 Vehicle speed sensor (on transmission) Vta1 Vta2 Cruise Control Wiring Diagram, without Dynamic Laser Controls (1 of 2) for Lexus LS 430 2004 List of elements for Cruise Control Wiring Diagram, without Dynamic Laser Controls (1 of 2) for Lexus LS 430 2004: 61 (in engine harness, under engine room 1 j/b) +b1 A j1 A/t indicator light switch (park/neutral position switch) (on right side of transmission) Accel position sensor (behind left center of dash) B j2 Batt C13 Cancel Canh Canl Ccs Combination switch Computer data lines system Cruise Cruise control switch Driver side j/b (at left kick panel) Driver side j/b ecu (at left kick panel) Ec (at left radiator side support) Ecc Efi 1 fuse 25a Efi main relay Engine control module (on left front of engine compt, in protective case) Engine room r/b 1 (on left front of engine compt, behind headlight) Ep1 Ep2 Epa Epa2 Etcs fuse 10a F16 Fr ig fuse 7.5a Hot at all times Hot in on or start Ign fuse 7.5a Igsw J/c J/c 1 & 2 (left front of engine compt) J/c 3 (left front of engine compt) J/c 35 (left side of dash) Mrel Obd fuse 7.5a Red Res/ acc S2 short connector (left front of engine compt) Set/ coast Sftd Sftu Spd St1- Stop fuse 5a Stoplight switch (above brake pedal, on bracket) Stp Stpi Stpo Transmissions system Vcp1 Vcp2 Vcpa Vpa Vpa1 Vpa2 Cruise Control Wiring Diagram, without Dynamic Laser Controls (2 of 2) for Lexus LS 430 2004 List of elements for Cruise Control Wiring Diagram, without Dynamic Laser Controls (2 of 2) for Lexus LS 430 2004: 57 (below left side of dash) data link connector 3 (left front of engine compt) j/c 3 & 4 (on right cylinder head) Bat Combination meter Computer data lines system Cpu Cruise ind Dome fuse 10a Driver side j/b (at left kick panel) E01 E02 E03 E12 E13 E16 E19 Ef (on left cylinder head) Engine control module (on left front of engine compt, in protective case) Eoil F15 Gauge fuse 7.5a Ge01 Hot at all times Hot in on or start Ih (at right side of shift lever) Ii (at right side of shift lever) J/c 10 (behind upper center of dash) J/c 12 (behind upper center of dash) J/c 13 (behind upper center of dash) J/c 16 & 17 (behind upper center of dash) J/c 16 & 17 (behind upper center of dash) j16 J16 J17 Me01 Mpx-b2 fuse 7.5a Oil Passenger side j/b (at right kick panel) Red Shield Sl1+ Sl1- Sl2+ Sl2- Slt+ Slt- Slu+ Slu- Sp2+ Sp2- Speedometer Throttle position sensor & motor (on throttle body) Transmissions system Vc1 Vehicle speed sensor (on transmission) Vta1 Vta2
DEFOGGERS Heated Mirrors Wiring Diagram for Lexus LS 430 2004 List of elements for Heated Mirrors Wiring Diagram for Lexus LS 430 2004: 41 & 13 (behind upper center of dash) (forward of left rear fenderwell) A39 Bdr Bl (at left rear floor partition panel) Computer data lines system Cpub D door fuse 25a D25 Driver door ecu (inside front of left front door) Driver side j/b (at left kick panel) F11 F17 Front passenger door ecu (inside right front door) G10 Gnd Hot at all times Hot in on or start Htr+ Htr- I15 Ir (under right front seat) J/c 10 & 11 (behind upper center of dash) J/c 12 J/c 21 J10 J11 J12 f J13 Left remote control mirror Mirror heater Mpx-b1 fuse 7.5a Mpx-ig fuse 7.5a Mpx1 Mpx2 P door fuse 25a Passenger side j/b (at right kick panel) R40 Red Right remote control mirror Sig Rear Defogger Wiring Diagram for Lexus LS 430 2004 List of elements for Rear Defogger Wiring Diagram for Lexus LS 430 2004: 21 A/c control assembly (behind right side of dash) A11 C13 Defog fuse 40a Defog relay Driver side j/b (at left kick panel) Engine room 2 r/b (on left front of engine compartment, behind headlight) Engine room r/b 1 (on left front of engine compt, behind headlight) Fr ig fuse 7.5a Fusible link block (on right rear of engine compt) Hot at all times Hot in on or start Ig (at left side of dash) J/c 1 (near engine control module, in protective case) J/c 27 (forward of right rear fenderwell) Noise filter (rear window defogger) (behind left headlight) R22 R23 Rdfgr Rear window defogger (at rear window) Red
ELECTRONIC POWER STEERING Electronic Power Steering Wiring Diagram for Lexus LS 430 2004 List of elements for Electronic Power Steering Wiring Diagram for Lexus LS 430 2004: 32 (at right kick panel) (behind upper center of dash) junction connector 16 & 17 Abs-ig fuse 7.5a Combination meter Cpu Dome fuse 10a Driver side j/b (at left kick panel) E10 E13 E16 F15 Gauge fuse 7.5a Gnd Hot at all times Hot in on or start Ih (at right side of shift lever) Ii (at right side of shift lever) J16 J17 Junction connector 10 (behind upper center of dash) Junction connector 12 (behind upper center of dash) Junction connector 16 (behind upper center of dash) Mpx-b2 fuse 7.5a Passenger side j/b Passenger side j/b (at right kick panel) Pps ecu (right side of dash) Pps solenoid (on left front of engine compt) Red Sol+ Sol- Spd Speedometer
ELECTRONIC SUSPENSION Electronic Suspension Wiring Diagram (1 of 2) for Lexus LS 430 2004 List of elements for Electronic Suspension Wiring Diagram (1 of 2) for Lexus LS 430 2004: 91 (at left side of dash) ig (at right rear quarterpanel) (behind right side of dash) air suspension ecu (inside left front fenderwell, attached to suspension control arm) left front height control sensor (inside right front fenderwell, attached to suspension control arm) right front height control sensor (on left side of engine compt) left front suspension control actuator (on right side of engine compt) right front suspension control actuator (under fusible link block) eb A20 A21 A22 Abs-ig fuse 7.5a Acceleration sensor (on left side of luggage compartment, behind left rear fenderwell) Airsus fuse 20a Canh Canl Computer data lines system D j28 Driver side j/b (at left kick panel) E10 Ec (at left radiator side support) Erl Err Ess Fal+ Fal- Far+ Far- Fbl+ Fbl- Fbr+ Fbr- Ggnd Gl1 Gnd Hot in on or start Hsw Ig (at left side of dash) Ig1 J/c 17 (behind upper center of dash) J/c 18 (behind upper right side of dash) J/c 28 & 29 (rearward of right rear fenderwell) J/c 30 (rearward right rear of fenderwell) J29 Left rear height control sensor (left rear of luggage compt) Left rear suspension control actuator (near base of left "c" pillar) Pnk Ral+ Ral- Rar+ Rar- Rbl+ Rbl- Rbr+ Rbr- Red Right rear height control sensor (right rear of luggage compt) Right rear suspension control actuator (near base of right "c" pillar) Rm+ Rm- Sbl1 Sbl2 Sbl3 Sbr1 Sbr2 Sbr3 Sgfl Sgfr Sgl2 Sgl3 Sgr1 Sgr2 Sgr3 Sgrr Shb Shf2 Shfl Shfr Shg Shr2 Shrl Shrr Sil Slex Slfl Slfr Slrl Slrr Steering sensor (inside top of steering column) Sw1 Vgs Electronic Suspension Wiring Diagram (2 of 2) for Lexus LS 430 2004 List of elements for Electronic Suspension Wiring Diagram (2 of 2) for Lexus LS 430 2004: 55 (at right side of dash) ik (on right front of engine compt) height control compressor (right end of dash) short connector (height control) A38 shfl A39 Absorber control switch Afs ecu (right side of dash) Air sus relay Airsus fuse 40a C15 Combination meter Computer data lines system Cpu Driver side j/b (at left kick panel) Driver side j/b ecu (at left kick panel) Ea (at right radiator side support) Eb (under fusible link block) F15 Front height control valve (on right front of engine compt) Fusible link block (on right rear of engine compartment) Gauge fuse 7.5a Height control exhaust valve (right front of vehicle, behind bumper) Height control switch Hot at all times Hot in on or start Ii (at right radiator side shift lever) Ii (at right side of shift lever) Ik (at right side of dash) Interior lights system J/c 12 (behind upper center of dash) J/c 14 (behind upper center of dash) J/c 23 (rearward of left rear fenderwell) J12 J17 j/c 16 & 17 (behind upper center of dash) j16 Lh+ Luggage room j/b (on left side of luggage compt) Mpx1 Mpx2 Passenger side j/b (at right kick panel) Pnk Rear height control valve (near front of engine compt) Rh+ Rm+ Rm- S43 S45 Sbf Sgf Short connector (right end of dash) Shrl Solid state Stop fuse 5a Stop light switch (above brake pedal, on bracket) Stpi Tems sport ind
ENGINE PERFORMANCE
4.3L 4.3L, Engine Performance Wiring Diagram (1 of 7) for Lexus LS 430 2004 List of elements for 4.3L, Engine Performance Wiring Diagram (1 of 7) for Lexus LS 430 2004: 68 (behind upper center of dash) (right side of shift lever) ih +b1 A/c system Accelerator position sensor (behind left center of dash) Anti-theft system Batt C12 Canh Canl Ccv Combination meter Computer data lines system Cooling fans system Cpu Data link connector 3 (below left side of dash) Ec (left radiator side support) Engine control module (ecm) (on left front of engine compt, in protective case) Ep1 Ep2 Epa Epa2 Fpr Ht1b Ht2b I2 (in dash harness, behind upper left side of dash) Igsw Ii (right side of shift lever) Imi Imo J/c 10 J/c 12 J/c 13 (behind upper center of dash) J/c 16, j/c 17 J/c 16, j/c 17 (behind upper center of dash) J/c 35 (left side of dash) J16 J17 Mil ind Mrel O1b- O2b- Ox1b Ox2b Ptnk Pwr Red Rfc Sftd Sftu Short s2 connector s1 Snow Spd Speedo- meter Sta Stp Tac Tach Tam Tbp Vapor pressure sensor (below right rear of vehicle) Vcc Vcp1 Vcp2 Vcpa Vpa Vpa1 Vpa2 4.3L, Engine Performance Wiring Diagram (2 of 7) for Lexus LS 430 2004 List of elements for 4.3L, Engine Performance Wiring Diagram (2 of 7) for Lexus LS 430 2004: 30 C/ opn relay Dome fuse 10a Driver side j/b (at left kick panel) Driver side j/b ecu (at left kick panel) E13 E16 E9 (in engine harness, under engine room no. 1 j/b) Ec (left radiator side support) Efi 1 fuse 25a Efi main relay Engine room r/b 1 (on left front of engine compt, behind headlight) F/ pmp relay Fuel pump & fuel sender (under left rear of vehicle) Fuel pump resistor (left rear of engine compt) Gauge fuse 7.5a Hot at all times Hot in on or start J/c 1, j/c 2 (left front engine compt) J/c 23 (rearward of left rear fender- well) J/c 7 (below engine room j/b 1) Mpx-b2 fuse 7.5a Passenger side j/b (at right kick panel) Red S43 S44 Short connector Stpi Stpo Vsv (canister closed valve) (on right side of engine compt) Vsv (pressure switching valve) (below right rear of vehicle) 4.3L, Engine Performance Wiring Diagram (3 of 7) for Lexus LS 430 2004 List of elements for 4.3L, Engine Performance Wiring Diagram (3 of 7) for Lexus LS 430 2004: 52 (at left kick panel) driver side j/b (below engine room j/b 1) j/c 7 (in engine harness, under ecu box) (left front of engine compt) j/c 33, 34 (on right side of transmission) park/neutral position switch Acc C14 Ec (left radiator side support) Efi 2 fuse 7.5a Eknk Eknk2 Engine control module (ecm) (on left front of engine compt, in protective case) Engine room r/b 1 (on left front of engine compt, behind headlight) Eoil F14 Fr ig fuse 7.5a Fusible link block (on right rear of engine compt) Hot at all times Hot in on or start Ign fuse 7.5a Ignition switch J33 J34 Knk1 Knk2 Left knock sensor (on left side of engine) Lock Mol Nt+ Nt- Oil Oil pressure switch (lower left front of engine) P/n Red Right knock sensor (on right side of engine) Sl1+ Sl1- Sl2+ Sl2- Slt+ Slt- Slu+ Slu- Sp2+ Sp2- St fuse 30a Sta fuse 7.5a Star Start Starter relay Turbine speed sensor (in transmission) Vehicle speed sensor (on transmission) 4.3L, Engine Performance Wiring Diagram (4 of 7) for Lexus LS 430 2004 List of elements for 4.3L, Engine Performance Wiring Diagram (4 of 7) for Lexus LS 430 2004: 20 (above brake pedal, on bracket) stoplight switch (on left center of engine) engine oil level sensor A/t indicator light switch Driver side j/b (at left kick panel) Electronically controlled transmission solenoid (on left side of transmission) Hot at all times Ik (at right side of dash) Ot+ Ot- Red Sl1+ Sl1- Sl2+ Sl2- Slt+ Slt- Slu+ Slu- Stop fuse 5a Transmission control switch 4.3L, Engine Performance Wiring Diagram (5 of 7) for Lexus LS 430 2004 List of elements for 4.3L, Engine Performance Wiring Diagram (5 of 7) for Lexus LS 430 2004: 32 (at right kick panel) passenger side j/b ecu (engine harn, top center rear of engine) (engine harn, top rear of left cyl head) (left front of engine compt) j/c 33, j/c 34 (right front of engine) right bank noise filter (ignition) Computer data lines system E12 E13 E2 (in engine harn, near ecu box) Ef (on left cylinder head) Electronically controlled transmission pattern select switch Engine room r/b 1 (on left front of engine compt, behind head- light) 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 2) (on exhaust system, below vehicle) Heated oxygen sensor (bank 2 sensor 2) (on exhaust system, below vehicle) Hot in on or start Ik (right side of dash) Inj fuse 10a J/c 3, j/c 4 (left front of engine compt) J33 J34 Mpx- Pwr Red Snow 4.3L, Engine Performance Wiring Diagram (6 of 7) for Lexus LS 430 2004 List of elements for 4.3L, Engine Performance Wiring Diagram (6 of 7) for Lexus LS 430 2004: 22 (engine harn, rear top of left cyl head) (engine harn, top center of right cyl head) (left front of engine compt) j/c 33, j/c 34 (left rear of engine) left bank noise filter (ignition) Braided E11 E12 (engine harn, top center rear of engine) E13 Ee (on right cyl head) Ef (on left cyl head) 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/c 33, j/c 34 (left front of engine compt) J33 J34 Red 4.3L, Engine Performance Wiring Diagram (7 of 7) for Lexus LS 430 2004 List of elements for 4.3L, Engine Performance Wiring Diagram (7 of 7) for Lexus LS 430 2004: 69 (engine harn, top center rear of engine) (on exhaust system, on right side of engine) heated oxygen sensor (bank 2 sensor 1) (on front of right cyl head) right camshaft timing oil control valve (on left rear of engine) vsv (evap) (on right rear of engine) vsv (acis) (on right side of engine compt, near air box) mass air flow meter (on right side of engine) right vvt sensor +bm 02a- Acis Braided Camshaft position sensor (on front of left cyl head) Crankshaft position sensor (on left front of engine) E01 E02 E03 E12 E2g Ee (on right cyl head) Ef (on left cyl head) Engine control module (ecm) (on left front of engine compt, in protective case) Engine coolant temperature sensor (on front center of engine) Engine room r/b 1 (on left front of engine compt, behind head- light) Etcs fuse 10a G2+ G2- Generator Heated oxygen sensor (bank 1 sensor 1) (on exhaust system, on left side of engine) Hot at all times Ht1a Ht2a Htl Htr Igf1 Igf2 Igt1 Igt2 Igt3 Igt4 Igt5 Igt6 Igt7 Igt8 Left camshaft timing oil control valve (on front of left cylinder head) Left vvt sensor (on left side of engine) M031 Ne+ Ne- O1a- Oc1+ Oc1- Oc2+ Oc2- Ox1a Ox2 Ox2a Prg Red Shield Tha Throttle position sensor & motor (on throttle body) Thw Vc1 Vta1 Vta2 Vv1+ Vv1- Vv2+ Vv2-
EXTERIOR LIGHTS Back-up Lamps Wiring Diagram for Lexus LS 430 2004 List of elements for Back-up Lamps Wiring Diagram for Lexus LS 430 2004: 38 (behind left end of dash) gateway ecu (center of dash) junction connector (on left side of luggage compartment) luggage room j/b Back-up light switch (park/neutral position switch) Bck1 Bk/up Bm (at left rear quarterpanel) Ca1h Ca1l Canh Canl Engine control module (on left front of engine compt, in protective case) Engine room 1 r/b (on left front of engine compt, behind headlight) Fr ig fuse 7.5a Fusible link block (on right rear of engine compt) Hot at all times Hot in on or start Ih (at right side of shift lever) J/c 1 & 2 (left front of engine compt) J/c 23 J/c 24 & 25 (on left rear of luggage compt lid) J24 J25 J36 J39 J40 L12 L14 Left back-up light Left rear combination light Lug j/b fuse 60a Luggage room j/b ecu Mpl1 Mpx- P-gnd Red Right back-up light Right rear combination light Exterior Lamps Wiring Diagram (1 of 2) for Lexus LS 430 2004 List of elements for Exterior Lamps Wiring Diagram (1 of 2) for Lexus LS 430 2004: 63 Bm (at left rear quarterpanel) Bubs Combination meter Cpu Dome fuse 10a Driver side j/b (at left kick panel) E13 E16 Fusible link block (on right rear of engine compt) Gateway ecu (behind left end of dash) Gauge fuse 7.5a High mounted stop light Hot at all times Hot in on or start Ih (at right side of shift lever) Ii (at right side of shift lever) J/c 10 (behind upper center of dash) J/c 12 (behind upper center of dash) J/c 16 & 17 (behind upper center of dash) J/c 23 J/c 24 & 25 (on left rear of luggage compt lid) J16 J17 J24 J24 c J24 f J25 J25 b L12 L13 L14 Lce lp fuse 7.5a Lce1 Left license plate light Left rear combination light Lug j/b fuse 60a Luggage room j/b (on left side of luggage compartment) Luggage room j/b ecu Mpi2 Mpl1 Mpx+ Mpx- Mpx-b2 fuse 7.5a P-gnd Passenger side j/b Passenger side j/b (at right kick panel) Pnk Red Right license plate light Right rear combination light Side marker lamp Stop & tail lamp Stop1 Stop2 Stp1 Stp2 Stp3 Tail ind (canada) Tail1 Tail2 Til1 Til3 Turn lamp Exterior Lamps Wiring Diagram (2 of 2) for Lexus LS 430 2004 List of elements for Exterior Lamps Wiring Diagram (2 of 2) for Lexus LS 430 2004: 55 (at left side of dash) ig Bu+ Bu- Combination meter Combination switch Cral Crar Driver side j/b (at left kick panel) Driver side j/b ecu E13 E18 Ea (at right radiator side support) Ec (at left radiator side support) Engine room 1 r/b (on left front of engine compt, behind headlight) Engine room 2 r/b (on left front of engine compt, behind headlight) F11 Front controller Ftail Haz Haz fuse 15a Hazard switch Hot at all times Hot in on or start Ih (at right side of shift lever) Ii (at right side of shift lever) J/c 13 (behind upper center of dash) J/c 14 & 15 (behind upper center of dash) J14 J15 Left front parking light Left front side marker light Left front turn signal light Left turn signal ind Mpx-b3 fuse 7.5a Mpx-ig fuse 7.5a Mpx1 Mpx2 Passenger side j/b (at right kick panel) Power tilt & power telescopic ecu (behind left side of dash) Red Right front parking light Right front side marker light Right front turn signal light Right turn signal ind Sidl Sidr Stop fuse 5a Stoplight switch (above brake pedal, on bracket) Stpi Tail fuse 7.5a Turn lh Turn rh Tx1 W/ compass W/o compass
GROUND DISTRIBUTION Ground Distribution Wiring Diagram (1 of 5) for Lexus LS 430 2004 List of elements for Ground Distribution Wiring Diagram (1 of 5) for Lexus LS 430 2004: 46 (on left front of engine compt, behind headlight) engine room 1 r/b (on right rear of engine compt) fusible link block Blower motor Brake fluid level warning switch Brake pedal load sensing switch Cooling fan ecu E1 (in engine harness, under ecu box) E4 (in engine harness, behind right headlight) E5 (in engine harness, at center of right inner fender panel) E6 (in engine harness, behind left headlight) Ea (at right radiator side support) Eb (under fusible link block) Ec (at left radiator side support) Ed (at top left of dash) Efi main relay Engine control module Engine hood courtesy switch Exhaust gas sensor Fan relay Front height control valve Front wiper motor Headlight cleaner control relay Height control compressor Height control exhaust valve Ig1 relay Ig2 relay J/c 3 (left front of engine compt) J/c 7 (below engine room 1 j/b & engine room 1 r/b) Left front fog light Left front parking light Left front side marker light Left front suspension control actuator Left front turn signal light Left headlight (high beam) Left headlight control ecu Park/ neutral position switch Right front fog light Right front parking light Right front side marker light Right front suspension control actuator Right front turn signal light Right headlight (high beam) Right headlight control ecu Skid control ecu w/ actuator Washer level sensor Washer motor Ground Distribution Wiring Diagram (3 of 5) for Lexus LS 430 2004 List of elements for Ground Distribution Wiring Diagram (3 of 5) for Lexus LS 430 2004: 55 (on right rear of engine compt) fusible link block A/c control assembly A11 A24 A39 Absorber control switch Afs ecu Afs off switch Air bag sensor assembly Air sus relay B1 (in body harness, at right side of windshield header) C15 Center cluster integration panel Clock Combination meter Console box illumination Door lock control receiver (inner mirror) E14 Electronically controlled transmission pattern select switch F15 Front cigarette lighter Front room oscillator Glove box light Gnd Gnd3 Hazard switch Height control switch I4 (in dash harness, behind upper left center console) I8 (right top of dash) Ii (at right side of shift lever) Ik (at right side of dash) J46 Junction connector Left front vanity light Left rear interior light Left rear vanity light Mayday sw (overhead j/b) Moon roof control ecu Overhead j/b P-acc relay P-ig1 relay Passenger side j/b (at right kick panel) Passenger side j/b ecu Power outlet Pps ecu Right front buckle switch Right front vanity light Right rear interior light Right rear vanity light Shift lock control ecu Short connector (height control) Telephone transceiver & speaker relay Traction control switch, left front seat heater switch, right front seat heater switch, left front climate control seat switch, right front climate control seat switch, headlight cleaner switch, rear sunshade switch (front), rear seat reset switch W/o navigation Yaw rate sensor Ground Distribution Wiring Diagram (4 of 5) for Lexus LS 430 2004 List of elements for Ground Distribution Wiring Diagram (4 of 5) for Lexus LS 430 2004: 66 (in body harness, under front of left front seat) b5 Audio & rear a/c control switch B14 (center of rear seat) B5 (in body harness, under front of left front seat) B8 (in body harness, under left center of rear backrest) Bl (at left rear floor partition panel) Bm (at left rear quarterpanel) Bp (at left rear seat back) C27 Clearance sonar ecu Climate control seat ecu (driver's seat) Climate control seat ecu (left rear seat) Climate control seat switch (rear) D25 D27 D28 Door lock switch (luggage) Driver door ecu Driver seat ecu Fuel lid opener motor Fuel pump Gnd High mounted stop light J/c 21 (forward of left rear fenderwell) J/c 23 (rearward of left rear fenderwell) J/c 24 & 25 (on left rear of luggage compt lid) J/c 31 (behind left rear seat back) J24 J25 L14 Left front buckle switch Left front seat heater Left rear combin- ation light Left rear door ecu Left rear head rest limit switch Left rear seat ecu Left rear suspension control actuator Left vibration seat ecu Luggage compartment door closer motor Luggage compartment door key unlock switch Luggage electrical key switch Luggage oscillator (inner) Luggage room j/b (on left side of luggage compt) Luggage room j/b ecu Noise filter Power seat control switch (driver's seat cushion) Power seat control switch (driver's seat lumbar support) Power seat control switch (rear) Power seat motor & position sensor (driver's seat head rest control) Power seat motor & position sensor (rear passenger's left seat head rest top & bottom control) Power seat position sensor (driver's seat cushion control) Power seat position sensor (driver's seat front vertical control) Power seat position sensor (driver's seat lifter control) Power seat position sensor (driver's seat reclining control) Power seat position sensor (driver's seat slide control) Power seat position sensor (rear passenger's left seat slide control) R13 Rear armrest courtesy switch Rear height control valve Rear sunshade control relay Rear sunshade switch (rear) Right rear combin- ation light Sgnd To luggage room j/b (diagram 5 of 5) W/ rear audio controller W/ rear power seat Ground Distribution Wiring Diagram (5 of 5) for Lexus LS 430 2004 List of elements for Ground Distribution Wiring Diagram (5 of 5) for Lexus LS 430 2004: 69 (in body harness, at right side of luggage compt) b3 A/c amplifier Air purifier light B10 B10 (in body harness, under right center of rear backrest) B11 (in body harness, under right center of right rear backrest) B13 (rear of luggage compt) B13 rear of luggage compt) B7 (in body harness, under right front seat) Bn (at right rear floor partition panel) Bo (at right rear quarterpanel) Bq (at right rear seat back) C29 Cigarette lighter (rear) Climate control seat ecu (front passenger's seat) Climate control seat ecu (right rear seat) Cool box illumination Door lock control receiver F17 From luggage room j/b (diagram 4 of 5) Front passenger door ecu Gnd Gnd1 Ir (under right front seat) J/c 27 (forward of right rear fenderwell) J/c 28 & 29 (rearward of right rear fenderwell) J/c 30 (rearward of right rear fenderwell) J28 J29 J51 Junction connector Left rear seat heater Luggage oscillator (inner) Luggage room j/b (on left side of luggage compt) Navigation ecu Power seat control switch (front passenger's seat lumbar support) Power seat control switch (front passenger's seat) Power seat motor & position sensor (rear passenger's right seat head rest top & bottom control) Power seat position sensor (rear passenger's right seat slide control) R14 R23 Rear blower motor Rear cigarette lighter Rear damper servo motor Rear window defogger Right armrest courtesy switch (w/ rear seat heater) Right front seat heater Right rear door ecu Right rear head rest limit switch Right rear pad wear indicator switch (right rear abs speed sensor) Right rear seat ecu Right rear seat heater Right rear suspension control actuator Right vibration seat ecu Room oscillator (rear) S30 Seat heater switch (rear) Sel1 Sgnd Smoke sensor Snse Stereo component amplifier Stereo component tuner T15 T25 Telephone transceiver & speaker relay Television camera ecu W/ rear power seat W/o rear power seat
HEADLIGHTS Adaptive Front Lighting Wiring Diagram (1 of 2) for Lexus LS 430 2004 List of elements for Adaptive Front Lighting Wiring Diagram (1 of 2) for Lexus LS 430 2004: 68 A38 A39 Afs ecu (right side of dash) Bl1+ Bl1- Bl2+ Bl2- Br1+ Br1- Br2+ Br2- C17 Computer data lines system Flo Fro Gnd H-lp lvl fuse 5a H28-a H28-b H29-a H29-b Hall ic Hot in on or start Left headlight Left headlight beam level control actuator (behind left headlight) Left headlight swivel motor Ll1+ Ll1- Ll2+ Ll2- Lr1+ Lr1- Lr2+ Lr2- Motor motor Mpx1 Mpx2 Msw Passenger side j/b (at right kick panel) Pnk Red Right headlight Right headlight beam level control actuator (behind right headlight) Right headlight swivel motor S2+ S2- S43 S44 short connector s43 & s44 (right end of dash) Sbf Sbr Sensor Sgf Sgr Shfl Shrl Skid control ecu w/ actuator (behind left side of dash) Smbl Smbr Smgl Smgr Sml Smr Spdl Spdr Ss+ Ss- Vdd Vout Adaptive Front Lighting Wiring Diagram (2 of 2) for Lexus LS 430 2004 List of elements for Adaptive Front Lighting Wiring Diagram (2 of 2) for Lexus LS 430 2004: 70 (behind right side of dash) air suspension ecu (under center rear of vehicle) A20 A21 A22 Abs-ig fuse 7.5a Afs off ind Afs off switch B j16 Bat Combination meter Cpu D j17 Dome fuse 10a Driver side j/b (at left kick panel) E10 E13 E16 Ess F15 Gateway ecu (behind left end of dash) Gauge fuse 7.5a Hot at all times Hot in on or start Ig (at left side of dash) Ig1 Ih (at right side of shift lever) Ii (at right side of shift lever) Ik (at right side of dash) J/c 10 (behind upper center of dash) J/c 12 & 13 (behind upper center of dash) J/c 16 & 17 (behind upper center of dash) J/c 17 (behind upper center of dash) J12 J13 Left front height control sensor (inside left front fenderwell, attached to suspension control arm) Left rear height control sensor (left rear of luggage compt) Mpi2 Mpx-b2 fuse 7.5a Passenger side j/b (at right kick panel) Pnk Rear height control sensor Red Right rear height control sensor (right side of luggage compt) S43 S44 Sbl1 Sbl2 Sbl3 Sbr2 Sgf Sgl1 Sgl2 Sgl3 Sgr2 Shb Shf2 Shfl Shg Short connector s43 & s44 (right end of dash) Shr2 Shrl Shrr Speedo- meter Ss1+ Ss1- Steering column) Steering sensor (inside top of W/ electronic modulated air suspension W/o electronic modulated air suspension Headlamps Wiring Diagram (1 of 2) for Lexus LS 430 2004 List of elements for Headlamps Wiring Diagram (1 of 2) for Lexus LS 430 2004: 61 (at left radiator side support) ec (right rear of luggage compt) door lock control receiver (inner mirror) Automatic light control sensor (behind upper center of dash) Brake fluid level warning switch (on brake master cylinder reservoir) Bu+ Bu- Bubs Canh Canl Cltb Clte Clts Combination switch Computer data lines system Cty D25 Data Driver door ecu (inside front of left front door) Driver side j/b (at left kick panel) Driver side j/b ecu E14 F11 Gnd Head Hot at all times Hot in on or start Hrly Ig (at left side of dash) Ii (at right side of shift lever) J14 Junction connector (behind upper center of dash) Junction connector 14 & 15 (behind upper j15 center of dash) Junction connector 7 (below engine room 1 j/b & engine room 1 r/b) L14 Lbl Left front door courtesy switch (at left "b" pillar) Luggage room j/b ecu (on left side of luggage compartment) Mpx+ Mpx- Mpx-b Mpx-b3 fuse 7.5a Mpx-ig Mpx-ig fuse 7.5a Mpx1 Mpx2 Parking brake switch (behind left end of dash, on parking brake mechanism) Passenger side j/b (at right kick panel) Pkb Pnk i14 Power tilt & power telescopic ecu (behind left side of dash) Rco Rda Red Rssi Skid control ecu w/ actuator (behind left side of dash) Steering lock ecu (left side of dash) Theft deterrent ecu (behind upper right center of dash) Transponder key computer (behind upper center of dash) Tx1 W/ smart key W/o smart key Headlamps Wiring Diagram (2 of 2) for Lexus LS 430 2004 List of elements for Headlamps Wiring Diagram (2 of 2) for Lexus LS 430 2004: 62 (at right side of shift lever) ih (on left front of engine compt, behind headlight) Afs ecu (right side of dash) Ca1h Ca1l Combination meter Computer data lines system Cpu Dome fuse 10a Driver side j/b (at left kick panel) E10 E13 E16 Ea (at right radiator side support) Ec (at left radiator side support) Engine room 1 j/b (on left front of engine compt, behind headlight) Engine room 1 r/b Engine room 2 r/b (on left front of engine compt, behind headlight) F15 Ffog Fhhl Fogl Fogr Fr fog fuse 15a Front controller Front fog ind Gateway ecu (behind left end of dash) Gauge fuse 7.5a H-lp hi fuse 20a H-lp l lwr fuse 15a H-lp r lwr fuse 15a Head ind (usa) Head lp relay High beam ind Hlhl Hlhr Hot at all times Hot in on or start Ii (at right side of shift lever) J16 J17 J36 J41 Junction connector (behind upper center of dash) Junction connector 12 (behind upper center of dash) Junction connector 16 & 17 (behind upper center of dash) Junction connector 36 & 41 (center of dash) Left front fog light Left headlight control ecu (behind left headlight) Left high beam headlight Mpd1 Mpi2 Mpl1 Mpl2 Mpx-b2 fuse 7.5a Mpx1 Mpx2 Passenger side j/b (at right kick panel) Red Right front fog light Right headlight control ecu (behind right headlight) Right high beam headlight
HORN Horn Wiring Diagram for Lexus LS 430 2004 List of elements for Horn Wiring Diagram for Lexus LS 430 2004: 20 (on center radiator support) Driver side j/b (at left kick panel) Driver side j/b ecu (at left kick panel) Engine room 1 r/b (on left front of engine compt, behind headlight) Engine room 2 r/b (on left front of engine compt, behind headlight) F15 Fhor Front controller Horh Horl Horn (high) Horn (low) Horn fuse 10a Horn switch (combination switch) Hot at all times Mpx Mpx1 Mpx2 Mpx3 Security fuse 7.5a
INSTRUMENT CLUSTER
INTERIOR LIGHTS Courtesy Lamps Wiring Diagram (1 of 2) for Lexus LS 430 2004 List of elements for Courtesy Lamps Wiring Diagram (1 of 2) for Lexus LS 430 2004: 62 (at right side of shift lever) (behind upper center of dash) j/c 12 (in body harness, above center of right front door) +b1 +b2 Air bag C j17 C12 Combination meter Computer data lines system Cpu Cspt Cty Dome fuse 10a Door Door ind Driver side j/b (at left kick panel) E13 E16 F15 Fspt Gauge fuse 7.5a Gnd Gnd1 Gnd3 H h Hot at all times Hot in on or start Ignition key cylinder light (transponder key amplifier) Ih (at right side of shift lever) Ii (at right side of shift lever) Ik (at right side of dash) Ile J/c 10 & 11 (behind upper center of dash) J/c 16 & 17 (behind upper center of dash) J10 J11 J16 b J16 c J17 c J17 d Lcty Led Left front step light Left front vanity light Left rear interior light Left rear step light Left rear vanity light Mpx- Mpx-b Mpx-b2 fuse 7.5a Overhead j/b (at front of roof opening) Passenger side j/b (at right kick panel) Passenger side j/b ecu (at right kick panel) Rcty Red Right front step light Right front vanity light Right rear interior light Right rear step light Right rear vanity light Security fuse 7.5a Courtesy Lamps Wiring Diagram (2 of 2) for Lexus LS 430 2004 List of elements for Courtesy Lamps Wiring Diagram (2 of 2) for Lexus LS 430 2004: 82 (at left "b" pillar) (center of rear seat) b15 (left side of rear seat) Acc Audio & rear a/c control switch (w/ rear power seat) B14 B14 (center of rear seat) B15 Bdcy Bdr Bl (at left rear floor partition panel) Bm (at left rear quarterpanel) Bn (at right rear floor partition panel) Bp (at left rear seat back) Compartment light 1 Computer data lines system Cty Ctyb Cyl D door fuse 25a D25 Driver door ecu (inside front of left front door) F17 Front passenger door ecu (inside right front door) G10 Gnd Hot at all times Htr- Ill+ Ill- Iout Ir (under right front seat) J/c 21 J/c 23 J/c 24 J/c 27 J10 L12 L14 Lcty Left front door courtesy light Left front door courtesy switch (at left "b" pillar) Left rear door courtesy light Left rear door courtesy switch (at left "c" pillar) Left rear door ecu (inside left rear door) Left remote control mirror Lgcy Lglp Light Luggage compartment door courtesy switch (luggage compartment door closer motor) Luggage compartment light 2 Luggage door lock switch Luggage room j/b (on left side of luggage compt) Luggage room j/b ecu (on left side of luggage compt) Mpx- Mpx1 Mpx2 Outer foot Outer foot light P door fuse 25a P-gnd Passenger side j/b (at right kick panel) Pnk R13 R14 R39 R40 Rear armrest courtesy switch (in rear seat) Rear climate control seat switch Rear power seat control switch Rear sunshade switch (in center of rear seat) Red Right front door courtesy light Right front door courtesy switch Right rear door courtesy light Right rear door courtesy switch (at right "c" pillar) Right rear door ecu (inside right rear door) Right remote control mirror Rr acc fuse 7.5a Rr door lh fuse 20a Rr door rh fuse 20a Rr ecu-b fuse 7.5a Instrument Illumination Wiring Diagram (1 of 2) for Lexus LS 430 2004 List of elements for Instrument Illumination Wiring Diagram (1 of 2) for Lexus LS 430 2004: 79 (left side of dash) Anti-theft system Ash+ Ash- Bdr Bl (at left rear floor partition panel) Bn (at right rear floor partition panel) C12 Clearance sonar switch (outer mirror switch) (w/ parking assist) Coin box illumi- nation Combination meter Combination switch Computer data lines system D door fuse 25a D24 D25 Driver door ecu (inside front of left front door) Driver side j/b (at left kick panel) Driver side j/b ecu (at left kick panel) Driving position memory switch E15 F10 F11 F16 F17 Front passenger door ecu (inside right front door) G10 Gnd Hot at all times Hot in on or start I18 Ig (at left side of dash) Ir (under right front seat) J/c 14 & 15 (behind upper center of dash) J/c 13 (behind upper center of dash) J/c 21 J/c 22 (rearward of left rear fenderwell) J/c 27 J10 J14 f J15 h Led+ Led- Left front inside handle illumination Left rear ashtray illumination Left rear door ecu (inside left rear door) Left rear inside handle illumination Left rear seat memory switch (w/ rear power seat) Mpx-b3 fuse 7.5a Mpx-ig fuse 7.5a Mpx1 Mpx2 P door fuse 25a Panel fuse 7.5a Panel1 Panel2 Passenger side j/b (at right kick panel) Pnk R12 R13 R14 R15 Red Remote control mirror switch (outer mirror switch) Rheostat Right front inside handle illumination Right rear ashtray illumination Right rear door ecu (inside right rear door) Right rear inside handle illumination Rr door lh fuse 20a Rr door rh fuse 20a Seid Sw1 Sw2 Sw3 Tr+ Tr1 Tr2 Tr3 Instrument Illumination Wiring Diagram (2 of 2) for Lexus LS 430 2004 List of elements for Instrument Illumination Wiring Diagram (2 of 2) for Lexus LS 430 2004: 47 (at right kick panel) passenger side j/b (at right side of dash) ik (behind upper center of dash) j/c 12 & 13 (in dash harness, behind passenger's side air bag) i6 (rearward of right rear fenderwell) j/c 28 & 29 (right top of dash) i8 A j16 Absorber control switch (w/ electronic suspension) Afs off switch B11 Bn (at right rear floor partition panel) Bo (at right rear quarterpanel) C j12 C j13 Center cluster integration panel (w/o navigation) Cigarette lighter (front) Cigarette lighter (rear) Clock (w/o navigation) Console box illumination D j28 D j29 Driver's side a/c room temperature switch E j17 E j28 Electronically controlled transmission pattern select switch Front passenger's side a/c room temperature switch Fuel lid opener switch illumination Glove box light 1 Hazard switch Height control switch (w/ electronic suspension) I16 I5 (in dash harness, under left front of center console) i5 Ii (at right side of shift lever) J/c 16 & 17 (behind upper center of dash) J/c 27 J/c 30 J29 e Mirror switch (outer mirror switch) Multi-display (w/ navigation) Overhead j/b (w/ garage door opener) (at front of roof opening) Radio & player Rear armest courtesy switch Rear seat ill+ heater switch (w/ rear ill- seat heater w/o rear power seat) Red Right rear seat memory switch (w/ rear power seat) Traction control switch, seat heater switches, climate control seat switches, headlight cleaner switch, rear sunshade switch, rear seat reset switch Transmission control switch
MEMORY SYSTEMS Driver"s Memory Seat Wiring Diagram for Lexus LS 430 2004 List of elements for Driver"s Memory Seat Wiring Diagram for Lexus LS 430 2004: 73 (in body harness, under front of left front seat) (in body harness, under front of left front seat) b5 (in right side of driver's seat back) driver's seat head rest power seat motor & position sensor Bl (at left rear floor partition panel) Climate control seat ecu (driver`s seat) (under right side of driver's seat) Climate control seat ecu (left rear seat) (in left side of rear seat) Climate control seat ecu (right rear seat) (in right side of rear seat) Computer data lines system Csnf Csnr D p/seat fuse 30a D24 D25 D27 D28 Down Driver door ecu (inside front of left front door) Driver seat ecu (below left side of driver's seat) Driver side j/b (at left kick panel) Driver's seat cushion position sensor (in lower left side of driver's seat cushion) Driver's seat cushion power seat motor (lower left side of driver's seat) Driver's seat front vertical position sensor (at lower right side of driver's seat cushion) Driver's seat front vertical power seat motor (lower left side of driver's seat) Driver's seat lifter position sensor (in driver's seat assembly) Driver's seat lifter power seat motor (lower right side of driver's seat bottom) Driver's seat reclining position sensor (in lower left side of driver's seat) Driver's seat reclining power seat motor (lower left rear side of driver's seat bottom) Driver's seat slide position sensor (lower left side of driver's seat) Driver's seat slide power seat motor (in lower left side of driver's seat cushion) Driving position memory switch Frv+ Frv- Gnd Hot at all times Hot in on or start I14 I17 Idl If equipped Interior lights system J/c 10 (behind upper center of dash) J/c 21 (forward of left rear fender- well) J/c 22 (rearward of left rear fender- well) J10 Mmry Mpx-b1 fuse 7.5a Mpx-ig fuse 7.5a Mpx1 Mswe O/p Passenger side j/b (at right kick panel) Pnk Power seat control switch (driver's seat cushion) Power seat control switch (driver's seat lumbar support) Power seat motor (driver's seat lumbar support lower side control) (lower right side of driver's seat cushion) Power seat motor (driver's seat lumbar support upper side control) (upper right side of driver's seat back) Pvcc Rcl+ Rcl- Red Rrv+ Rrv- Sgnd Sld+ Sld- Ssfv Ssrc Ssrh Ssrr Ssrs Ssrv Sysb Vcc Memory Mirrors Wiring Diagram for Lexus LS 430 2004 List of elements for Memory Mirrors Wiring Diagram for Lexus LS 430 2004: 86 (at right side of shift lever) ii Bdr Bl (at left rear floor partition panel) Can h Com Computer data lines system Cpub D door fuse 25a D24 D25 Data Dle Door lock control receiver (inner mirror) (right rear of luggage compartment) Driver door ecu (inside front of left front door) Driver side j/b (at left kick panel) Driver side j/b ecu Driving position memory switch Engine control module (on left front of engine compartment, in protective case) Engine controls system F11 F16 F17 Front passenger door ecu (inside right front door) G10 Gnd Hot at all times Hot in on or start Hsr Hssr Htr- I15 Ig (at left side of dash) Interior lights system Ir (under right front seat) J/c 10 & 11 (behind upper center of dash) J/c 12 & 13 (behind upper center of dash) J/c 14 & 15 (behind upper center of dash) J/c 21 (forward of left rear fenderwell) J10 J11 J12 J13 J14 J15 Left front door lock control switch (power window master switch) Left remote control mirror Left/right motor M+r Mhr Mind Mmry Mpx-b Mpx-b1 fuse 7.5a Mpx-b3 fuse 7.5a Mpx-ig Mpx-ig fuse 7.5a Mpx1 Mpx2 Mr+ Mr- Msw Mswe Mul Mvr Outer foot light Outer mirror switch P door fuse 25a Passenger side j/b (at right kick panel) Pnk Pwe R/e Rco Rda Red Ret Retractable motor Right front door lock control switch Right remote control mirror Rssi Rtr Sensor Sig Theft deterrent ecu (behind upper right center of dash) Up/down motor Vsr Vssr Memory Power Tilt & Power Telescopic Wiring Diagram for Lexus LS 430 2004 List of elements for Memory Power Tilt & Power Telescopic Wiring Diagram for Lexus LS 430 2004: 54 (behind left end of dash) Com1 Com2 Computer data lines system D24 D25 Driver door ecu (inside front of left front door) Driver side j/b (at left kick panel) Driving position memory switch Ecub F/b1 F/b2 F11 G10 Gnd Hot at all times Hot in on or start I14 Ig (at left side of dash) Ih (at right side of shift lever) Interior lights system J/c 13 (behind upper center of dash) J/c 14 & 15 (behind upper center of dash) J/c 9 J14 J15 Ksw Mmry Mpx-b3 fuse 7.5a Mpx-ig fuse 7.5a Mpx1 Mpx2 Mswe Passenger side j/b (at right kick panel) Pnk Power tilt & power telescopic ecu (behind left side of dash) Push Red S5v1 S5v2 Sg1 Sg2 Shield Sin1 Sin2 Steering lock ecu (w/ smart key system) (left side of dash) Telescopic motor & position sensor (inside base of steering column) Ti & te fuse 20a Tilt motor & position sensor (inside base of steering column) Transponder key computer (behind upper center of dash) Unlock warning switch (w/ smart key system) Unlock warning switch (w/o smart key system) W/ smart key system W/o smart key system Memory Rear Seat Wiring Diagram for Lexus LS 430 2004 List of elements for Memory Rear Seat Wiring Diagram for Lexus LS 430 2004: 75 (at right rear quarter- panel) bo (at right rear seat back) bq (behind upper center of dash) j/c 10 & 11 (forward of right rear fenderwell) j/c 27 (left side of rear seat) (left rear passenger's seat slide control) power seat motor B10 B14 Bm (at left rear quarterpanel) Bn (at right rear floor partition panel) Bp (at left rear seat back) Can Computer data lines system Cty Down Driver side j/b (at left kick panel) Gnd Hdwn Hot at all times Hrsw Hup I21 Ik (at right side of dash) Ind Interior lights system J/c 23 (rearward of left rear fenderwell) J/c 30 (rearward of right rear fenderwell) J/c 31 (behind left rear seat back) J10 J11 Left rear door courtesy switch (at left "c" pillar) Left rear head rest limit switch (in rear seat assembly) Left rear seat memory switch Luggage room j/b (on left side of luggage compartment) Mpx Mpx- Mpx-b1 fuse 7.5a Mpx1 Mpx2 Mswe Passenger side j/b (at right kick panel) Passenger side j/b ecu (at right kick panel) Pcv2 Pnk Power seat motor & position sensor (left rear passenger's seat head rest top & bottom control) (in left side of rear seat) Power seat motor & position sensor (right rear passenger's seat head rest top & bottom control) (in right side of rear seat) Power seat motor (right rear passenger's seat slide control) (right side of rear seat) Power seat position sensor (left rear passenger's seat slide control) (in left side of rear seat) Power seat position sensor (right rear passenger's seat slide control) (in right side of rear seat) Pvcc R12 R13 R14 R15 Rear door ecu (left) (inside left rear door) Rear door ecu (right) (inside right rear door) Rear seat control switch Rear seat ecu (left) (behind left side of rear seat back) Rear seat ecu (right) (behind right side of rear seat back) Rear seat reset switch Red Right rear door courtesy switch (at right "c" pillar) Right rear head rest limit switch (in rear seat assembly) Right rear seat memory switch Rr seat lh fuse 30a Rr seat rh fuse 30a Rrsw Sel Set Sgnd Sld+ Sld- Ssrh Ssrs Ssrv Sysb
NAVIGATION Navigation Wiring Diagram (1 of 2) for Lexus LS 430 2004 List of elements for Navigation Wiring Diagram (1 of 2) for Lexus LS 430 2004: 92 (at right side of shift lever) ih (behind upper center of dash) j/c 12 & 13 (rearward of right rear fenderwell) j/c 28 Acc Aui+ Aui- Auo+ Auo- Batt Bo (at right rear quarterpanel) Ca1h Ca1l Canh Canl Cb+ Cgnd Computer data lines system Cv+ Cv- D-acc fuse 7.5a Driver side j/b (at left kick panel) E j11 E16 F10 F11 F18 Gateway ecu (behind left end of dash) Gnd Gnd1 Gtx+ Gtx- Hot at all times Hot in acc or on Hot in on or start J/c 10 & 11 (behind upper center of dash) J/c 30 (rearward of right rear fenderwell) J/c 36 & 37 (center of dash) J/c 45 & 47 (right side of dash) J/c 49 & 50 (right rear of vehicle) J10 a J12 J13 J36 J37 J45 J47 J49 J50 Luggage room j/b (on left side of luggage compt) Mic+ Mic- Mpd1 Mpd2 Mpi1 Mpi2 Mpl1 Mpl2 Mpx-b2 fuse 7.5a Mpx-ig fuse 7.5a Mut2 Navigation ecu (on lower right side of luggage compt) Nca P4 mpx- P5 back Passenger side j/b (at right kick panel) Passenger side j/b ecu (at right kick panel) Pnk Red Rev Rr acc fuse 7.5a Rr ecu-b fuse 7.5a Rr ig fuse 7.5a Sil Sld1 Snse Sound systems Spd Syn1 Sync T24 T25 Tel fuse 7.5a Television camera Television camera ecu (right rear of luggage compt) Tx+ Tx- Tx1+ Tx1- Vg1 Vol+ Vol- Vr1 Navigation Wiring Diagram (2 of 2) for Lexus LS 430 2004 List of elements for Navigation Wiring Diagram (2 of 2) for Lexus LS 430 2004: 59 (at right dash brace) ij (behind left end of dash) j/c 8 (behind upper center of dash) j/c 14 & 15 (w/o lexus link system: on left side of luggage compt) (w/ lexus link system: on right side of luggage compt) telephone transceiver & speaker relay +b1 Acc B j12 C13 Cmp+ Combination meter Combination switch Computer data lines system D j13 Driver side j/b (at left kick panel) E16 E17 Ef (on left cylinder head) F13 Gnd Hot at all times Hot in acc or on Ivo+ Ivo- J/c 12 & 13 (behind upper center of dash) J/c 16 & 17 (behind upper center of dash) J/c 3 & 4 (left front of engine compt) J12 J13 J14 J15 J16 J17 Macc Mci+ Mci- Mco+ Mco- Multi-display Nca P-acc fuse 7.5a P-ig fuse 7.5a Parking brake switch (behind left end of dash, on parking brake mechanism) Passenger side j/b (at right kick panel) Pbew Pkb Pnk Radio 1 fuse 7.5a Red Sld Sound systems Spd Sync T14 T15 Telsw+ Telsw- Tlsw Tx2+ Tx2- Parking Assistant Wiring Diagram for Lexus LS 430 2004 List of elements for Parking Assistant Wiring Diagram for Lexus LS 430 2004: 45 (on left side of luggage compt) luggage room j/b (rearward of left rear fenderwell) j/c 23 B4 (in body harness, at center of rear bumper) Bm (at left rear quarterpanel) Clearance sonar buzzer (front) (behind left side of dash) Clearance sonar buzzer (rear) (near center of rear speaker shelf, at base of rear window) Clearance sonar ecu (on left side of luggage compt) Clearance sonar switch (outer mirror switch) Clsw Computer data lines system Driver side j/b (at left kick panel) E11 E13 E3 (in engine harness, behind left headlight) Fbz Fbz+ Fcl Fcr Fgnd Fls Frs Gauge fuse 7.5a Hot in on or start Hot with l-ig1 relay energized Interior lights system Luggage room j/b (on left side of luggage compt) Mgnd Pnk Rbl Rbr Rbz Rbz+ Red Rgnd Rr ig fuse 7.5a Ultrasonic sensor (front left center) (behind front bumper fascia) Ultrasonic sensor (front left side) (behind front bumper fascia) Ultrasonic sensor (front left) (behind front bumper fascia) Ultrasonic sensor (front right center) (behind front bumper fascia) Ultrasonic sensor (front right side) (behind front bumper fascia) Ultrasonic sensor (front right) (behind front bumper fascia) Ultrasonic sensor (rear left center) (behind rear bumper fascia) Ultrasonic sensor (rear left) (behind rear bumper fascia) Ultrasonic sensor (rear right center) (behind rear bumper fascia) Ultrasonic sensor (rear right) (behind rear bumper fascia)
PASSIVE RESTRAINTS Electric Tension Reducer Wiring Diagram for Lexus LS 430 2004 List of elements for Electric Tension Reducer Wiring Diagram for Lexus LS 430 2004: 27 A24 A25 Air bag Air bag sensor assembly (front of center console) Bkll Bklr Bm (at left rear quarterpanel) Dbkl Driver side j/b (at left kick panel) Driver side j/b ecu (at left kick panel) Gauge fuse 7.5a Hot in on or start Ik (at right side of dash) J/c 14 (behind upper center of dash) J/c 23 (rearward of left rear fenderwell) Left front buckle switch (inside of left front seat belt buckle) Left tension reducer solenoid (near base of left "b" pillar) Mpx2 P-ig fuse 7.5a Passenger side j/b Passenger side j/b (at right kick panel) Passenger side j/b ecu Pnk Rbe+ Red Right front buckle switch (inside of right front seat belt buckle) Right tension reducer solenoid (near base of left "b" pillar) Power Shoulder Belt Anchorage Wiring Diagram for Lexus LS 430 2004 List of elements for Power Shoulder Belt Anchorage Wiring Diagram for Lexus LS 430 2004: 53 (inside front of left front door) B/anc Bdr Bes Bl (at left rear floor partition panel) Computer data lines system Cpub D b/anc fuse 5a D24 D25 Dbm+ Dbm- Down Driver door ecu Driver side j/b (at left kick panel) Driver side j/b ecu Dsdn Dse Dsup F16 F17 Front passenger door ecu (inside right front door) Gnd Gnd1 Hot at all times Hot in on or start I15 Ig (at left side of dash) Ii (at right side of shift lever) Ik (at right side of dash) Ir (under right front seat) J/c 21 (forward of left rear fenderwell) J10 Left front shoulder belt adjust switch Mpx- Mpx-b1 fuse 7.5a Mpx-ig fuse 7.5a Mpx1 Mpx2 P b/anc fuse 5a P door fuse 25a Passenger side j/b (at right kick panel) Passenger side j/b ecu Pbm+ Pbm- Psdn Pse Psup Red Right front shoulder belt adjust switch Shoulder belt anchor motor & position sensor (left) (near center of left "b" pillar) Shoulder belt anchor motor (right) (near center of right "b" pillar) Sig
POWER DISTRIBUTION Power Distribution Wiring Diagram (1 of 5) for Lexus LS 430 2004 List of elements for Power Distribution Wiring Diagram (1 of 5) for Lexus LS 430 2004: 85 (behind upper center of dash) 3 of 5) Abs 1 fuse 30a Abs 2 fuse 50a Air conditioning & body computer systems Air conditioning system Air sus fuse 40a Alt fuse 140a Alt-s fuse 5a Am 2 fuse 7.5a Anti-lock brakes & cruise control systems Anti-theft system Anti-theft, body computer & horns systems Anti-theft, body computer, door locks & power windows systems Anti-theft, body computer, door locks, mirrors, passive restraints, power windows & seats systems Battery Battery fuse 30a Body computer & exterior lights systems Body computer & headlights systems Body computer system C12 C13 Cellular phone system Cruise control, engine controls & transmission systems D-j/b fuse 80a D/c cut fuse 20a Defog fuse 40a Defogger system E16 Efi 1 fuse 25a Electronic suspension system Engine controls system Engine controls, anti-theft, srs & starting/ charging systems Engine room r/b 1 (on left front of engine compartment, behind headlight) Etcs fuse 10a F12 F13 Fan fuse 50a Fan relay From ignition switch (diagram f Fusible link block (on right rear of engine compt) H-lp hi fuse 20a Haz fuse 15a Headlamp relay Headlights system Heater fuse 50a Horn fuse 10a I10 I21 Ig2 relay J/c 16 & 17 J16 J17 Lug j/b fuse 60a Mayday fuse 2a Mirrors, passive restraints, door locks body computer, power windows & anti-theft systems Mpx-b Mpx-b1 fuse 7.5a Mpx-b2 fuse 7.5a Mpx-b3 fuse 7.5a Navigation system Nca P-j/b fuse 80a Passenger side j/b Passenger side j/b ecu R/b fuse 60a Radio 1 fuse 7.5a Red Seats system Sound systems St fuse 30a Starter Starting/ charging system Str lock fuse 7.5a To dome fuse (diagram 2 of 5) To driver side j/b (d-acc relay) (diagram 4 of 5) To engine room j/b 1 (r/b 1, h-lp cln fuse, 30a) (diagram 2 of 5) To engine room j/b 1 (r/b 1, ign fuse, 7.5a) (diagram 2 of 5) To ignition switch (diagram 3 of 5) To junction connector j3 (diagram 2 of 5) To luggage room j/b (diagram 5 of 5) To passenger side j/b (p door fuse, 25a) (diagram 3 of 5) W/ compass W/o compass Warning, body computer, exterior lights, headlights, interior lights, memory, mirrors, trunk, tailgate, fuel doors & wiper/washer systems Power Distribution Wiring Diagram (2 of 5) for Lexus LS 430 2004 List of elements for Power Distribution Wiring Diagram (2 of 5) for Lexus LS 430 2004: 35 (rb 1, ig2 relay) (diagram 1 of 5) A/c ig fuse 7.5a Air conditioning system Air conditioning, cooling fans, seats, cruise control, defogger, door locks, anti-lock brakes, exterior lights, mirrors, navigation, starting/charging, transmissions & wiper/washer systems Anti-theft, body computer, exterior lights & headlights systems Body computer & headlights systems Body computer & wiper/washer systems Cruise control, engine controls & transmissions systems Dome fuse 10a E13 Ec (at left radiator side support) Engine controls & systems Engine room r/b 1 (on left front of engine compartment, behind headlight) Engine room r/b 1 (on left front of engine compt, behind headlight) Fr fog fuse 15a Fr ig fuse 7.5a From driver side j/b (d-ig1 relay) (diagram 4 of 5) From engine room j/b 1 (r/b 1, ig2 relay) (diagram 1 of 5) From engine room j/b 1 j From fr fog fuse (diagram 2 of 5) From fusible link block (r/b fuse, 60a) (diagram 1 of 5) From passenger side j/b (mpx-b1 fuse, 7.5a) (diagram 1 of 5) H-lp cln fuse 30a Ig1 relay Ign fuse 7.5a Inj fuse 10a J/c 3 (left front of engine compt) J/c 7 (below engine room j/b 1 & engine room r/b 1) Passenger side j/b Red Tail fuse 7.5a To ig1 relay (diagram 2 of 5) Washer fuse 20a Wip fuse 30a Wiper/ washer system Power Distribution Wiring Diagram (3 of 5) for Lexus LS 430 2004 List of elements for Power Distribution Wiring Diagram (3 of 5) for Lexus LS 430 2004: 61 20a Acc Air conditioning, body computer, instrument cluster, mirrors, navigation, power tops, seats, warning, wiper/washer & passive restraints systems Air conditioning, instrument cluster, navigation & sound systems Am1 Am2 Anti-theft, body computer, door locks, interior lights, mirrors, passive restraints & power windows systems B/anc C17 D door fuse 25a Door lock, interior light, anti-theft, power window & body computer systems E17 E2 (in engine harness, near ecu box) Engine controls, starting/ charging & transmissions systems Engine room r/b 1 (on left front of engine compt, behind headlight) From driver side j/b (am1 fuse, 7.5a) (diagram 4 of 5) From driver side j/b (d-acc relay) (diagram 4 of 5) From driver side j/b (d-ig1 relay) (diagram 4 of 5) From fusible link block (am2 fuse, 30a) (diagram 1 of 5) From fusible link block (p-j/b fuse, 80a) (diagram 1 of 5) Front cigarette lighter Fusible link block (on right rear of engine compt) G10 H-lp lvl fuse 7.5a Headlights system Ig1 Ig2 Ignition switch Ik (at right side of dash) J/c 12 & 13 (behind upper center of dash) J10 J12 J13 Lock Navigation & sound systems Off P b/anc fuse 5a P door fuse 25a P rr-ig fuse 10a P s/htr fuse 15a P-acc fuse 7.5a P-acc relay P-cig fuse 15a P-ig fuse 7.5a P-ig1 relay Passenger side j/b Passenger side j/b ecu Pnk Red Rr door lh fuse 20a Rr door rh fuse Run Run off Seats system St2 Sta fuse 7.5a Start Starter relay Starting/ charging system Tel fuse 7.5a To j/c 16 & 17 (diagram 1 of 5) Power Distribution Wiring Diagram (4 of 5) for Lexus LS 430 2004 List of elements for Power Distribution Wiring Diagram (4 of 5) for Lexus LS 430 2004: 74 (at right side side of dash) ik A/c fuse 7.5a Abs-ig fuse 7.5a Acc Air conditioning & body computer systems Air conditioning system Airsus fuse 20a Am1 fuse 7.5a Anti-theft body computer door locks & power windows systems Anti-theft, body computer door locks, mirror, passive restraints & power windows systems Anti-theft, body computer, door locks & power windows systems Anti-theft, body computer, door locks, mirrors, power windows & shift interlock systems B/anc Bo (at right rear quarterpanel) Body computer & anti-theft systems Body computer & horns systems Body computer cruise control, electronic suspension engine controls, exterior lights, seats system, shift interlock, transmissions, anti-lock brakes & wiper/washer systems Body computer garage door & interior lights systems Body computer system Cruise control & anti-lock brakes systems Cruise control, electronic suspension, engine controls, anti-lock brakes, computer data lines & transmission systems Cruise control, headlights, electronic suspension & anti-lock brakes systems D b/anc fuse 5a D p/seat fuse 30a D rr-ig fuse 10a D s/htr fuse 15a D-acc fuse 7.5a D-acc relay D-cig fuse 15a D-ig1 relay Driver side j/b Driver side j/b ecu E10 E11 E17 Electronic suspension system F11 F12 F15 F16 F17 F18 From d s/htr p fuse 15a (diagram 4 of 5) From fusible link block (d-j/b fuse, 80a) (diagram 1 of 5) From security q fuse 7.5a (diagram 4 of 5) G10 Gauge fuse 7.5a I15 I17 Ig (at left side of dash) J/c 30 (rearward of right rear fenderwell) J10 Memory system Mpx-ig fuse 7.5a Navigation system Obd fuse 7.5a Panel fuse 7.5a Passive restraints & body computer systems Pnk Power outlet Pwr outlet fuse 15a Rear cigarette lighter Red Seats system Security fuse 7.5a Shift interlock system Stop fuse 5a Ti & te fuse 20a To engine room j/b 1 (r/b 1, ig1 relay) (diagram 2 of 5) To gauge fuse 7.5a (diagram 4 of 5) To ignition switch (diagram 3 of 5) To j/c 12 & j/c 13 (diagram 3 of 5) To panel fuse 7.5a (diagram 4 of 5) To passenger side j/b (p-acc relay) (diagram 3 of 5) Power Distribution Wiring Diagram (5 of 5) for Lexus LS 430 2004 List of elements for Power Distribution Wiring Diagram (5 of 5) for Lexus LS 430 2004: 48 Acc Air conditioning & body computer systems Amp p p/seat fuse 30a Bk/up stop1 stop2 Bm (at left rear quarter panel) Body computer & exterior lights systems Body computer & interior lights systems Body computer, interior lights & sound systems C10 C11 Cellular telephone & sound systems Coil Contact F10 From fusible link block (lug j/b fuse, 50a) (diagram 1 of 5) From rr s/shade r fuse 15a (diagram 5 of 5) Fuel opn fuse 10a Fuel opn(p) Hic J/c 23 (rearward of left rear fenderwell) L-acc relay L-ig1 relay L-o/c (p) Lce lp fuse 7.5a Luggage room j/b (on left side of luggage compt) Luggage room j/b ecu Navigation system Noise filter P p/seat fuse 30a P-gnd Pnk Power tops system Red Rr a/c fuse 7.5a Rr acc fuse 7.5a Rr ecu-b fuse 7.5a Rr ig fuse 7.5a Rr s/htr fuse 30a Rr s/shade fuse 15a Rr s/shade relay Rr seat lh fuse 30a Rr seat rh fuse 30a S roof fuse 30a Seats system Sound systems Tail1 Tail2 To fuel opn fuse 10a (diagram 5 of 5)
POWER MIRRORS Power Mirrors Wiring Diagram for Lexus LS 430 2004 List of elements for Power Mirrors Wiring Diagram for Lexus LS 430 2004: 23 D25 Driver door ecu (inside front of left front door) Ec+ Ec- Eci+ Eci- F14 F16 F17 Front passenger door ecu (inside right front door) Gnd Gnd5 Hot in on or start I12 Ig1 Ii (at right side of shift lever) Inner mirror Junction connector 14 (behind upper center of dash) Left remote control mirror Overhead j/b (at front of roof opening) P-ig fuse 7.5a Passenger side j/b (at right kick panel) Right remote control mirror
POWER SEATS Climate Control Seats Wiring Diagram, Front for Lexus LS 430 2004 List of elements for Climate Control Seats Wiring Diagram, Front for Lexus LS 430 2004: 55 (below left side of driver's seat) driver seat ecu (in left side of rear seat) (w/ rear climate control seat) left rear climate control seat ecu (w/o rear climate control seat) rear seat heater switch Bl (at left rear floor partition panel) Climate control seat switch Computer data lines system D s/htr fuse 15a Driver seat climate controller (seat back) Driver seat climate controller (seat cushion) Driver side j/b (at left kick panel) Driver's climate control seat ecu (under right side of driver's seat) Dsid Front passenger's climate control seat ecu (under front passenger's seat) G j14 Hot in on or start Idl Ik (at right side of dash) Ind Indc Ir (under right front seat) J/c 11 (behind upper center of dash) J/c 14 & 15 (behind upper center of dash) J/c 22 (rearward of left rear fenderwell) J15 Left fan motor Lind Lv5 Lvg Lvs Mpx1 P s/htr fuse 15a P-ig fuse 7.5a Passenger seat climate controller (seat back) Passenger seat climate controller (seat cushion) Passenger side j/b (at right kick panel) Pnk Pwm+ Red Right fan motor Right rear climate control seat ecu (w/ rear climate control seat) (in right side of rear seat) Rind Rlid Rrid Rv5 Rvg Rvs Tb5 Tbs Tc5 Tcs Tdb+ Tdb- Tdc+ Tdc- Ted Climate Control Seats Wiring Diagram, Rear for Lexus LS 430 2004 List of elements for Climate Control Seats Wiring Diagram, Rear for Lexus LS 430 2004: 73 (at left rear seat back) bp (at right rear floor partition panel) (behind upper center of dash) j/c 11 (in right rear seat cushion) Bbs Bcs Bfb (+) Bfb (-) Bfb(+) Bfb(-) Bfb+ Bfb- Bfc Bfc (+) Bfc (-) Bfc(+) Bfc(-) Bfc+ Bfc- Bl (at left rear floor partition panel) C27 C28 C29 C30 Climate control seat switch Computer data lines system Driver's seat climate control seat ecu (under right side of driver's seat) Dsid Front passenger's seat climate control seat ecu (under front passenger's seat) Gnd Hot at all times Idl Ill+ Ind Indc Indl Indr Interior lights system J/c 21 (forward of left rear fenderwell) J/c 27 (forward of right rear fenderwell) Left rear climate control seat ecu (in left side of rear seat) Left rear seat climate controller (seat back) (in left rear seat back) Left rear seat climate controller (seat cushion) (in left rear seat cushion) Left rear seat climate fan motor (seat back) (in left rear seat back) Left rear seat climate fan motor (seat cushion) (in left rear seat cushion) Left rear seat heater (in left side of rear seat) Luggage room j/b (on left side of luggage compt) Pnk Rear climate control seat switch (in rear seat assembly) Red Right rear climate control seat ecu (in right side of rear seat) Right rear seat climate controller (seat back) (in right rear seat back) Right rear seat climate controller (seat cushion) Right rear seat climate fan motor (seat back) (in right rear seat back) Right rear seat climate fan motor (seat cushion) (in right rear seat cushion) Right rear seat heater (in right side of rear seat) Rr s/htr fuse 30a Swl Swr Tb5 Tbs Tc5 Tcs Tdb+ Tdb- Tdc+ Tdc- V5l V5r Vgl Vgr Vsl Vsr Driver"s Lumbar Wiring Diagram for Lexus LS 430 2004 List of elements for Driver"s Lumbar Wiring Diagram for Lexus LS 430 2004: 10 B5 (in body harness, under front of left front seat) Bl (at left rear floor partition panel) D p/seat fuse 30a Driver side j/b (at left kick panel) Hot at all times J10 Power seat control switch (driver's seat lumbar support) Power seat motor (driver's seat lower side lumbar support control) (lower right side of driver's seat) Power seat motor (driver's seat upper side lumbar support control) (upper right side of driver's seat) Red Heated Seats Wiring Diagram, Front for Lexus LS 430 2004 List of elements for Heated Seats Wiring Diagram, Front for Lexus LS 430 2004: 17 (at left rear floor partition panel) D s/htr fuse 15a Driver seat heater (in left front seat) Driver side j/b (at left kick panel) G j14 G j15 Hot in on or start Ik (at right side of dash) Ir (under right front seat) J/c 14 & 15 (behind upper center of dash) P s/htr fuse 15a P-ig fuse 7.5a Passenger seat heater (in right front seat) Passenger side j/b (at right kick panel) Seat heater switch Thl Thr Heated Seats Wiring Diagram, Rear for Lexus LS 430 2004 List of elements for Heated Seats Wiring Diagram, Rear for Lexus LS 430 2004: 24 B10 B11 B11 (in body harness, under right center of right rear backrest) B13 Bn (at right rear floor partition panel) Driver's seat climate control seat ecu (under right side of driver's seat) Front passenger's seat climate control seat ecu (under front passenger's seat) Hil Hir Hot at all times Indc J/c 11 (behind upper center of dash) J/c 27 (forward of right rear fenderwell) Left rear seat heater (in left rear seat) Luggage room j/b (on left side of luggage compt) Pnk Red Right rear seat heater (in right rear seat) Rlid Rr s/htr fuse 30a Rrid Rsid Seat heater switch (front) Seat heater switch (rear) Passenger"s Power Seat Wiring Diagram for Lexus LS 430 2004 List of elements for Passenger"s Power Seat Wiring Diagram for Lexus LS 430 2004: 25 (lower left rear of front passenger seat cushion) B7 (in body harness, under right front seat) Down Front Front passenger's power seat control switch Front passenger's power seat sub control switch Head rest Hot at all times Ir (under right front seat) Lifter Luggage room j/b (on left side of luggage compt) Lumbar P p/seat fuse 30a Power seat control switch (front passenger's seat lumbar support) Power seat motor (front passenger's seat front vertical control) (in lower right side of front passenger's seat bottom) Power seat motor (front passenger's seat head rest control) (in upper left side of front passenger's seat back) Power seat motor (front passenger's seat lifter control) (in lower left side of front passenger's seat bottom) Power seat motor (front passenger's seat lumbar support control) Power seat motor (front passenger's seat reclining control) (lower right side of front passenger's seat) Power seat motor (front passenger's seat slide control) (under passenger's seat cushion) Rear Reclining Red Slide Vertical Rear Vibrating Seats Wiring Diagram for Lexus LS 430 2004 List of elements for Rear Vibrating Seats Wiring Diagram for Lexus LS 430 2004: 40 B10 Bp (at left rear seat back) Bq (at right rear seat back) D rr-ig fuse 10a Driver door ecu (inside front of left front door) Driver side j/b (at left kick panel) Front passenger door ecu (inside right front door) G j10 Gnd1 Hot at all times Hot in on or start I14 I20 I7 pnk I9 pnk J/c 10 & 11 (behind upper center of dash) J/c 31 (behind left rear seat back) J11 g Left rear door ecu (inside left rear door) Left rear seat ecu (behind left side of rear seat back) Left vibration seat ecu (behind left rear seat back) Left vibrator (in left rear seat) Mpx Mpx-b1 fuse 7.5a Mpx1 Mpx2 P rr-ig fuse 10a Passenger side j/b (at right kick panel) Pnk Right rear door ecu (inside right rear door) Right rear seat ecu (behind right side of rear seat back) Right vibration seat ecu (in rear seat assembly) Right vibrator (in right rear seat) Stop Strt Sysb Vib+ Vib- Vibe Vibration switch (rear seat control switch)
POWER TOP/SUNROOF Power Top/Sunroof Wiring Diagram for Lexus LS 430 2004 List of elements for Power Top/Sunroof Wiring Diagram for Lexus LS 430 2004: 67 Cls Combination meter Cpu Cty D25 Data Dome fuse 10a Door lock control receiver (inner mirror) (right rear of luggage compartment) Down Driver door ecu (inside front of left front door) Driver side j/b (at left kick panel) Dwn E11 E13 E16 F15 F17 F18 Front passenger door ecu (inside right front door) Gateway ecu (behind left end of dash) Gauge fuse 7.5a Gnd Hot at all times Hot in on or start I14 Ig3 Ii (at right side of shift lever) Ik (at right side of dash) J/c 10 & 12 (behind upper center of dash) J/c 14 (behind upper center of dash) J/c 16 & 17 (behind upper center of dash) J10 J12 J16 J17 Left front door courtesy switch (at left "b" pillar) Left rear door courtesy switch (at left "c" pillar) Left rear door ecu (inside left rear door) Luggage room j/b (on left side of luggage compt) Moon roof control ecu (at front of roof opening) Mpd1 Mpd2 Mpi2 Mpx Mpx-b2 fuse 7.5a Mpx1 Mpx2 Opn Overhead j/b (at front of roof opening) P-ig fuse 7.5a Passenger side j/b (at right kick panel) Pnk R13 R14 Rc0 Rda Red Right front door courtesy switch (at right "b" pillar) Right rear door courtesy switch (at right "c" pillar) Right rear door ecu (inside right rear door) Rssi S/roof fuse 30a Steering lock ecu (left side of dash) Theft deterrent ecu (behind upper right center of dash) Transponder key computer (behind upper center of dash) W/ smart key W/o smart key
POWER WINDOWS Power Windows Wiring Diagram (1 of 3) for Lexus LS 430 2004 List of elements for Power Windows Wiring Diagram (1 of 3) for Lexus LS 430 2004: 80 (at left "b" pillar) left front door courtesy switch (forward of left rear fenderwell) junction connector 21 (inside front of left front door) driver door ecu +b1 +b2 Acc Auto Bdr Bl (at left rear floor partition panel) Bzr Bzr2 Bzr3 Bzrg Center of dash) Computer data lines system Cpub Cty D door fuse 25a D-acc fuse 7.5a D24 D25 Data Ddn Door lock control receiver (inner mirror) (right rear of luggage compt) Driver side j/b (at left kick panel) Dt1 Dt2 Dt3 Dup F11 F17 F18 G10 Gnd Hot at all times Hot in on or acc Hot in on or start I15 I19 I21 I22 Ih (at right side of shift lever) Ii (at right side of shift lever) J11 J13 J14 junction connector 14 & 15 (behind upper center of dash) j15 Junction connector 10 & 11 (behind upper j10 Junction connector 12 & 13 (behind j12 Keyless buzzer (inside top of left front fender, near base of "a" pillar) Keyless buzzer on/off switch Left front power window motor (in left front door) Lmt Mdn Mpx-ig fuse 7.5a Mpx1 Mpx2 Mup Passenger side j/b (at right kick panel) Pls Pnk Power window master switch Pwe Pws Rc0 Rda Red Rssi Sc1 Sc2 Sc3 Security fuse 7.5a Sgnd Sig Theft deterrent ecu (behind upper right center of dash) Upper center of dash) W/ smart key W/l W/o smart key Wls1 Wlsw Power Windows Wiring Diagram (2 of 3) for Lexus LS 430 2004 List of elements for Power Windows Wiring Diagram (2 of 3) for Lexus LS 430 2004: 40 Auto Bdr Cpub Cty E11 E18 F16 F17 Front passenger door ecu (inside right front door) Gateway ecu (behind left end of dash) Gnd Hot at all times I10 I13 Ir (under right front seat) J10 J11 Junction connector 10 & 11 (behind upper center of dash) Lmt Mdn Mpd1 Mpd2 Mpx-b1 fuse 7.5a Mpx1 Mpx2 Mup P door fuse 25a Passenger side j/b (at right kick panel) Pct Pls Pnk Pwe Red Right front door courtesy switch (at right "b" pillar) Right front power window control switch Right front power window motor (in right front door) Sgnd Sig Wls1 Wlsw Power Windows Wiring Diagram (3 of 3) for Lexus LS 430 2004 List of elements for Power Windows Wiring Diagram (3 of 3) for Lexus LS 430 2004: 42 (inside left rear door) left rear door ecu Auto Bdr Bl (at left rear floor partition panel) Bn (at right rear floor partition panel) Bo (at right rear quarterpanel) Cpub Cty Gnd Hot at all times Junction connector 21 (forward of left rear fenderwell) Junction connector 27 (forward of right rear fenderwell) Junction connector 30 (rearward of right rear fenderwell) Left rear door courtesy switch (at left "c" pillar) Left rear power window control switch Left rear power window motor (in left rear door) Left rr door fuse 20a Lmt Mdn Mpx1 Mpx2 Mup Passenger side j/b (at right kick panel) Pct Pcti Pcto Pls Pnk Pwe R12 R13 R14 R15 Red Right rear door courtesy switch (at right "c" pillar) Right rear door ecu (inside right rear door) Right rear power window control switch Right rear power window motor (in right rear door) Right rr door fuse 20a Sel1 Sgnd Sig Rear Window Sun Shade Wiring Diagram for Lexus LS 430 2004 List of elements for Rear Window Sun Shade Wiring Diagram for Lexus LS 430 2004: 26 (at left rear quarterpanel) Bp (at left rear seat back) Fsw Hot at all times I4 (at right side of dash) ik Interior lights system J/c 23 (rearward of left rear fenderwell) J/c 26 (near center of rear speaker shelf, at base of rear window) L14 Lmt Luggage room j/b (on left side of luggage compt) Luggage room j/b ecu Luggage room j/b ecu (on left side of luggage compt) P-gnd Rear sunshade control relay (below center of rear speaker shelf) Rear sunshade switch (front) Rear sunshade switch (rear) (in center of rear seat) Red Rev Rr s/shade fuse 15a Rr s/shade relay Rsc Rss Rsw W/ rear pwr seat and/or electronic modulated air suspension W/o rear pwr seat and/or electronic modulated air suspension
RADIO Radio Wiring Diagram, with Mark Levinson (1 of 2) for Lexus LS 430 2004 List of elements for Radio Wiring Diagram, with Mark Levinson (1 of 2) for Lexus LS 430 2004: 60 Acc Amp p Atx+ Atx- Bo (at right rear quarterpanel) C10 E17 Fl+ Fl- Fr+ Fr- Gateway ecu (behind left end of dash) Gnd Gtx+ Gtx- Hot at all times Hot in on or acc Hot with l-acc relay energized Ij (at right dash brace) J/c 28 & 29 (rearward of right rear fenderwell) J14 J15 J28 J29 Junction connector 14 & 15 (behind upper center of dash) Junction connector 28 & 29 (rearward of right rear fenderwell) Junction connector 30 Luggage room j/b (on left side of luggage compt) Mtx+ Mtx- Multi- display Mute Nca P-acc fuse 7.5a P/seat fuse 30a Passenger side j/b (at right kick panel) Pnk Radio & player Radio 1 fuse 7.5a Red Rl+ Rl- Rr acc fuse 7.5a Rr ecu-b fuse 7.5a Rr+ Rr- Sgnd Stereo component tuner (on lower right side of luggage compartment) Tel fuse 7.5a Tx+ Tx- Tx2+ Tx2- Txm+ Txm- Txs+ Txs- Utx+ Utx- W/ navigation Radio Wiring Diagram, with Mark Levinson (2 of 2) for Lexus LS 430 2004 List of elements for Radio Wiring Diagram, with Mark Levinson (2 of 2) for Lexus LS 430 2004: 66 (in body harness, near navigation ecu connectors) b12 (w/ rear audio controller) audio & rear a/c control switch 7 speaker Acc Aui+ Aui- Auo+ Auo- Bo (at right rear quarterpanel) Bp (at left rear seat back) C12 Combination meter Fl+ Fl- Fr+ Fr- Gnd J16 J17 Junction connector 16 & 17 (behind upper center of dash) Junction connector 30 Left front door speaker Left front tweeter Left rear door speaker Left rear tweeter (9 speaker) Mtx- Mut2 Mute N-mut Navigation ecu (if equipped) (on lower right side of luggage compartment) Pnk Red Right front tweeter Right rear door speaker Right rear tweeter (9 speaker) Rl+ Rl- Rr+ Rr- S28 S29 S30 Spd Stereo component amplifier (on right side of luggage compt, behind trim) T14 T15 T23 Tdx+ Tdx- Telephone transceiver & speaker relay (w/ link system: on right side of luggage compartment) (w/o link system: on left side of luggage compartment) Tfl Tfl+ Tfr+ Tfr- Tmut Tx+ Tx- Tx1+ Tx1- W/ navigation W/o navigation Wfl+ Wfl- Wfr+ Wfr- Woofer Radio Wiring Diagram, without Mark Levinson (1 of 2) for Lexus LS 430 2004 List of elements for Radio Wiring Diagram, without Mark Levinson (1 of 2) for Lexus LS 430 2004: 60 Acc Amp p Atx+ Atx- Bo (at right rear quarterpanel) C10 E17 Fl+ Fl- Fr+ Fr- Gateway ecu (behind left end of dash) Gnd Gtx+ Gtx- Hot at all times Hot in on or acc Hot with l-acc relay energized Ij (at right dash brace) J/c 28 & 29 (rearward of right rear fenderwell) J14 J15 J28 J29 Junction connector 14 & 15 (behind upper center of dash) Junction connector 28 & 29 (rearward of right rear fenderwell) Junction connector 30 (rearward of right rear fenderwell) Luggage room j/b (on left side of luggage compt) Mtx+ Mtx- Multi- display Mute Nca P-acc fuse 7.5a P/seat fuse 30a Passenger side j/b (at right kick panel) Pnk Radio & player Radio 1 fuse 7.5a Red Rl+ Rl- Rr acc fuse 7.5a Rr ecu-b fuse 7.5a Rr+ Rr- Sgnd Stereo component tuner (on lower right side of luggage compartment) Tel fuse 7.5a Tx+ Tx- Tx2+ Tx2- Txm+ Txm- Txs+ Txs- Utx+ Utx- W/ navigation Radio Wiring Diagram, without Mark Levinson (2 of 2) for Lexus LS 430 2004 List of elements for Radio Wiring Diagram, without Mark Levinson (2 of 2) for Lexus LS 430 2004: 64 (in body harness, near navigation ecu connectors) b12 (w/ rear audio controller) audio & rear a/c control switch +b2 7 speaker Acc Aui+ Aui- Auo+ Auo- Bo (at right rear quarterpanel) Bp (at left rear seat back) C12 Combination meter Fl+ Fl- Fr+ Fr- Gnd J16 J17 Junction connector 16 & 17 (behind upper center of dash) Junction connector 30 (rearward of right rear fenderwell) Left front door speaker Left front tweeter Left rear door speaker Left rear tweeter (9 speaker) Mtx+ Mtx- Mut2 Mute N-mu Navigation ecu (if equipped) (on lower right side of luggage compartment) Pnk Red Right front tweeter Right rear door speaker Right rear tweeter (9 speaker) Rl+ Rl- Rr+ Rr- Rtx+ Rtx- S28 S29 S30 Spd Stereo component amplifier (on right side of luggage compt, behind trim) T14 T15 T23 Telephone transceiver & speaker relay (w/ link system: on right side of luggage compartment) (w/o link system: on left side of luggage compartment) Tmut Tx+ Tx- Tx1+ Tx1- W/ navigation W/o navigation Wfl+ Wfl- Wfr+ Wfr- Woofer
SHIFT INTERLOCK Shift Interlock Wiring Diagram for Lexus LS 430 2004 List of elements for Shift Interlock Wiring Diagram for Lexus LS 430 2004: 25 Acc D-acc fuse 7.5a Driver side j/b (at left kick panel) Driver side j/b ecu (at left kick panel) F18 Gauge fuse 7.5a Hot at all times Hot in acc or on Hot in on or start Ih (at right side of shift lever) Ik (at right side of dash) J/c 11 (behind upper center of dash) Key interlock solenoid Kls+ P2 sw Red Shift lock control ecu (below shift lever, in center console) Steering lock ecu (w/ smart key) (left side of dash) Stop fuse 5a Stoplight switch (above brake pedal, on bracket) Stp Stpi Unlock warning switch W/ smart key W/o smart key Steering Column Wiring Diagram for Lexus LS 430 2004 List of elements for Steering Column Wiring Diagram for Lexus LS 430 2004: 59 (at right kick panel) passenger side j/b (at right side of shift lever) (at right side of shift lever) ih (behind upper center of dash) junction connector 16 & 17 7.5a Acc Agnd Am2 fuse C13 Code Code ant1 Computer data lines system Cpub Efii Efio Engine control module (on left front of engine compt, in protective case) F12 F17 G j10 Gateway ecu (behind left end of dash) Gnd Hot at all times Ig2 Ignition switch Imi Imo Ind Ind2 J11 g J16 J17 Junction connector 10 & 11 (behind upper center of dash) Kws Lock Mpd1 Mpx Mpx-b1 fuse Mpx1 Mpx2 Off P2sw Passenger side j/b (at right kick panel) Push Red Run Rxck Security indicator light (rheostat) Seid Shift lock control ecu (below shift lever, in center console) Start Steering lock ecu (left side of dash) Str lock fuse Theft deterrent ecu (behind upper right center of dash) Transponder key amplifier (behind upper center of dash) Transponder key coil Txct Unlock warning sw i7 Vc5 Vc5 ant2
STARTING/CHARGING Charging Wiring Diagram for Lexus LS 430 2004 List of elements for Charging Wiring Diagram for Lexus LS 430 2004: 24 Alt fusible link 140a Alt-s fusible link 5a Battery Battery ground Cahl Charge indicator Combination meter Computer data lines system Cpu D j16 D j17 Driver side j/b Engine control module (on left front of engine compartment, in protective case) Engine room 1 r/b (on left front of engine compt, behind headlight) Fr ig fuse 7.5a Fusible link block (on right rear of engine compartment) Gauge fuse 7.5a Generator Hot in on or start Ih (at right side of shift lever) Junction connector 1 & 2 (left front of engine compt) Junction connector 16 & 17 (behind upper center of dash) Nca Red Starting Wiring Diagram for Lexus LS 430 2004 List of elements for Starting Wiring Diagram for Lexus LS 430 2004: 32 Acc Am2 Am2 fuse 7.5a Batt fuse 30a Battery Battery ground Control module (on left front of engine compt, in protective case) E1 (in engine harness, under ecu box) E2 (in engine harness, near ecu box) Ec (at left radiator side support) Engine room 1 r/b (on left front of engine compt, behind headlight) Engine sta Fusible link block (on right rear of engine compt) Ignition switch J33 J34 Junction connector 33 & 34 (left front of engine comp) Junction connector 7 (below engine room 1 j/b & engine room 1 r/b) Lock Nca Off Park/neutral position switch (on right side of transmission) Passenger side j/b (at right kick panel) Red Run St fuse 30a St2 Sta fuse 7.5a Star Start Starter Starter relay
SUPPLEMENTAL RESTRAINTS Supplemental Restraints Wiring Diagram (1 of 2) for Lexus LS 430 2004 List of elements for Supplemental Restraints Wiring Diagram (1 of 2) for Lexus LS 430 2004: 90 (at right side of dash) ik (in right front seat) right side air bag squib (inside of left front seat belt buckle) left front buckle switch (near base of left "b" pillar) left front pretensioner (near base of left "c" pillar) left rear pretensioner (near lower rear of left rear door opening) left rear side air bag sensor +sl +sr -sl -sr A23 A24 A25 Acc Air bag sensor assembly (front of center console) Air bag squib (steering wheel pad) (in steering wheel) Anti-theft system Bm (at left rear quarterpanel) C13 D2+ D2- Dk+ Dk- Escl Escr Esl Esr Fsr+ Fsr- Gsw Gsw3 Hot at all times Icl+ Icl- Icr+ Icr- Ig2 Ignition switch J/c 23 (rearward of left rear fenderwell) Lbe+ Left curtain shield air bag squib (left "c" pillar) Left side air bag squib (in left front seat) Lock Lsp+ Lsp- Mpx1 Mpx2 Occupant detection sensor Off P2+ P2- Passenger side j/b Passenger side j/b (at right kick panel) Pk+ Pk- Pl+ Pl- Plr+ Plr- Pr+ Pr- Prr+ Prr- Rbe+ Red Right curtain shield air bag squib (right "c" pillar) Right front buckle switch (inside of right front seat belt buckle) Right front pretensioner (near base of right "b" pillar) Right front side air bag sensor (near base of right "b" pillar) Right rear pretensioner (in right rear door) Right rear side air bag sensor (near lower rear of right rear door opening) Rl+ Rl- Rr+ Rr- Seat position air bag sensor Sfl+ Sfl- Sfr+ Sfr- Sil Ssl+ Ssl- Ssr+ Ssr- Start Vucl Vucr Vupl Vupr Supplemental Restraints Wiring Diagram (2 of 2) for Lexus LS 430 2004 List of elements for Supplemental Restraints Wiring Diagram (2 of 2) for Lexus LS 430 2004: 62 (at right kick panel) (at right side of shift lever) ii +sl +sr -sl -sr A/c control assembly A11 Afs ecu (right side of dash) Air bag Air bag squib (front passenger air bag assembly) (right side of dash) C12 Center cluster integration panel Combination meter Cpu Data link connector 3 (below left side of dash) Dbkl Driver side j/b Driver side j/b (at left kick panel) Driver side j/b ecu (at left kick panel) E10 Engine room 2 r/b (on left front of engine compartment, behind headlight) Esl F13 F15 Front controller Gateway ecu (behind left end of dash) Gauge fuse 7.5a Gsw3 Hot in on or start I7 (right top of dash) Ih (at right side of shift lever) J16 J17 Junction connector 16 & 17 (behind upper center of dash) Junction connector 17 (behind upper center of dash) Left front air bag sensor (on left front of engine compt) Left front side air bag sensor (near base of left "b" pillar) Left knee air bag squib (lower left side of dash) Mpi1 Mpi2 Mpl2 Mpx + Mpx - Mpx- Mpx1 Mpx2 Passenger side j/b Passenger side j/b (at right kick panel) Passenger side j/b ecu Red Right front air bag sensor (on right front of engine compt) Right knee air bag squib (lower right side of dash) Sil Solid state Srs ind Ssl+ Ssl- Telephone transceiver & speaker relay (on left side of luggage compt) Vupl W/ lexus navigation system W/o lexus navigation system
TRANSMISSION A/T Wiring Diagram (1 of 4) for Lexus LS 430 2004 List of elements for A/T Wiring Diagram (1 of 4) for Lexus LS 430 2004: 47 (behind upper center of dash) (right side of shift lever) ih +b1 Accelerator position sensor (behind left center of dash) Batt C12 Canh Canl Combination meter Computer data lines system Cpu Data link connector 3 (below left side of dash) Ec (left radiator side support) Engine control module (ecm) (on left front of engine compt, in protective case) Engine controls system Ep1 Ep2 Epa Epa2 Igsw Ii (right side of shift lever) J/c 10 J/c 12 J/c 13 (behind upper center of dash) J/c 16, j/c 17 J/c 16, j/c 17 (behind upper center of dash) J/c 35 (left side of dash) J16 J17 Mrel Pwr Red Sftd Sftu Short s2 connector s1 Snow Spd Sta Stp Tac Tach Vcp1 Vcp2 Vcpa Vpa Vpa1 Vpa2 A/T Wiring Diagram (2 of 4) for Lexus LS 430 2004 List of elements for A/T Wiring Diagram (2 of 4) for Lexus LS 430 2004: 20 Dome fuse 10a Driver side j/b (at left kick panel) Driver side j/b ecu (at left kick panel) E13 E16 E9 (in engine harness, under engine room no. 1 j/b) Ec (left radiator side support) Efi 1 fuse 25a Efi main relay Engine controls system Engine room r/b 1 (on left front of engine compt, behind headlight) Gauge fuse 7.5a Hot at all times Hot in on or start J/c 1, j/c 2 (left front engine compt) Mpx-b2 fuse 7.5a Passenger side j/b (at right kick panel) Red Stpi Stpo A/T Wiring Diagram (3 of 4) for Lexus LS 430 2004 List of elements for A/T Wiring Diagram (3 of 4) for Lexus LS 430 2004: 34 (at right kick panel) passenger side j/b ecu (left side of intake manifold) j/c 1, j/c 2 Computer data lines system Ef (on left cylinder head) Electronically controlled transmission pattern select switch Engine control module (ecm) (on left front of engine compt, in protective case) Engine room r/b 1 (on left front of engine compt, behind headlight) Eoil Fr ig fuse 7.5a Hot in on or start Hot in start Ign fuse 7.5a Ik (right side of firewall) J/c 3, j/c 4 (left front of engine compt) Mpx- Nt+ Nt- Oil Pwr Red Sl1+ Sl1- Sl2+ Sl2- Slt+ Slt- Slu+ Slu- Snow Sp2+ Sp2- Sta fuse 7.5a Turbine speed sensor (in transmission) Vehicle speed sensor (on transmission) A/T Wiring Diagram (4 of 4) for Lexus LS 430 2004 List of elements for A/T Wiring Diagram (4 of 4) for Lexus LS 430 2004: 40 (above brake pedal, on bracket) stoplight switch (engine harn, at top center rear of engine) +bm A/t indicator light switch Driver side j/b (at left kick panel) E01 E02 E03 E12 Ee (on right cyl head) Ef (on left cyl head) Electronically controlled transmission solenoid (on left side of transmission) Engine control module (ecm) (on left front of engine compt, in protective case) Engine controls system Engine coolant temperature sensor (on front center of engine) Engine room r/b 1 (on left front of engine compt, behind head- light) Etcs fuse 10a G2- Hot at all times Ik (at right side of dash) Me01 Ot+ Ot- Red Shield Sl1+ Sl1- Sl2+ Sl2- Slt+ Slt- Slu+ Slu- Stop fuse 5a Throttle position sensor & motor (on throttle body) Thw Transmission control switch Vc1 Vta1 Vta2
TRUNK, TAILGATE, FUEL DOOR Fuel Door Release Wiring Diagram for Lexus LS 430 2004 List of elements for Fuel Door Release Wiring Diagram for Lexus LS 430 2004: 34 (behind upper center of dash) j/c 14 & 15 Bm (at left rear quarterpanel) Bu+ Bu- Bubs Combination switch Driver side j/b (at left kick panel) Driver side j/b ecu E20 Fuel Fuel lid opener motor (on left side of luggage compt, behind left rear fenderwell) Fuel lid opener switch Fuel opn fuse 10a Fuel opn(o) Fuel opn(p) Gnd Hot at all times Ig (at left side of dash) J/c 23 (rearward of left rear fenderwell) J14 J15 L14 Luggage room j/b (on left side of luggage compartment) Luggage room j/b ecu Mpx+ Mpx-b Mpx-b3 fuse 7.5a Mpx1 Mpx2 P-gnd Passenger side j/b (at right kick panel) Power tilt & power telescopic ecu (behind left side of dash) Red Tx1 Trunk Release & Pull Down Wiring Diagram for Lexus LS 430 2004 List of elements for Trunk Release & Pull Down Wiring Diagram for Lexus LS 430 2004: 42 (behind upper center of dash) j/c 14 & 15 Bdcy Bm (at left rear quarterpanel) Bu- Bubs Cls Computer data lines system Cty Door lock switch (luggage) Driver side j/b (at left kick panel) Driver side j/b ecu E12 Fuel opn fuse 10a Gnd Hot at all times Ig (at left side of dash) J/c 23 (rearward of left rear fenderwell) J/c 24 (on left rear of luggage compt lid) J14 J15 L-o/c (p) L12 L14 Lcls Lcm+ Lcm- Lcty Lopn Luggage compartment door closer motor (on center rear of luggage compt lid) Luggage compartment door opener switch Luggage room j/b (on left side of luggage compt) Luggage room j/b ecu Mpx+ Mpx- Mpx-b Mpx-b3 fuse 7.5a Mpx2 Opn P-gnd Passenger side j/b (at right kick panel) Red Tsw
WARNING SYSTEMS Warning Systems Wiring Diagram for Lexus LS 430 2004 List of elements for Warning Systems Wiring Diagram for Lexus LS 430 2004: 71 (front of center console) A24 A25 A39 Afs ecu (right side of dash) Air bag sensor assembly Bm (at left rear quarterpanel) Combination meter Cpu Cty D25 Dbkl Dome fuse 10a Door ind Driver door ecu (inside front of left front door) Driver side j/b (at left kick panel) Driver side j/b ecu (at left kick panel) E10 E13 E16 Engine room 2 r/b (on left front of engine compt, behind headlight) F13 F15 Front controller Gateway ecu (behind left end of dash) Gauge fuse 7.5a Gnd Hot at all times Hot in on or start I14 Ig+ Ih (at right side of shift lever) Ii (at right side of shift lever) Ij (at right dash brace) Ik (at right side of dash) J/c 10 (behind upper center of dash) J/c 12 & 13 (behind upper center of dash) J/c 12 (behind upper center of dash) J/c 14 & 15 (behind upper center of dash) J/c 16 & 17 (behind upper center of dash) J/c 23 J12 J13 J14 J15 g J16 J17 Ksw Left front buckle switch (inside of left front seat belt buckle) Left front door courtesy switch (at left "b" pillar) Mpd1 Mpi2 Mpl2 Mpx-b2 fuse 7.5a Mpx1 Mpx2 P-ig fuse 7.5a Passenger seat belt warning light (clock) Passenger seat belt warning light (multi- display) Passenger side j/b (at right kick panel) Pbew Pnk Rbe+ Red Right front buckle switch (inside of right front seat belt buckle) Seat belt ind Theft deterrent ecu (behind upper right center of dash) Transponder key computer (behind upper center of dash) Unlock warning switch W/ navigation system W/o navigation system
WIPER/WASHER Front Wiper/Washer Wiring Diagram for Lexus LS 430 2004 List of elements for Front Wiper/Washer Wiring Diagram for Lexus LS 430 2004: 37 Air bag C14 Combination switch Computer data lines system Ec (at left radiator side support) Engine room 1 r/b (on left front of engine compt, behind headlight) Engine room 2 r/b (on left front of engine compt, behind headlight) Front controller Front wiper motor (below left side of windshield) Fwas G j14 Gnd2 H j15 Hot at all times Hot in on or start Ig2 J/c 14 & 15 (behind upper center of dash) J/c 7 (below engine room 1 j/b & engine room 1 r/b) Mpx Mpx-b3 fuse 7.5a Mpx1 Mpx2 Overhead j/b (at front of roof opening) P-ig fuse 7.5a Passenger side j/b (at right kick panel) Passenger side j/b ecu (at right kick panel) Pnk Rain sensor (near top center of windshield) S/m S/s Sig Washer fuse 20a Washer level sensor (on washer fluid reservoir, below left headlight) Washer motor (on washer fluid reservoir, below left headlight) Wip Wip fuse 30a Wlvl Headlamp Washer Wiring Diagram for Lexus LS 430 2004 List of elements for Headlamp Washer Wiring Diagram for Lexus LS 430 2004: 25 A j1 A j2 C14 Combination switch Driver side j/b ecu (at left kick panel) Ec (at left radiator side support) Engine room 1 r/b (on left front of engine compt, behind headlight) Fr ig fuse 7.5a Front controller Frwa H-lp cln fuse 30a Hdcl Hdlo Head Headlight cleaner control relay (behind left headlight) Headlight cleaner motor (below left headlight) Headlight cleaner switch Hot at all times Hot in on or start Ig (at left side of dash) J/c 1 & 2 (left front of engine compt) Light control switch Off Pnk Tail
