All Wiring Diagrams for Lexus LS 430 2004 model

AIR CONDITIONING

Automatic A/C Wiring Diagram, Front (1 of 2) for Lexus LS 430 2004

List of elements for Automatic A/C Wiring Diagram, Front (1 of 2) for Lexus LS 430 2004:

• (at right kick panel)
• (at right side of dash) ik
• (at right side of shift lever) ii
• A/c control assembly
• A/c fuse 7.5a
• A/c pressure sensor (on left front of engine compt)
• A/c room
• A/c room temperature switch (front passenger's side)
• A/c solar sensor (front) (behind upper center of dash)
• A/c solar sensor (rear) (if equipped) (near center of rear speaker shelf, at base of rear window)
• A11
• A12
• Acc
• Assembly
• Blower motor (behind lower right side of dash)
• Blw
• Clock (w/o navigation)
• Combination meter
• Compressor
• Computer data lines system
• Cpu
• Defogger system
• Dgs
• Dome fuse 10a
• Down
• Driver side j/b (at left kick panel)
• Ds1
• Ds2
• Ds3
• Ds4
• Dual
• Duind+
• Duind-
• Drdn
• Drgnd
• Drup
• E13
• E14
• E16
• E17
• Eb (under fusible link block)
• F11
• F12
• F15
• Fusible link block (on right rear of engine compt)
• Gateway ecu (behind left end of dash)
• Gauge fuse 7.5a
• Gnd
• Gtx+
• Gtx-
• Heater control switch (center cluster integration panel) (w/o navigation)
• Heater control switch (multi-display) (w/ navigation)
• Heater fuse 50a
• Hot at all times
• Hot in on or acc
• Hot in on or start
• I8 (right top of dash)
• Ig+
• Ii (at right side of shift lever)
• Ill+
• Ill-
• Ind+
• Ind-
• Instrument panel register
• Interior lights system
• J14 g
• J15 g
• J16 b
• J17 d
• Junction connector (behind upper center of dash)
• Junction connector 14 & 15 (behind upper center of dash)
• Junction connector 16 & 17 (behind upper center of dash)
• Mpi1
• Mpi2
• Mpx+
• Mpx-
• Mpx-b2 fuse 7.5a
• Mpx-ig fuse 7.5a
• Multi- display
• P-acc fuse 7.5a
• P-ig fuse 7.5a
• Passenger side j/b
• Passenger side j/b (at right kick panel)
• Pnk
• Prs
• Ps+b
• Ps1
• Ps2
• Ps3
• Ps4
• Padn
• Pagnd
• Paup
• Radio & player
• Rdfgr
• Red
• S5-2
• S5-4
• Sol+
• Sol-
• Speedometer
• Tamo
• Tamout
• Temperature switch (driver's side)
• Tsdr
• Tsl
• Tspa
• Tsr
• Tsrr
• Tx+
• Tx-
• Tx2+
• Tx2-
• Txs+
• Txs-
• W/ navigation
• W/o navigation

Automatic A/C Wiring Diagram, Front (2 of 2) for Lexus LS 430 2004

List of elements for Automatic A/C Wiring Diagram, Front (2 of 2) for Lexus LS 430 2004:

• (at left radiator side support) ec
• (center of dash)
• (center of dash) i9
• (in engine harness, at top center rear of engine) e12
• (in engine harness, under ecu box) e1
• (left front of engine compt) junction connector 1
• +b1
• A/c ambient temperature sensor (behind left side of bumper fascia)
• A/c control assembly
• A/c evaporator temperature sensor
• A/c ig fuse 7.5a
• A/c room temperature sensor (behind left center of dash)
• A13
• A36
• A37
• Abodr
• Abopa
• Absdr
• Abspa
• Aif
• Air
• Air inlet control servo motor (right side of dash)
• Air mix control servo motor (driver side) (center of dash)
• Air mix control servo motor (front passenger side) (right side of dash)
• Air vent mode control servo motor (driver side) (center of dash)
• Air vent mode control servo motor (front passenger side) (center of dash)
• Amdb
• Amdr1
• Amdr2
• Amdr3
• Amdr4
• Ampb
• Ampa1
• Ampa2
• Ampa3
• Ampa4
• Aodb
• Aodr1
• Aodr2
• Aodr3
• Aodr4
• Aopb
• Aopa1
• Aopa2
• Aopa3
• Aopa4
• C-gnd
• Canh
• Canl
• Computer data lines system
• Cool air bypass servo motor (driver side) (left side of dash)
• Cool air bypass servo motor (front passenger side) (right side of dash)
• Cooling fan ecu (on front center of engine compt, on radiator support)
• D-sig
• Duct sensor (driver's side) (behind upper left side of dash)
• Duct sensor (front passenger's side) (behind upper right side of dash)
• 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 r/b 1 (on left front of engine compt, behind headlight)
• Exhaust gas sensor (on right side of engine, on exhaust system)
• Fan fuse 50a
• Fan relay
• Fr ig fuse 7.5a
• Frs
• Fusible link block (on right rear of engine compt)
• Gnd
• Hot at all times
• Hot in on or start
• Junction connector 3 (left front of engine compt)
• Junction connector 7 (below engine room j/b 1 & engine room r/b 1)
• Magnetic field sensor (w/ compass) (behind center of dash)
• Mopen
• Mshut
• Nca
• Nox
• Open
• Pnk
• Rec
• Red
• Rfc
• S5-3
• S5-5
• Sg-1
• Sg-2
• Sg-3
• Sg-4
• Sg-5
• Sg-7
• Shield
• Short connector s1 & s2 (left front of engine compt)
• Shut
• T15
• Tam
• Telephone transceiver & speaker relay (w/ lexus link system: on right side of luggage compt) (w/o lexus link system: on left side of luggage compt)
• Telin
• Tfacedr
• Tfacepa
• Thw
• Tp1
• Tpbdr
• Tpbpa
• Vmid
• Water valve servo motor (center of dash)
• Wvig
• Wvo
• Wvs

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:

• (+)
• (-)
• (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:

• (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:

• (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:

• (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:

• (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:

• (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:

• (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:

• (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:

• (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:

• (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:

• 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:

• (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:

• (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:

• (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:

• (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:

• 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:

• (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:

• 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:

• 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:

• 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:

• (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:

• (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:

• (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:

• (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:

• (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:

• (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:

• (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:

• (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:

• & 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:

• 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:

• (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:

• (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:

• (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:

• (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:

• 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:

• (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:

• (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:

• (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:

• (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:

• (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:

• (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:

• 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:

• (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:

• (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 (2 of 5) for Lexus LS 430 2004

List of elements for Ground Distribution Wiring Diagram (2 of 5) for Lexus LS 430 2004:

• (in dash harness, behind center of instrument cluster) i3
• (on left front of engine compt, behind headlight) engine room 2 r/b
• (right top of dash) i7
• A20
• A24
• Air bag sensor assembly
• Air suspension ecu
• C13
• Camshaft position sensor shield
• Combination meter
• Combination switch
• Crankshaft position sensor shield
• D-acc relay
• D-ig1 relay
• Data link connector
• Data link connector 3
• Defog relay
• Distance control ecu
• Driver side j/b (at left kick panel)
• Driver side j/b ecu
• E01
• E12
• E12 (in engine harness, at
• E12 (in engine harness, at top center rear of engine)
• E13
• E13 (in engine harness, at top rear of left cylinder head)
• E19
• E2 (in engine harness, near ecu box)
• E20
• E8 (in engine harness, under ecu box)
• Ee (on right cylinder head)
• Ef (on left cylinder head)
• Engine control module
• Engine oil level sensor
• Eo2
• Eo3
• Front controller
• Fuel lid opener switch
• Gateway ecu
• Gnd
• H j34
• Heated oxygen sensor (bank 1 sensor 1) shield
• Heated oxygen sensor (bank 1 sensor 2) shield
• Heated oxygen sensor (bank 2 sensor 1) shield
• Heated oxygen sensor (bank 2 sensor 2) shield
• I3 theft deterrent ecu
• I3 transponder key computer
• Ig (at left side of dash)
• Ignition coil & igniter 1
• Ignition coil & igniter 2
• Ignition coil & igniter 3
• Ignition coil & igniter 4
• Ignition coil & igniter 5
• Ignition coil & igniter 6
• Ignition coil & igniter 7
• Ignition coil & igniter 8
• Ih (at right side of shift lever)
• Ij (at right dash brace)
• J/c 12 & 13 (behind upper center of dash)
• J/c 3 & 4 (left front of engine compt)
• J/c 33 & 34 (left front of engine compt)
• J/c 8 (behind left end of dash)
• J/c 9 (behind left end of dash)
• J12
• J13
• J33
• J34
• J39
• Junction connector
• Key interlock solenoid (unlock warning switch)
• Knock sensors shield
• Laser sensor
• Left vvt sensor shield
• Luggage compartment door opener switch
• Me01
• Multi- display
• Outer mirror switch
• Power tilt & power telescopic ecu
• Pressure switch
• Radio & player
• Rheostat
• Right vvt sensor shield
• Sgnd
• Shielded
• Sln-
• Smart key system cancel switch
• Steering lock ecu
• Steering sensor
• T15
• Telephone transceiver & speaker relay
• Telescopic motor & position sensor shield
• Tilt motor & position sensor shield
• Top center rear of engine)
• Transmission control switch
• Un-
• Unlock warning switch
• W/ navigation
• W/ smart key
• W/ smart key system
• W/o lexus navigation
• W/o smart key
• W/o smart key system

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:

• (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:

• (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:

• (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:

• 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:

• (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:

• (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:

• (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:

• (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

Instrument Cluster Wiring Diagram for Lexus LS 430 2004

List of elements for Instrument Cluster Wiring Diagram for Lexus LS 430 2004:

• (at right side of shift lever) ii
• (below left side of dash) data link connector 3
• (on lower left front of engine) oil pressure switch
• (usa) (canada)
• A/b
• A/c control assembly
• A/t d
• A/t n
• A/t p
• A/t r
• A/t s
• A12
• Abs ind
• Acc
• Afs off ind
• Beam ind
• Bo (at right rear quarterpanel)
• Brake fluid level warning switch (on brake master cylinder reservoir)
• Brake ind
• C14
• Can h
• Can l
• Center cluster integration panel
• Center of dash)
• Charge ind
• Chk
• Clock (w/o navigation)
• Combination meter
• Computer data lines system
• Cpu
• Cruise ind
• Display multi
• Dome fuse 10a
• Door ind
• Driver side j/b (at left kick panel)
• E13
• E14
• E16
• E17
• Ec (at left radiator side support)
• Ect pwr ind
• Ect snow ind
• Ef (on left cylinder head)
• Electronic suspension system
• Engine control module (on left front of engine compartment, in protective case)
• Engine controls system electronic suspension system
• Engine oil level sensor (on left center of engine)
• Exterior lights system
• F red
• F15
• Front fog ind
• Fsme
• Fsms
• Fsmv
• Fsse
• Fsss
• Fssv
• Fuel gauge
• Fuel ind
• Fuel sender (main) (under left rear of vehicle, forward of left rear fenderwell)
• Fuel sender (sub) (forward of right rear fenderwell)
• Gauge fuse 7.5a
• H red
• Head ind
• Hot at all times
• Hot in on or acc
• Hot in on or start
• I20
• Ig+
• Ih (at right side of shift lever)
• Ii (at right side of shift lever)
• Ill+
• Ill-
• Interior lights system
• J/c 10 & 11 (behind upper center of dash)
• J/c 16 & 17 (behind upper b
• J/c 16 & 17 (behind upper center of dash)
• J/c 29 (rearward of right rear fenderwell)
• J/c 30
• J/c 4 (left front of engine compartment)
• J10
• J11
• J14
• J15
• J16
• J17
• L13
• L14
• Lbl-
• Left turn ind
• Luggage room j/b ecu (on left side of luggage compt)
• Malfunction ind lamp
• Master ind
• Mol
• Mops
• Mpx+
• Mpx-
• Mpx-b2 fuse 7.5a
• Multi-display
• Navigation, engine controls, electronic power steering & sound systems
• Num
• Of dash)
• 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
• Passenger side j/b (at right kick panel)
• Passenger side j/b ecu (at right kick panel)
• Pbew
• Pblt
• Pind
• Pkb
• Pnk
• Red
• Right front pad wear indicator switch (right front abs speed sensor)
• Right rear pad wear indicator switch (right rear abs speed sensor)
• Right turn ind
• Rset
• Seat belt ind
• Shift range position indicator light
• Skid control ecu w/ actuator (behind left side of dash)
• Slip ind
• Sp1
• Speedometer
• Srs ind
• Tac
• Tachometer
• Tail ind
• Tamo
• Tamout
• Tech
• Tems
• Tems sport ind
• Trac off ind
• Trip odo/
• Trip switch
• W/ navigation
• W/o navigation
• Water temp gauge

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:

• (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:

• (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:

• (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:

• (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:

• (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:

• (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:

• (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:

• (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:

• (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:

• (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:

• (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:

• 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:

• (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:

• (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:

• (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:

• 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:

• (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:

• 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:

• 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:

• (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:

• (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:

• 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:

• (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:

• 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:

• (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:

• 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:

• 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:

• (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:

• 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:

• (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:

• (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:

• 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:

• (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:

• 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:

• (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:

• 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:

• (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:

• 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:

• 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:

• (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:

• (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:

• (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:

• 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:

• (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:

• (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:

• (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:

• (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:

• (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:

• 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:

• 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