COOLING FAN
Cooling Fan Wiring Diagram for Lexus LS 400 1991
List of elements for Cooling Fan Wiring Diagram for Lexus LS 400 1991:
15
- A/c high pressure switch (right front of engine compt)
- Cooling fan motor 1 (front of engine compt)
- Cooling fan motor 2 (front of engine compt)
- Cooling fan relay 1
- Cooling fan relay 2
- Cooling fan relay 3
- G100 (front left fender)
- G101 (front right fender)
- Hot in run or start
- Ign fuse 7.5a
- J/b 1 (left side of steering column)
- J/b 2 (left side of engine compt)
- R/b 6 (under left headlamp)
- Rdi fan fusible link 30a
- Water temperature switch (left front of engine compt)
DEFOGGERS
Defogger Wiring Diagram for Lexus LS 400 1991
List of elements for Defogger Wiring Diagram for Lexus LS 400 1991:
22
- (w/ memory) (w/o memory)
- (w/o memory) (w/ memory)
- A/c control assembly
- Choke coil (left rear of trunk)
- Defog circuit breaker 40a
- Defogger relay
- G200 (left kick panel)
- G203 (right kick panel)
- G905 (under left rear pillar)
- Gnd
- Heater
- Heater fuse 15a
- Hot at all times
- Hot in start or run
- J/b 1 (left side of steering column)
- Left remote mirror
- Mir-htr fuse 10a
- Rdfg
- Rear window defogger
- Right remote mirror
- W/ wireless door lock
- W/o wireless door lock
HORN
Horn Wiring Diagram for Lexus LS 400 1991
List of elements for Horn Wiring Diagram for Lexus LS 400 1991:
9
- A11
- Haz-horn fuse 15a
- Horn relay
- Horn switch (combination switch)
- Hot at all times
- J/b 2 (left side of engine compartment)
- Left horn
- Right horn
- Theft deterrent and door lock ecu
MEMORY SYSTEMS
Memory Mirrors Wiring Diagram for Lexus LS 400 1991
List of elements for Memory Mirrors Wiring Diagram for Lexus LS 400 1991:
48
- 10a
- A10
- A11
- A12
- A13
- A14
- A15
- A16
- Acc
- Defogger system
- Dome fuse
- Down
- G203 (right kick panel)
- Gnd
- Hot at all times
- Hsrl
- Hsrr
- J/b 1 (left side of steering column)
- J/b 2 (left side of engine compt)
- J/b 4 (behind combination meter)
- Left
- Left remote control mirror
- M+l
- M+r
- Mhl
- Mhr
- Mvl
- Mvr
- Nca
- Operation switch
- Power seat ecu (under driver's seat)
- Radio 2 fuse 7.5a
- Red
- Remote control mirror ecu (right side of dash)
- Remote control mirror switch
- Right
- Right remote control mirror
- Select switch
- Shield
- Swb
- Swe
- Swlh
- Swlv
- Swrh
- Swrv
- Tilt/power telescopic ecu (behind left side of dash)
- Vsrl
- Vsrr
Memory Power Tilt & Power Telescopic Wiring Diagram for Lexus LS 400 1991
List of elements for Memory Power Tilt & Power Telescopic Wiring Diagram for Lexus LS 400 1991:
78
- 10a
- 15a
- A10
- A11
- A12
- A16
- Asw
- Auto sw
- B. dw
- B. up
- B10
- B11
- B12
- B13
- B14
- B15
- B16
- B17
- B18
- Bem+
- Bem-
- Bes
- C20
- Dome fuse
- Down
- Driving position memory and return switch
- Dsw
- Ecu-ig fuse
- Ecu. b
- Ecu. e
- G200 (left kick panel)
- G203 (right kick panel)
- Gauge fuse
- Gnd
- Hot at all times
- Hot in run
- Interior lights system
- J/2 junction connector (behind left side of dash)
- J/b 1 (left side of steering column)
- J/b 2 (left side of engine compartment)
- J/b 4 (behind combination meter)
- Left front door courtesy switch
- Manual sw
- Mry
- Msw
- N0. 1
- N0. 2
- Nca
- Park/neutral position switch (on transmission)
- Pnk
- Power circuit breaker 30a
- Power seat ecu (under driver's seat)
- Red
- Remote control mirror ecu (right side of dash)
- Set
- Shield
- Shoulder belt anchor motor
- Shoulder belt anchor sensor
- Telesco long
- Telesco short
- Telescopic control motor
- Telescopic position sensor
- Telescopic position sensor (left side of dash)
- Tem+
- Tem-
- Tes
- Tilt and power telescopic ecu (left side of dash)
- Tilt and power telescopic unit (combination switch)
- Tilt control motor
- Tilt down
- Tilt position sensor
- Tilt up
- Tim+
- Tim-
- Tis
- U.w. sw
- Unlock warning switch (ignition switch)
- Warning systems (seat belt warning relay)
Memory Seat Wiring Diagram (1 of 2) for Lexus LS 400 1991
List of elements for Memory Seat Wiring Diagram (1 of 2) for Lexus LS 400 1991:
39
- A/t indicator switch
- Antenna motor
- B11
- B12
- Door circuit breaker 30a
- Down
- Driver's front vertical motor
- Driver's head rest motor
- Driver's power seat control switch
- Driver's rear vertical motor
- Driver's slide control motor
- Driving position memory/ return switch
- Ecu-ig fuse 15a
- Front
- Front vertical
- G203 (right kick panel)
- G904 (lower left "c" pillar)
- Hot at all times
- Hot in run
- Interior light system
- J/b 1 (left side of dash)
- J/b 4 (behind left side of dash)
- Left front door courtesy switch (near left front door latch)
- Luggage compt light
- Lumbar support motor (under left seat)
- Lumbar support support
- Nca
- Pnk
- Power seat ecu (under driver's seat)
- Rear
- Reclining
- Red
- Rest up head
- Set
- Slide
- Stop fuse 25a
- Stop light switch (on brake support)
- Tilt/power telescopic ecu (behind left side of dash)
- Vertical rear
Memory Seat Wiring Diagram (2 of 2) for Lexus LS 400 1991
List of elements for Memory Seat Wiring Diagram (2 of 2) for Lexus LS 400 1991:
22
- 2b b8
- Dome fuse 10a
- Down
- Driver's power seat reclining motor control (under driver's seat)
- Front
- Front vertical position sensor (under driver's seat)
- G905 (under right "c" pillar)
- Head rest position sensor (driver's seat back)
- Hot at all times
- J/b 1 (left side of dash)
- J/b 2 (left side engine compt)
- Passenger's head rest motor
- Passenger's power seat control switch
- Passenger's reclining motor
- Passenger's slide motor
- Rear
- Rear vertical position sensor (under driver's seat)
- Reclining
- Red
- Rest head
- Slide
- Slide position sensor (under driver's seat)
POWER ANTENNA
Power Antenna Wiring Diagram for Lexus LS 400 1991
List of elements for Power Antenna Wiring Diagram for Lexus LS 400 1991:
26
- Acc
- Amp+
- Ant+b
- Anta
- Antb
- Auto antenna control relay
- Auto antenna motor
- Auto antenna motor and relay (left side of trunk)
- Down
- Ecu-ig fuse 15a
- G904 (under left rear pillar)
- Gnd
- Hot at all times
- Hot in accy or run
- Hot in run
- J/b 1 (left side of steering column)
- J/b 4 (behind combi- nation meter)
- R/b 2 (left side of eng compt)
- Radio 1 fuse 20a
- Radio 2 fuse 7.5a
- Radio and player
- Red
- Sensor
- Sgnd
- Sig
- Svcc
POWER DOOR LOCKS
Keyless Entry & Anti-Theft Wiring Diagram (1 of 2) for Lexus LS 400 1991
List of elements for Keyless Entry & Anti-Theft Wiring Diagram (1 of 2) for Lexus LS 400 1991:
62
- 1b d8
- 1b e7
- 1b e9
- 2b b8
- 30a
- Acc
- Bcty
- Bkul
- Cig fuse 15a
- Cty
- Dome
- Dome fuse 10a
- Door circuit breaker
- Dul
- Ecu-ig fuse 15a
- Engine hood courtesy switch (center front of engine compartment)
- Fssr
- G101 (right front fender)
- G203 (right kick panel)
- G904 (left "c" pillar)
- Head
- Headlight relay
- Hood
- Horn
- Horn relay
- Hot at all times
- Hot in run
- Hot in run or accy
- Ind
- J/b 1 (left side of dash)
- J/b 2 (left side of engine compt)
- J/b 4 (left side of dash)
- Left front door key lock/unlock switch
- Lock
- Lsr2
- Lssr
- Luggage compartment light
- Luggage compartment light switch (center rear of trunk)
- Master power window/door lock control switch
- Pcty
- Power circuit breaker 30a
- Power main relay
- Red
- Right front door key lock/unlock switch
- Right front door lock control switch
- Rly
- Rrl
- Rssr
- Sol
- Starter relay
- Sul
- Swl
- Swul
- Tail
- Taillight relay
- Theft deterrent and door lock ecu (right side of dash)
- Trk
- Ul-
- Ulsw
- Unlock
- Wireless door lock ecu (left rear of trunk)
- Wireless door lock main switch
Keyless Entry & Anti-Theft Wiring Diagram (2 of 2) for Lexus LS 400 1991
List of elements for Keyless Entry & Anti-Theft Wiring Diagram (2 of 2) for Lexus LS 400 1991:
29
- B11
- G200 (left kick panel)
- G203 (right kick panel)
- G407 (center rear of trunk)
- G904 (left "c" pillar)
- G905 (right "c" pillar)
- Haz-horn fuse 15a
- Hazard switch
- Hot at all times
- Ignition/ unlock warning switch (ignition switch)
- J 1 junction connector (behind left side of dash)
- J/b 2 (left side of engine comp)
- J/b 3 (behind center of dash)
- J/b 4 (left side of dash)
- Left front door courtesy switch (near left front door latch)
- Left front door lock motor, unlock/ open detection switch
- Left rear door courtesy switch (near left rear door latch)
- Left rear door lock motor
- Luggage comparment door opener solenoid (center rear of trunk)
- Luggage compartment door opener switch
- Luggage compartment key unlock switch (right rear of trunk)
- Main
- Rheostat volume/ theft indicator light
- Right front door courtesy switch (near right front door latch)
- Right front door lock motor, unlock/ open detection switch
- Right rear door courtesy switch (near right rear door latch)
- Right rear door lock motor
- Theft
- Theft deterrent horn (right rear of engine compt)
POWER MIRRORS
Liquid Crystal Rear View Mirror Wiring Diagram for Lexus LS 400 1991
List of elements for Liquid Crystal Rear View Mirror Wiring Diagram for Lexus LS 400 1991:
13
- Day/night shift switch (center front of roof)
- Dome fuse 10a
- G200 (left kick panel)
- Hot at all times
- Ignition switch
- Inner mirror
- Interior lights system
- J/b 1 (left side of steering column)
- J/b 2 (left side of engine compt)
- J/b 4 (behind combi- nation meter)
- J/c 1 junction connector (behind left side of dash)
- Red
- Unlock warning switch
Power Mirror Wiring Diagram for Lexus LS 400 1991
List of elements for Power Mirror Wiring Diagram for Lexus LS 400 1991:
17
- Defogger system
- Down
- G200 (left kick panel)
- Hot in accy or run
- J/b 1 (left side of steering column)
- Left
- Left remote mirror
- Left up
- Operation
- Radio 2 fuse 7.5a
- Red
- Remote control mirror switch
- Right
- Right down
- Right remote mirror
- Select switch
- Switch
POWER SEATS
Power Seat Wiring Diagrams for Lexus LS 400 1991
List of elements for Power Seat Wiring Diagrams for Lexus LS 400 1991:
39
- 1b e9
- 2b a5
- Control
- Door circuit breaker 30a
- Down
- Driver's front vertical motor
- Driver's lumbar support motor
- Driver's power seat control switch
- Driver's rear vertical motor
- Driver's reclining motor
- Driver's seat heater
- Driver's seat heater relay (below passenger's seat)
- Driver's slide motor
- Front
- Front vertical
- G200 (left kick panel)
- G904 (under left "c" pillar)
- G905 (under right "c" pillar)
- Hot at all times
- Hot in run
- J/b 1 (left side of dash)
- J/b 2 (left side of engine compt)
- J/b 3 (behind center of dash)
- Left
- Lumbar support
- Motor
- Passenger's
- Passenger's seat heater relay (below passenger's seat)
- Passengers's seat heater
- Power
- Rear
- Rear vertical
- Reclining
- Right
- Seat
- Seat heater switch
- Seat/ htr fuse 20a
- Slide
- Switch
POWER WINDOWS
Power Window Wiring Diagram for Lexus LS 400 1991
List of elements for Power Window Wiring Diagram for Lexus LS 400 1991:
30
- Door lock
- Down
- Ecu-ig fuse 15a
- G200 (left kick panel)
- G203 (right kick panel)
- Hot at all times
- Hot in run or start
- J/b 1 (left side of steering column)
- J/b 4 (left side of dash)
- Left front
- Left front power window motor
- Left rear
- Left rear power window control switch
- Left rear power window motor
- Lock
- Lock switch
- Master power window switch/ left door lock control switch
- Nca
- Norm
- Power circuit breaker 30a
- Power main relay
- Power window master switch
- Red
- Right front
- Right front power window control switch
- Right front power window motor
- Right rear
- Right rear power window control switch
- Right rear power window motor
- Theft deterrent ecu (behind left side of dash)
RADIO
Base Model for Lexus LS 400 1991
List of elements for Base Model for Lexus LS 400 1991:
73
- +b2
- A10
- A12
- Acc
- Acc or on
- All times
- Amp
- Ant
- Anta
- Antb
- Auto antenna
- B10
- B12
- Ba9
- Bb9
- Bc8
- Bd9
- Cd changer (right side of trunk)
- Cdl+
- Cdl-
- Cdr+
- Cdr-
- D10
- D11
- D12
- D13
- D14
- Dome fuse 10a
- Door speaker
- Fl+
- Fl-
- Fr+
- Fr-
- G206 (right dash brace)
- G904 (left "c" pillar)
- Gnd
- Grd
- Hot at
- Hot in
- J/b 1 (left side of dash)
- J/b 2 (left engine compartment)
- J/c 3 (behind center of dash)
- Left front door speaker
- Left rear door speaker
- Luggage compt light switch
- Motor & relay
- Mute
- Nca
- Pnk
- Radio 1 fuse 20a
- Radio 2 fuse 7.5a
- Radio/ player
- Red
- Right front door speaker
- Right rear door speaker
- Rl+
- Rl-
- Rr+
- Rr-
- Sgnd
- Telephone transceiver & speaker relay (right side of trunk)
- Tlmt
- Tsw
- Tweeter
- Txm+
- Txm-
- Txs+
- Txs-
- Vi0
- Woofer speaker (center of rear shelf)
- Woofer speaker amplifier (left side of trunk)
- Wp+
- Wp-
STARTING/CHARGING
Charging Wiring Diagram for Lexus LS 400 1991
List of elements for Charging Wiring Diagram for Lexus LS 400 1991:
14
- (1991-92) (1990)
- Alt fusible link 120a
- Alternator
- Am1 fusible link 40a
- Battery
- Charging warning indicator
- Engine fuse 7.5a
- Fusible link box (left side of engine compt)
- Hot in run or start
- Ign fuse 7.5a
- J/b 1 (left side of steering column)
- Nca
- Starter motor
- Warning and indicator light
Starting Wiring Diagram for Lexus LS 400 1991
List of elements for Starting Wiring Diagram for Lexus LS 400 1991:
27
- (on transaxle)
- Acc
- Am2 fusible link 30a
- B10
- B13
- Battery
- Engine control module (behind glove box)
- Engine controls system
- Fusible link box (left side of engine compt)
- Hot at all times
- Ignition main relay
- Ignition switch
- J/b 2 (left side of engine compartment)
- J/b 4 (behind dash)
- Lock
- Nca
- Park/ neutral position switch
- Red
- Relay box 7 (right side of j/b 1)
- Run
- St fuse 7.5a
- St2
- Sta
- Start
- Starter motor (rear of engine)
- Starter relay
- Theft deterrent and door lock control ecu (behind left side of dash)
TRUNK, TAILGATE, FUEL DOOR
Trunk & Fuel Door Release for Lexus LS 400 1991
List of elements for Trunk & Fuel Door Release for Lexus LS 400 1991:
24
- (1990)
- (1991-92) (1993-94) theft deterrent & door lock ecu (behind left side of dash)
- (1993-94) (1991-92) (1990)
- Be7
- Cig fuse 15a
- Door circuit breaker 30a
- Ecu-ig fuse 15a
- Fb1
- Fuel lid opener switch
- Fuel lid opener solenoid (right side of luggage compartment)
- G200 (left kick panel)
- G905 (below right rear "c" pillar)
- Hot at all times
- Hot in acc or run
- Hot in run or start
- J/b 1 (under left side of dash)
- J/b 4 (behind combination meter)
- Luggage compartment door opener motor (center rear of luggage compartment)
- Luggage compartment door opener switch
- T10
- T10 t11 t11
- T10 t9
- T11
- T11 t10
WIPER/WASHER
Front Washer/Wiper Wiring Diagram for Lexus LS 400 1991
List of elements for Front Washer/Wiper Wiring Diagram for Lexus LS 400 1991:
17
- (left rear of engine compt)
- G200 (left kick panel)
- G202 (left dash brace)
- G203 (right kick panel)
- Hot in run
- Int
- Int time
- J 2 junction connector (left side of dash)
- J/b 1 (left side of steering column)
- Lo/mist
- Off
- Washer motor (left front of eng compt)
- Washer switch
- Wiper control relay (behind left side of dash)
- Wiper fuse 20a
- Wiper motor
- Wiper/ washer switch
Headlamp Washer Wiring Diagram for Lexus LS 400 1991
List of elements for Headlamp Washer Wiring Diagram for Lexus LS 400 1991:
34
- headlight cleaner relay (left front of eng compt)
- (right kick panel) g203
- 10a
- 20a
- 40a
- 7.5a
- Am1 fusible link
- Combination switch
- Daytime running light relay (left side of dash)
- Dimmer switch
- Flash
- Fusible link box (left side of eng)
- G200 (left kick panel)
- G202 (left dash brace)
- Gauge fuse
- Head
- Headlight cleaner motor (left front of engine compt)
- Headlight cleaner switch (center of dash)
- Headlight relay
- High
- Hot at all times
- Hot in run
- Hot with taillight relay energized
- Integration relay (left side of dash)
- J 1 junction connector (behind left side of dash)
- J/b 1 (left side of dash)
- J/b 4 (behind combination meter)
- Light control switch
- Off
- Panel fuse
- Red
- Tail
- Timer
- Wiper fuse