All Wiring Diagrams for Lexus LS 400 1999

AIR CONDITIONING

Automatic A/C Wiring Diagram (1 of 2) for Lexus LS 400 1999

List of elements for Automatic A/C Wiring Diagram (1 of 2) for Lexus LS 400 1999:

• (a/c sub 1 right wire harness, top right center of dash) i48
• (engine room main wire harness, behind left headlight) e8
• (instrument panel wire harness, top right center of dash) (w/o lexus navigation) i25 (w/lexus navigation) 126
• A/c control assembly (behind center of dash)
• A/c dual pressure switch (at upper left radiator support, integral to a/c triple pressure switch)
• A10
• A11
• A12
• A13
• A14
• A15
• A16
• A17
• A18
• A19
• A20
• A21
• A22
• A23
• A24
• A25
• A26
• Abol
• Abor
• Absl
• Absr
• Acc
• Acmg
• Aif
• Air
• Air inlet control servo motor (behind right side of dash)
• Air mix control servo motor (driver side) (behind center of dash)
• Air mix control servo motor (passenger side) (behind right side of dash)
• Air vent mode control servo motor (driver side) (behind center of dash)
• Air vent mode control servo motor (passenger side) (behind right side of dash)
• Aml1
• Aml2
• Aml3
• Aml4
• Amr1
• Amr2
• Amr3
• Amr4
• Aol1
• Aol2
• Aol3
• Aol4
• Aor1
• Aor2
• Aor3
• Aor4
• Blw
• Body ecu (behind left side of dash)
• C10
• C11
• C12
• C18
• Cool air bypass servo motor (driver side) (behind center of dash)
• Cool air bypass servo motor (passenger side) (behind right side of dash)
• D10
• D11
• D12
• D13
• D14
• D15
• D16
• D17
• D18
• D19
• D20
• D21
• D22
• Defogger system
• Dgs
• E11
• E13
• E16
• Engine control module (behind right side of dash)
• F11
• F21
• F22
• F23
• F24
• G206 (left dash brace)
• Gnd
• Hot in acc or on
• Ig+
• Ill+
• Instrument cluster system
• Instrument panel j/b (at rear of parking brake release lever)
• Interior lights system
• J/c 12 (behind upper center of dash)
• J/c 16 (behind upper center of dash)
• Lcki
• Mpx+
• Mpx-
• Mpx1
• Mpx2
• Multi display (w/lexus navigation system)
• Pbew
• Pnk
• Pre
• Radio no.2 fuse 15a
• Rdfg
• Rec- irc
• Reost
• Right fender) g101
• Tam
• Tel1
• Telephone transceiver & speaker relay (at right side of luggage compartment)
• Tfal
• Tfar
• Tpbl
• Tpbr
• Tpi
• Tsl
• Tsr
• W/o lexus navigation system
• W/o navigation system
• Wvo
• Wvs

Automatic A/C Wiring Diagram (2 of 2) for Lexus LS 400 1999

List of elements for Automatic A/C Wiring Diagram (2 of 2) for Lexus LS 400 1999:

• (a/c sub 1 left wire harness, top left center of dash)
• (a/c sub 1 right wire harness, top right center of dash) i48
• (at front of engine compartment, near right side of radiator support) engine coolant temperature switch
• (engine room main wire harness, near left headlight)
• (engine room main wire harness, near left headlight) e8
• (front side of right fender) g101
• (on left side of engine compartment, forward of strut tower) engine room j/b
• (right rear side of cylinder head) g117
• A/c ambient temperature sensor (behind right center of bumper)
• A/c evaporator temperature sensor (behind right center of dash)
• A/c fuse 7.5a
• A/c magnetic clutch (on a/c compressor)
• A/c room temperature sensor (behind center of dash)
• A/c single pressure switch (at upper left radiator support, integral to a/c triple pressure switch)
• A/c solar sensor (at upper right side of dash)
• B12
• B13
• Blower controller (behind right side m+ of dash)
• Blower motor (behind lower right side of dash)
• C12
• C21
• Center j/b (behind instrument cluster)
• Combination meter
• D11
• Driver side j/b (behind left kick panel)
• Duct sensor (driver side) (behind left side of dash)
• Duct sensor (passenger side) (behind upper right side of dash)
• E11
• Engine room j/b (on left side of engine compartment, forward of strut tower)
• Exhaust gas sensor (at front of engine compartment, near right center of radiator support)
• Fusible link block (on left side of engine compartment, forward of strut tower)
• G101 (front side of right fender)
• G201 (right side of dash)
• Gas
• Gnd
• Heater fuse 10a
• Heater fuse 50a
• Heater relay
• Hot at all times
• Hot in on or start
• Hot in on or start
• I47
• In line diode
• Instrument panel j/b (at rear of parking brake release lever)
• J/c 10 (behind right side of dash)
• J/c 13 (behind upper center of dash)
• J/c 3 (behind right kick panel)
• J11
• Mg clt relay
• Open
• R/b 6 (under left headlight)
• Radiator fan motor & resistor (at right front of engine compartment)
• Rdi fan 1 relay
• Rdi fan 2 relay
• Rdi fan fuse 30a
• Red
• Shut
• Water valve servo motor (behind center of dash)

ANTI-LOCK BRAKES

Anti-lock Brake Wiring Diagrams (1 of 3) for Lexus LS 400 1999

List of elements for Anti-lock Brake Wiring Diagrams (1 of 3) for Lexus LS 400 1999:

• (front of right front fender)
• A38
• A41
• Abs & trac & vsc actuator (at right front corner of engine compt)
• Abs & trac & vsc ecu (behind right side of dash)
• Abs fuse 60a
• Abs motor relay
• Abs sol relay
• Ast
• Braided
• C10
• C11
• C12
• Engine room r/b (on left side of engine compt, forward of strut tower)
• Fl+
• Fl-
• Fr+
• Fr-
• Fss
• Fusible link block (on left side of engine compt, forward of strut tower)
• G100 (front of left front fender)
• G101
• G206 (right side of instrument panel brace)
• Grd1
• Grd2
• Hot at all times
• Junction connector j/c 9 (right kick panel)
• Left front abs speed sensor (left front wheel assembly)
• Master cylinder pressure sensor (at right front of engine compt)
• Mr2
• Pmc
• Pnk
• Red
• Right front abs speed sensor (right front wheel assembly)
• Sflh
• Sflr
• Sfrh
• Sfrr
• Smfl
• Smr
• Spfl
• Spfr
• Srcf
• Srcr
• Srlh
• Srlr
• Srrh
• Srrr
• Vcm

Anti-lock Brake Wiring Diagrams (2 of 3) for Lexus LS 400 1999

List of elements for Anti-lock Brake Wiring Diagrams (2 of 3) for Lexus LS 400 1999:

• (behind lower left side of dash) data link connector 3
• (on top left side of engine) data link connector 1
• A12
• A13
• B10
• B11
• B18
• Brake fluid level warning switch (in brake fluid reservoir)
• C11
• C13
• C14
• Center j/b (behind instrument cluster)
• D12
• D15
• D17
• Driver side j/b (behind left kick panel)
• E14
• E16
• Ecu-b fuse 7.5a
• Ecu-ig fuse 10a
• Engine room j/b (on left side of engine compt, forward of strut tower)
• G202 (behind combination meter)
• G202 (left side of dash)
• G206 (right side of instrument panel brace)
• Hot at all times
• Hot in run or start
• Instrument panel j/b (at rear of parking brake release lever)
• Junction connector j/c 16 (behind center air vents)
• Junction connector j/c 5 (upper left end of dash)
• Junction connector j/c 6 (left end of dash)
• K10
• L12
• Park/neutral position switch (on transmission)
• Pnk
• Steering sensor (combination switch)
• Stop lp fuse 25a
• Stop-s fuse 7.5a
• Stoplight switch (brake pedal bracket)
• Vsc buzzer (behind lower left side of dash)
• Vsc off switch

Anti-lock Brake Wiring Diagrams (3 of 3) for Lexus LS 400 1999

List of elements for Anti-lock Brake Wiring Diagrams (3 of 3) for Lexus LS 400 1999:

• A11
• A15
• A39
• A40
• Abs & trac & vsc ecu (behind right side of dash)
• Abs indic
• B12
• B15
• B17
• Bat
• Braided
• Combination meter
• Csw
• D/g
• Driver side j/b (behind left kick panel)
• E13
• E14
• E20
• E21
• E22
• Electronic suspension system
• Eng+
• Eng-
• Engine control module (behind right side of dash)
• Ex02
• Flo
• Fro
• G203 (right kick panel)
• Gauge fuse 10a
• Ggrd
• Gl1
• Gl2
• Grd3
• Gss
• Gyaw
• Headlight beam level control ecu (behind right side of dash)
• Hot in run or start
• Ig1
• Ind
• Instrument panel j/b (at rear of parking brake release lever)
• Junction connector j/c 18 (upper right end of dash)
• Lbl-
• Lblo
• Left rear abs speed sensor (left rear wheel assembly)
• Neo
• Pnk
• Red
• Right rear abs speed sensor (right rear wheel assembly)
• Rl+
• Rl-
• Rr+
• Rr-
• Slip indic
• Sp1
• Ss1+
• Ss1-
• Stp
• Trc+
• Trc-
• Vgs
• Vsc deceleration sensor (under front of center console)
• Vsc off indic
• Vscw
• Vys
• Yaw
• Yaw rate sensor (near right side of luggage compartment)
• Yss

ANTI-THEFT

Anti-theft Wiring Diagram (1 of 2) for Lexus LS 400 1999

List of elements for Anti-theft Wiring Diagram (1 of 2) for Lexus LS 400 1999:

• (behind combination meter) i9
• (in driver's door) driver door ecu
• A10
• A13
• A14
• A15
• A17
• A20
• Acan
• Acc
• B13
• B14
• B15
• B16
• B17
• B19
• Bdr
• Becu
• Body ecu (behind left side of dash)
• Bzr
• Bzr2
• C10
• C12
• C17
• C18
• C20
• Center junction block (behind instrument cluster)
• Computer data lines system
• Cpub
• Cty
• Ctye
• D fr door fuse 20a
• D10
• D11
• D12
• D15
• D16
• D18
• Dome fuse 10a
• Driver side junction block (behind left kick panel)
• E13
• Engine room junction block (on left side of engine compt, forward of strut tower)
• Exterior lights system
• Fuse holder (behind left side of dash)
• G202 (behind combination meter)
• G202 (left side of dash)
• G206 (right side of instrument panel brace)
• G407 (right side of trunk rear panel)
• Grd
• Grd1
• Grd2
• Haz
• Hdcy
• Headlights system
• Horn
• Horns system
• Hot at all times
• Hot in accy or run
• Hot in run or start
• Hrly
• I6 (dash harn, left end of dash)
• Ind
• Instrument panel junction block (at rear of parking brake release lever)
• J10
• Junction connector j/c 9 (right kick panel)
• Keye
• Keyless buzzer (at left rear corner of engine compt)
• Keyless buzzer on/off switch
• Ksw
• Kul
• Left front door key lock & unlock switch
• Left front door lock control motor, door unlock detection switch & door open detection switch
• Left front door lock control switch (power window master switch)
• Lock
• Lsw
• Lswe
• Luggage compartment door key unlock switch
• Mpx+
• Mpx-
• Mpx-b fuse 10a
• Mpx1
• Mpx2
• Mul
• Open
• Pnk
• Pwe
• Pwr-ig fuse 15a
• Pws
• Radio 2 fuse 15a
• Rco
• Rda
• Red
• Sig
• Theft deterrent horn (at right rear corner of engine compt)
• Tkul
• To center junction block (diagram 2 of 2)
• Trly
• Unlk
• Wireless door lock control ecu (behind right side of dash)

Anti-theft Wiring Diagram (2 of 2) for Lexus LS 400 1999

List of elements for Anti-theft Wiring Diagram (2 of 2) for Lexus LS 400 1999:

• (left side of dash)
• (right side of instrument panel brace) g206
• A12
• A18
• B14
• B15
• B16
• B17
• B19
• Bdr
• C14
• C15
• Center junction block (behind instrument cluster)
• Computer data lines system
• Cpub
• Cty
• Ctye
• D rr door fuse 20a
• D11
• Dle
• Engine hood courtesy switch (engine compartment)
• From engine room junction block (diagram 1 of 2)
• From instrument panel junction block (diagram 1 of 2)
• Fuse holder (behind left side of dash)
• G101 (front of right front fender)
• G202
• G206 (right side of instrument panel brace)
• G300 (under driver's seat)
• G301 (under front passenger's seat)
• G905 (under right c-pillar)
• Grd
• Hot at all times
• Instrument panel junction block (at rear of parking brake release lever)
• Junction connector j/c 16 (behind center air vents)
• K10
• K12
• Keye
• Kul
• Left rear door ecu (in left rear door)
• Left rear door lock control motor, door unlock detection switch & door open detection switch
• Lock
• Lsw
• Lswe
• Mpx1
• Mpx2
• Mul
• Not used
• Open
• P fr door fuse 20a
• P rr door fuse 20a
• Passenger door ecu (in right front door)
• Pnk
• Rheostat & security indicator light
• Right front door key lock & unlock switch
• Right front door lock control motor, door unlock detection switch & door open detection switch
• Right front door lock control switch
• Right rear door ecu (in right rear door)
• Right rear door lock control motor, door unlock detection switch & door open detection switch
• Sig
• System engine controls
• Unlk
• Unlock warning switch (behind left side of dash)

BODY COMPUTER

Body Computer Wiring Diagrams (1 of 2) for Lexus LS 400 1999

List of elements for Body Computer Wiring Diagrams (1 of 2) for Lexus LS 400 1999:

• Acan
• Acc
• Acty
• Anti-theft system
• B14
• B17
• B19
• Body ecu (behind left side of dash)
• Bus
• Bzr
• Bzr2
• C10
• C17
• Computer data lines system
• Data link connector 3 (behind lower left side of dash)
• Dbkl
• Door locks system
• Driver side j/b
• Driver's door ecu
• Electronic suspension system
• Exterior lights system
• Front passenger door ecu
• G112 (left rear side of engine)
• G202 (left side of dash)
• Gnd2
• Gsw
• Haz
• Hdcy
• Hot in acc or run
• Hot in run or start
• I46 (dash harn, left side of dash)
• Ile
• Ind
• Instrument panel j/b
• Interior lights system
• J/c 3 (right kick panel)
• Ksw
• Left rear door ecu
• Moon roof control relay (front of moon roof opening)
• Mpx+
• Mpx1
• Mpx2
• Ob2
• Pbil
• Pnk
• Power seat ecu (under driver's seat)
• Power windows system
• Pwr-ig fuse 15a
• Pws
• Radio no. 2 fuse 15a
• Rco
• Rda
• Right rear door ecu
• S/m
• S/s
• Sig
• Sil
• Tilt & telescopic ecu (behind left side of dash)
• Trunk, tailgate, fuel doors system
• Tsw
• Vr1
• Vr2
• W/ memory
• W/ moon roof
• W/0 memory
• W/o moon roof
• Warning system
• Wig
• Wiper fuse 20a
• Wiper/washer system

Body Computer Wiring Diagrams (2 of 2) for Lexus LS 400 1999

List of elements for Body Computer Wiring Diagrams (2 of 2) for Lexus LS 400 1999:

• Anti-theft system
• Bdr
• Becu
• Body ecu (behind left side of dash)
• C11
• Cl tb
• Clte
• Clts
• D fr door fuse 20a
• Dbil
• Door locks system
• Driver side j/b
• Engine controls system
• Engine room j/b
• Exterior lights system
• Fuse holder (behind left side of dash)
• G202 (left side of dash)
• Gnd
• Head
• Headlights system
• Horn
• Horn system
• Hot at all times
• Hrly
• I9 (dash harn, behind combination meter)
• Interior lights system
• Lgcy
• Mpx-
• Mpx-b fuse 10a
• Mpx1
• Parking brake switch (behind left side of dash)
• Pbkl
• Pkb
• Red
• Stpi
• Tail
• Tkul
• Tr+
• Trly
• Trunk, tailgate, fuel doors system
• Warning system

COMPUTER DATA LINES

Computer Data Lines for Lexus LS 400 1999

List of elements for Computer Data Lines for Lexus LS 400 1999:

• (left end of dash) j/c 6
• (left rear side of engine)
• (left side of instrument panel brace)
• (right kick panel)
• A/c control assembly
• A12
• A13
• A14
• A15
• A16
• A39
• A40
• Abs & trac & vsc ecu (behind right side of dash)
• Abs indicator
• Air bag sensor assembly (behind front of center console)
• Air suspension ecu (behind right side of dash)
• Anti-lock brakes system (abs sol relay)
• B10
• B12
• B13
• Bat
• Body ecu (behind left side of dash)
• Bus
• Bus buffer
• C14
• C16
• Center j/b
• Combination meter
• D/g
• D12
• D12 mpx1
• D18
• Dash harn, upper right end of dash)
• Data link connector 1 (top left side of engine)
• Data link connector 2 (behind lower left side of dash)
• Data link connector 3 (behind lower left side of dash)
• Driver's door ecu
• Driver's side j/b
• E11
• E15
• E16
• E18
• Engine control module (behind right side of dash)
• Engine controls system (efi relay)
• Engine room j/b
• F10
• Front passenger door ecu
• G112
• G202 (behind combination meter)
• G206
• Height indicator
• Hot at all times
• I42
• Instrument panel j/b
• J/c 10 (lower right end of dash)
• J/c 3
• Left rear door ecu
• Moon roof control relay (behind right side of dash)
• Mpx+
• Mpx-
• Mpx1
• Mpx2
• Multi display
• Obd fuse 7.5a
• Pnk
• Power seat ecu (under driver's seat)
• Right rear door ecu
• Short pin
• Sil
• Srs indicator
• Tem
• Tilt & telescopic ecu (behind left side of dash)
• W/ memory
• W/ moon roof
• W/ navigation
• W/0 memory
• W/o moon roof
• W/o navigation

COOLING FAN

Cooling Fan Wiring Diagram for Lexus LS 400 1999

List of elements for Cooling Fan Wiring Diagram for Lexus LS 400 1999:

• 1994 vftc c
• 1998-99
• A/c single pressure switch (at upper left radiator support)
• Alt fusible link 120a
• Battery
• E5 (dash harn, left radiator support)
• E8 (engine harness, behind left headlight)
• Engine coolant temperature switch (near right side of radiator support)
• Engine main relay
• Engine room j/b (on left side of engine compartment forward of strut tower)
• Fusible link block (on left side of engine compartment, forward of strut tower)
• G100 (front of left front fender)
• G101 (front of right front fender)
• Heater fuse 10a
• Hot in run or start
• Instrument panel j/b (at rear of parking brake release lever)
• J11
• Nca
• R/b 6 (under left headlight)
• Radiator fan motor & resistor (at right front of engine compt)
• Rdi fan 1 relay
• Rdi fan 2 relay
• Rdi fan fuse 30a

CRUISE CONTROL

Cruise Control Wiring Diagram for Lexus LS 400 1999

List of elements for Cruise Control Wiring Diagram for Lexus LS 400 1999:

• (dash harn, right kick panel)
• (engine harn, left side of engine)
• (right rear of engine)
• (top left side of engine) data link connector 1
• +b1
• +bm
• A a a
• A/t indi- cator switch
• Accel position sensor (top front of engine)
• B12
• B18
• Batt
• Braided
• Cancel
• Ccs
• Center junction block
• Cl+
• Cl-
• Combination meter
• Compartment)
• Computer data lines system
• Conn e11
• Conn e12
• Conn e13
• Conn e14
• Conn e15
• Conn e16
• Cruise
• Cruise control switch
• Cruise ind
• D10
• Driver side junction block
• E01
• E02
• E03
• E11
• E16
• E20
• E2g
• Efi 1 fuse 20a
• Efi 2 fuse 10a
• Efi relay
• Engine control module (right side of dash)
• Engine coolant temperature sensor (top right front of engine)
• Engine room junction block
• Etcs fuse 15a
• Evg
• G100 (front of left front fender)
• G112 (left rear side of engine)
• G112 (rear side of left cyl head)
• G117
• G117 (rear side of right cyl head)
• G202 (left side of dash)
• Gauge fuse 10a
• Ge01
• Hot at all times
• Hot in on or start
• I1 (dash harn, right kick panel)
• I13
• I38
• Ign fuse 10a
• Igsw
• Instrument panel junction block
• J/c 10 j/c 10 j/c 10 (right side (right side (right side of dash) of dash) of dash)
• J/c 6 (left side of dash)
• L12
• Mass airflow meter (in air intake duct)
• Me01
• Mpx1
• Mpx2
• Mrel
• Pnk
• Ptnk
• Red
• Res/ acc
• Set/ coast
• Solid state
• Sp 2-
• Sp2+
• St1-
• Stop lp fuse 25a
• Stop- light switch
• Stop-s fuse 7.5a
• Stp
• Tha
• Throttle control motor & clutch (left front of eng)
• Throttle position sensor (on throttle body)
• Thw
• Vapor pressure sensor (right side of luggage
• Vcc
• Vehicle speed sensor (on transmission)
• Vpa
• Vpa2
• Vta
• Vta2

DEFOGGERS

Defogger Wiring Diagram for Lexus LS 400 1999

List of elements for Defogger Wiring Diagram for Lexus LS 400 1999:

• (at left front corner of engine compt) noise filter (rear window defogger)
• (center of instrument panel) g206
• (left side of dash) g202
• (right side of instrument panel) g201
• A/c control assembly
• A18
• A19
• A21
• Def fuse 50a
• Defog relay
• Driver side junction block (behind left kick panel)
• Engine room junction block (on left side of engine compt, forward of strut tower)
• Fusible link block (on left side of engine compt, forward of strut tower)
• Gnd
• Heater fuse 10a
• Hot at all times
• Hot in on or start
• Instrument panel junction block (at rear of parking brake release lever)
• J/c 16 (behind upper right of dash)
• J/c 6 (behind upper left side of dash)
• J/c 9 (right kick panel)
• J11
• Left remote control mirror
• Mir htr fuse 15a
• Mirror heater
• Rdfgr
• Rear window defogger
• Right remote control mirror

ELECTRONIC POWER STEERING

Electronic Power Steering Wiring Diagram for Lexus LS 400 1999

List of elements for Electronic Power Steering Wiring Diagram for Lexus LS 400 1999:

• A17
• B12
• Center j/b (behind instrument cluster)
• Combination meter
• Driver side j/b (behind left kick panel)
• Ecu-ig fuse 10a
• G202 (left side of dash)
• Gauge fuse 10a
• Gnd
• Hot in on or start
• Instrument panel j/b (at rear of parking brake release lever)
• J/c 5 (upper left end of dash)
• Pps ecu (behind left side of dash)
• Pps solenoid (at left front corner of engine)
• Sol+
• Sol-
• Spd

ELECTRONIC SUSPENSION

Electronic Suspension Wiring Diagram (1 of 2) for Lexus LS 400 1999

List of elements for Electronic Suspension Wiring Diagram (1 of 2) for Lexus LS 400 1999:

• (combination switch) steering sensor
• A12
• A13
• Air sus fuse 20a
• Air suspension ecu (behind right side of dash)
• B16
• B18
• B29
• Body computer system
• C13
• C16
• C18
• C20
• Center junction block (behind instrument cluster)
• D12
• D14
• D18
• Data link connector 1 (on top left side of engine)
• Dome fuse 10a
• Door
• Driver side junction block (behind left kick panel)
• E16
• Ecu-ig fuse 10a
• Electronically controlled transmission pattern select switch & height control switch
• Engine controls system
• Engine room junction block (on left side of engine compt, forward of strut tower)
• Fal+
• Fal-
• Fbl+
• Fbl-
• G202 (left side of dash)
• G203 (right kick panel)
• G407 (right side of trunk rear panel)
• Gauge fuse 10a
• Hot at all times
• Hot in run or start
• Hsw
• Instrument panel junction block (at rear of parking brake release lever)
• J10
• Junction connector j/c 18 (upper right end of dash)
• Junction connector j/c 5 (upper left end of dash)
• Junction connector j/c 6 (left end of dash)
• L12
• Left front height control sensor & acceleration sensor (at left front side of engine compt)
• Left front suspension control actuator (at left front strut tower)
• Left rear height control sensor (under left rear of vehicle)
• Left rear suspension control actuator (at left rear strut tower)
• Pnk
• Ral+
• Ral-
• Rbl+
• Rbl-
• Red
• Reg
• Right rear acceleration sensor (center of luggage compt)
• Right rear height control sensor (under right rear of vehicle)
• Sbl
• Sgfl
• Sgl
• Shfl
• Shfr
• Shrl
• Shrr
• Spd
• Ss1
• Ss2
• Starting/charging system
• Stop fuse 25a
• Stop-s fuse 7.5a
• Stoplight switch (brake pedal bracket)
• Stp

Electronic Suspension Wiring Diagram (2 of 2) for Lexus LS 400 1999

List of elements for Electronic Suspension Wiring Diagram (2 of 2) for Lexus LS 400 1999:

• (dash harn, right kick panel)
• (front of right frt fender) g101
• (right side of instru- ment panel brace) g206
• (under right c-pillar) g905
• A10
• A14
• Air sus relay
• Air suspension ecu (behind right side of dash)
• Anti-lock brakes system
• B12
• B16
• Bat
• C10
• Center junction block (behind instrument cluster)
• Combination meter
• Driver side junction block (behind left kick panel)
• Engine room relay block (on left side of engine compt, forward of strut tower)
• Far+
• Far-
• Fbr+
• Fbr-
• Front height control valve (at right frt corner of engine compt)
• G100 (front of left front fender)
• G101 (front of right front fender)
• G202 (left side of dash)
• G203 (right kick panel)
• Grd
• H/ctrl fuse 40a
• Hard (ex02)
• Height control compressor (at right front side of engine compt)
• Height control exhaust valve (at right front strut tower)
• Height indic
• Hot at all times
• I11
• I12 (dash harn, right kick panel)
• Junction connector j/c 18 (upper right end of dash)
• Junction connector j/c 5 (upper left end of dash)
• Junction connector j/c 8 (right kick panel)
• Junction connector j/c 9 (right kick panel)
• Pnk
• Rar+
• Rar-
• Rbr+
• Rbr-
• Rear height control valve (under right rear of vehicle)
• Red
• Relay block 6 (under left headlight)
• Right front height control sensor & acceleration sensor (at right front side of engine compt)
• Right front suspension control actuator (at right front strut tower)
• Right rear suspension control actuator (at right rear strut tower)
• Rm+
• Rm-
• Sbr
• Sgfr
• Sgr
• Sgrr
• Slex
• Slfl
• Slfr
• Slrl
• Slrr

ENGINE PERFORMANCE

4.0L

4.0L, Engine Performance Wiring Diagrams (1 of 4) for Lexus LS 400 1999

List of elements for 4.0L, Engine Performance Wiring Diagrams (1 of 4) for Lexus LS 400 1999:

• (dash harn, lower right end of dash)
• (eng harn, left side of eng)
• (eng harn, left side of engine)
• (eng harn, rear of engine)
• (engine harn, left side of engine)
• (engine harn, rear of engine)
• (rear side of left cyl head)
• (rear side of right cyl head)
• (rear side of right cyl head) g117
• A braided
• Acis
• Braided
• Camshaft position sensor (left front of engine)
• Cl-
• Conn e13
• Conn e14
• Crankshaft position sensor (left front of engine)
• E01
• E02
• E03
• E10
• E10 (engine harness, rear of engine)
• E11
• E12
• E13
• E14
• E15
• E16
• E2g
• Engine control module (right side of dash)
• Evg
• G112
• G112 (rear side of left cyl head)
• G117
• Ge01
• Htl
• Htr
• Igf1
• Igf2
• Ignition coil & igniter 1
• Ignition coil & igniter 2
• Ignition coil & igniter 3
• Ignition coil & igniter 4
• Ignition coil & igniter 5
• Ignition coil & igniter 6
• Ignition coil & igniter 7
• Ignition coil & igniter 8
• Igt1
• Igt2
• Igt3
• Igt4
• Igt5
• Igt6
• Igt7
• Igt8
• Injector 1
• Injector 2
• Injector 3
• Injector 4
• Injector 5
• Injector 6
• Injector 7
• Injector 8
• J/c 10 (right side of dash)
• Knkl
• Knkr
• Knock sensor 1 (left center of engine)
• Knock sensor 2 (left center of engine)
• Left camshaft timing oil control valve (top left front of eng)
• Left vvt sensor (left side of engine)
• Mass airflow meter (in air intake duct)
• Me01
• Ne+
• Ne-
• Noise filter (top left rear of engine)
• Ocv+
• Ocv-
• Oxl1
• Oxr1
• Pnk
• Prg
• Red
• Right vvt sensor (right side of engine)
• Tha
• Throttle control motor & clutch (left front of eng)
• Thw
• Vpa
• Vpa2
• Vsv (acis) (top right side of engine)
• Vsv (evap) (top left rear of engine)
• Vta
• Vta2
• Vvl+
• Vvl-
• Vvr+
• Vvr-

4.0L, Engine Performance Wiring Diagrams (2 of 4) for Lexus LS 400 1999

List of elements for 4.0L, Engine Performance Wiring Diagrams (2 of 4) for Lexus LS 400 1999:

• (dash harn, right kick panel)
• (engine harn, e16
• A19
• Acc
• Accel position sensor (top front of engine)
• Am2
• Braided
• C12
• Cir opn relay
• Driver side junction block
• E14
• E14 (engine harn, rear of engine)
• E16
• Efi 1 fuse 20a
• Efi 2 fuse 10a
• Efi relay
• Engine coolant temperature sensor (top right front of engine)
• Engine room junction block
• Fuel pump (in fuel tank)
• Fuel pump relay
• Fuel pump resistor (left front corner of engine compt)
• G100 (front of left front fender)
• G112 (rear side of left cyl head)
• G407 (right side of back panel)
• Heated oxygen sensor (bank 1 sensor 1) (on left side of engine, in exhaust manifold)
• Heated oxygen sensor (bank 2 sensor 1) (on right side of engine, in exhaust manifold)
• Hot at all times
• Ht1
• Ig2
• Ign fuse 10a
• Ignition switch
• Instrument panel junction block
• J/c 10 (right side of dash)
• L10
• L11
• Left side of engine)
• Lock
• Oxl1
• Oxr1
• P/n
• Park/neutral position switch (on transmission)
• Pnk
• Red
• St2
• Start
• Starter fuse 7.5a
• Starting/ charging system
• Throttle position sensor (on throttle body)

4.0L, Engine Performance Wiring Diagrams (3 of 4) for Lexus LS 400 1999

List of elements for 4.0L, Engine Performance Wiring Diagrams (3 of 4) for Lexus LS 400 1999:

• (behind center of dash) a/c control assembly
• (behind left side of dash)
• (dash harn, upper right side of dash)
• (engine harn, left side of engine)
• (left side of dash)
• (rear side of left cyl head)
• (right instrument panel brace)
• (under center console) transmission control switch
• (w/o navigation)
• A/t indicator light switch (integral to park/neutral position switch) (on transmission)
• A20
• B11
• B18
• B22
• Body ecu (behind left side of dash)
• C20
• Center junction block
• Combination meter
• Cpu
• D10
• D17
• Driver side junction block
• E16
• Ect pwr
• Ect snow
• Electronically controlled transmission pattern select switch
• Engine oil level warning switch oil level (right front side of eng)
• G112
• G202
• G206
• Gauge fuse 10a
• Heated oxygen sensor (bank 1 sensor 2) (on exhaust system, near catalytic converter)
• Heated oxygen sensor (bank 2 sensor 2) (on exhaust system, near catalytic converter)
• Hot at all times engine room junction block
• Hot in on or start
• Htl2
• Htr2
• I43
• I44
• Instrument panel junction block
• J/c 10 (right side of dash)
• J/c 3 (right kick panel)
• Mpx+
• Mpx-
• Mpx1
• Mpx2
• Mt4
• Mtl
• Multi- display (w/navigation)
• Nssd
• Nssl
• Obd fuse 7.5a
• Oil temp
• Oxl2
• Oxr2
• Ptnk
• Pwr
• Red
• Snow
• Stop-s fuse 7.5a
• Vapor pressure sensor (left front corner of engine compt)
• Vcc

4.0L, Engine Performance Wiring Diagrams (4 of 4) for Lexus LS 400 1999

List of elements for 4.0L, Engine Performance Wiring Diagrams (4 of 4) for Lexus LS 400 1999:

• (dash harn, left side of dash)
• (dash harn, right kick panel)
• (lower left side of dash) data link connector 3
• (on transmission) o/d direct clutch speed sensor
• (rear side of left cyl head)
• (right instrument panel brace)
• (top left side of engine) data link connector 1
• +b1
• +bm
• A39
• A40
• Abs & trac & vsc ecu (right side of dash)
• Acmg
• Air conditioning system
• B12
• Bat
• Batt
• Ccs
• Center junction block
• Cl+
• Code
• Conn e11
• Conn e12
• Conn e15
• Conn e16
• Cruise control system
• E18
• Electronic suspension system
• Electronically controlled transmission solenoid (in transmission)
• Eng+
• Eng-
• Engine control module (behind right side of dash)
• Engine room junction block
• Eom
• Etcs fuse 15a
• Fpr
• G112
• G112 (rear side of left cyl head)
• G202 (behind left side of dash)
• G206
• Generator
• Grd
• Hot at all times
• Htr2
• I13
• I38
• Igsw
• Imld
• Instrument panel junction block
• J/c 10 (right side of dash)
• J/c 18 (right side of dash)
• J/c 4 (left side of dash)
• J/c 5 (left side of dash)
• Ksw
• Lcki
• Mol
• Mpx1
• Mpx2
• Mrel
• Nco+
• Nco-
• Neo
• Ocr+
• Ocr-
• Oil
• Ox1b
• Oxl2
• Oxr2
• Pnk
• Pre
• Ptnk
• Pwr
• Red
• Right camshaft timing oil control valve (top right front of eng)
• Rspd
• Rxck
• Security indicator
• Shift lock ecu
• Sil
• Sln+
• Sln-
• Slt+
• Slt-
• Slu+
• Slu-
• Snwi
• Sp2+
• Sp2-
• Sta
• Sti-
• Stp
• Tach
• Tachometer
• Tam
• Tpc
• Transponder key amplifier (left center of dash)
• Trc+
• Trc-
• Txct
• Unlock warning switch (behind left side of dash)
• Vehicle speed sensor (on transmission)
• Vsv (vapor pressure sensor) (left front corner of engine compt)

EXTERIOR LIGHTS

Back-up Lamps Wiring Diagram for Lexus LS 400 1999

List of elements for Back-up Lamps Wiring Diagram for Lexus LS 400 1999:

• B17 (left trunk lid hinge)
• B30
• Back- up
• G407 (right side of trunk rear panel)
• Gauge fuse 10a
• Hot in run or start
• Instrument panel junction block (at rear of parking brake release lever)
• Junction connector j/c 4 (upper left side of dash)
• Left rear combination light (inner)
• Park/neutral position switch (on transmission)
• Right rear combination light (inner)

Exterior Lamps Wiring Diagram (1 of 2) for Lexus LS 400 1999

List of elements for Exterior Lamps Wiring Diagram (1 of 2) for Lexus LS 400 1999:

• (behind combination meter) i9
• (in driver's door) driver door ecu
• (left side of dash)
• A14
• A20
• Acc
• Auto
• Automatic light control sensor (behind upper left side of dash)
• B14
• B15
• B16
• B17
• B19
• B30
• Bdr
• Becu
• Body ecu (behind left side of dash)
• C11
• C12
• C17
• C18
• C20
• Center junction block (behind instrument cluster)
• Cltb
• Clte
• Clts
• Computer data lines system
• Cpub
• Cty
• Ctye
• D fr door fuse 20a
• D10
• D11
• D12
• D13
• D14
• D15
• D16
• Dome fuse 10a
• Driver side junction block (behind left kick panel)
• E13
• E9 (engine harn, left radiator support)
• Engine room junction block (on left side of engine compt, forward of strut tower)
• Fuse holder (behind left side of dash)
• G100 (front of left front fender)
• G101 (front of right front fender)
• G202
• G202 (behind combination meter)
• G202 (left side of dash)
• G407 (right side of trunk rear panel)
• Gnd2
• Grd
• Grd1
• Haz
• Head
• Headlight switch
• Headlights system
• Hot at all times
• Hot in accy or run
• Hot in run or start
• Hrly
• Instrument panel junction block (at rear of parking brake release lever)
• J10
• Junction connector j/c 5 (behind left side of dash)
• Left front door open detection switch
• Left front side marker light
• Left license plate light
• Left parking light
• Mpx+
• Mpx-
• Mpx-b fuse 10a
• Mpx1
• Mpx2
• Off
• Pwr-ig fuse 15a
• Radio 2 fuse 15a
• Rco
• Rda
• Red
• Right front side marker light
• Right license plate light
• Right parking light
• Sig
• Tail
• Trly
• Wireless door lock control ecu (behind right side of dash)

Exterior Lamps Wiring Diagram (2 of 2) for Lexus LS 400 1999

List of elements for Exterior Lamps Wiring Diagram (2 of 2) for Lexus LS 400 1999:

• (behind combination meter)
• (behind left kick panel) driver side junction block
• (body harn, center rear of trunk)
• (body harn, left rear wheel arch)
• (body harn, left trunk lid hinge) b18
• (body harn, left trunk lid hinge) b20
• (left side of dash) junction connector j/c 7
• A16
• Alt fuse 120a
• B16
• B19 (body harn, left trunk lid hinge)
• B21
• B22 (body harn, center rear of trunk)
• B24
• B29
• B30
• B4 (body harn, center front of trunk)
• Combination meter
• Engine room junction block (on left side of engine compt, forward of strut tower)
• Fusible link block (on left side of engine compt, forward of strut tower)
• G100 (front of left front fender)
• G101 (front of right front fender)
• G206 (right side of instru- ment panel brace)
• G407 (right side of trunk rear panel)
• G905 (under right c-pillar)
• Gauge fuse 10a
• Grd
• Haz fuse 10a
• Hazard switch
• Hi mount st
• High mounted stop light
• Hot at all times
• Hot in run or start
• I13
• I14
• Instrument panel junction block (at rear of parking brake release lever)
• Interior lights
• Junction connector j/c 5 (behind left side of dash)
• Junction connector j/c 6 (left side of dash)
• L12
• Left
• Left & right rear combination lights (inner)
• Left front turn signal light
• Left rear combination light (outer)
• Left turn indic
• Light failure sensor (at left side of luggage compartment)
• Markr
• Pwr
• Right
• Right front turn signal light
• Right rear combination light (outer)
• Right turn indic
• Rr lights warning
• Signal
• Stop
• Stop lp fuse 25a
• Stop lts
• Stop sw
• Stop- light switch (brake pedal bracket)
• Stp
• Tail
• Tail fuse 7.5a
• Taillight control relay
• Taillt pwr
• Turn
• Turn fuse 7.5a
• Turn signal flasher (behind left side of dash)
• Turn signal light switch

GROUND DISTRIBUTION

Ground Distribution Wiring Diagram (1 of 4) for Lexus LS 400 1999

List of elements for Ground Distribution Wiring Diagram (1 of 4) for Lexus LS 400 1999:

• (canada)
• (engine harn, right radiator support) e7
• (engine harness, behind left headlight) e8
• (engine harness, right radiator support) e7
• (w/ hid)
• (w/o hid)
• A/c dual pressure switch
• A/c single pressure switch
• A34
• Abs & trac & vsc actuator
• Abs sol relay
• Air sus relay
• Daytime running light relay 3
• Daytime running light relay 4
• Efi relay
• Engine coolant temperature switch
• Engine hood courtesy switch
• Engine main relay
• Engine room junction block (on left side of engine compt, forward of strut tower)
• Engine room relay block (on left side of engine compt, forward of strut tower)
• Exhaust gas sensor
• Front height control valve
• G100 (front of left front fender)
• G101 (front of right front fender)
• Headlight cleaner motor
• Headlight cleaner relay
• Heater relay
• Height control compressor
• Height control exhaust valve
• I8 (dash harness, left side of dash)
• Left fog- light
• Left front side marker light
• Left front turn signal light
• Left high & low beam headlight
• Left high & low beam headlight control ecu
• Left high beam headlight
• Left high beam headlight control ecu
• Left parking light
• Radiator fan motor & resistor
• Relay block 6 (under left head- light)
• Right fog- light
• Right front side marker light
• Right front turn signal light
• Right high & low beam headlight
• Right high & low beam headlight control ecu
• Right high beam headlight
• Right high beam headlight control ecu
• Right parking light
• Starter relay

Ground Distribution Wiring Diagram (2 of 4) for Lexus LS 400 1999

List of elements for Ground Distribution Wiring Diagram (2 of 4) for Lexus LS 400 1999:

• A/c control assembly
• A/c magnetic clutch
• A15
• A21
• Airbag sensor assembly
• B14
• B33 (body harn, under right front seat)
• Cruise control switch
• D22
• Data link connector 1
• Data link connector 3
• E13
• E14
• E15 (engine harn, rear of engine)
• Engine control module
• Front cigarette lighter
• Front passenger's seat control switch
• Front passenger's seat heater
• G112 (left rear side of engine)
• G117 (right rear side of engine)
• G206 (left side of instrument panel brace)
• G206 (right side of instrument panel brace)
• G301 (under front passenger's seat)
• Glove box light switch 1
• Glove box light switch 2
• Hazard switch
• Heated oxygen sensor (bank 1, sensor 1)
• Heated oxygen sensor (bank 1, sensor 2)
• Heated oxygen sensor (bank 2, sensor 1)
• Heated oxygen sensor (bank 2, sensor 2)
• I1 (dash harn, right kick panel)
• I24 (dash harn, upper left side of dash)
• I36 (dash harn, right of center air vents)
• Ignition main relay
• Igntion coil & ignitor 1
• Igntion coil & ignitor 2
• Igntion coil & ignitor 3
• Igntion coil & ignitor 4
• Igntion coil & ignitor 5
• Igntion coil & ignitor 6
• Igntion coil & ignitor 7
• Igntion coil & ignitor 8
• Instrument panel junction block (at rear of parking brake release lever)
• Junction connector j/c 10 (lower right end of dash)
• Junction connector j/c 16 (behind center air vents)
• Junction connector j/c 3 (right kick panel)
• Luggage compartment door opener switch
• Multi- display
• Nakamichi
• Nca
• Pioneer
• R42
• Radio & player
• Rheostat & security indicator light
• Right buckle switch & buckle light
• Right rear door ecu
• Seat heater switch
• Stereo component amplifier
• To g905 (diagram 4 of 4)
• Vsc off switch
• W/ navigation system

Ground Distribution Wiring Diagram (3 of 4) for Lexus LS 400 1999

List of elements for Ground Distribution Wiring Diagram (3 of 4) for Lexus LS 400 1999:

• (canada)
• (left side of dash)
• (left side of dash) junction connector j/c 6
• (w/ hid)
• A16
• A38
• Abs & trac & vsc ecu
• B1 (body harn, inside right front door)
• B31 (body harn, right "a" pillar)
• Body ecu
• Brake fluid level warning switch
• Combination meter
• D12
• Data link connector 2
• Dimmer switch
• Driver's door ecu
• Engine oil level warning switch
• F27
• From junction connector j/c 6 (diagram 3 of 4)
• Front personal light & garage door opener
• G202
• G202 (behind combination meter)
• G206 (right side of instrument panel brace)
• Headlight beam level control ecu
• I39 (dash harn, behind combination meter)
• Inner mirror
• Junction connector j/c 5 (behind left side of dash)
• Junction connector j/c 6 (left side of dash)
• Junction connector j/c 9 (right kick panel)
• Left front suspension control actuator
• Left remote control mirror
• Left vanity light
• Light control switch
• Main daytime running light relay
• Moon roof control relay
• Moon roof control switch
• Passenger's door ecu
• Power shoulder belt anchor relay
• Pps ecu
• Right front suspension control actuator
• Right remote control mirror
• Right shoulder belt adjust switch
• Right vanity light
• Steering sensor
• Theft deterrent horn
• Tilt & telescopic ecu
• To g203 (diagram 4 of 4)
• To junction connector j/c 6 (diagram 3 of 4)
• Turn signal flasher
• Turn signal switch
• Unlock warning switch & key interlock solenoid
• W/ memory
• W/o memory
• Washer level switch
• Wiper & washer switch
• Wiper motor
• Wireless door lock control ecu

Ground Distribution Wiring Diagram (4 of 4) for Lexus LS 400 1999

List of elements for Ground Distribution Wiring Diagram (4 of 4) for Lexus LS 400 1999:

• (left rear seat harness)
• (w/ air ride)
• (w/ hid)
• (w/ memory)
• (w/o air ride)
• A14
• A39
• Abs & trac & vsc ecu
• Air suspension ecu
• B16 (body harness, right rear door sill)
• B29 (body harn, base of left "c" pillar)
• B3 (body harn, inside right rear door)
• B30 (body harn, left side of trunk lid)
• B36 (body harness, left side of left front seat back)
• B38
• Blower controller
• C20
• Cellular phone
• Driver's power seat control switch
• Driver's power seat front vertical motor
• Driver's power seat rear vertical motor
• Driver's power seat recline motor
• Driver's power seat slide motor
• Driver's seat heater
• E16
• Electronically controlled transmission pattern select switch
• Electronically controlled transmission pattern select switch & height control switch
• Engine control module
• From g206 (diagram 3 of 4)
• From g301 (diagram 2 of 4)
• Fuel lid opener solenoid
• Fuel pump
• G203 (right kick panel)
• G300 (under driver's seat)
• G407 (right side of trunk rear panel)
• G905 (under right "c" pillar)
• Head rest position sensor
• Headlight beam level control ecu
• High mounted stop- light
• Junction connector j/c 18 (upper right side of dash)
• Left buckle switch & buckle light
• Left license plate light
• Left rear cigarette lighter
• Left rear combination light
• Left rear door ecu
• Left rear interior light noise filter
• Left rear passenger's seat head rest turning control motor
• Left rear personal light
• Left rear suspension control actuator
• Light failure sensor
• Luggage compartment door key unlock switch
• Navigation ecu
• P10
• P29
• Power outlet
• Power seat ecu
• Rear audio control panel
• Rear height control valve
• Rear passenger's seat control switch
• Right license plate light
• Right rear abs speed sensor & pad wear indicator
• Right rear cigarette lighter
• Right rear combination light
• Right rear door ecu
• Right rear passenger's seat head rest turning control motor
• Right rear personal light
• Right rear suspension control actuator
• Shift lock ecu
• T17
• Telephone transceiver & speaker relay
• Transponder key amplifier

HEADLIGHTS

Headlamps Wiring Diagram, with DRL (1 of 2) for Lexus LS 400 1999

List of elements for Headlamps Wiring Diagram, with DRL (1 of 2) for Lexus LS 400 1999:

• (behind combination meter) i9
• (in driver's door) driver door ecu
• (left side of dash)
• A14
• A20
• Acc
• Auto
• Automatic light control sensor (behind upper left side of dash)
• B14
• B15
• B16
• B17
• B19
• B22
• Bdr
• Becu
• Body ecu (behind left side of dash)
• C11
• C12
• C17
• C18
• C20
• C22
• Center junction block (behind instrument cluster)
• Cltb
• Clte
• Clts
• Computer data lines system
• Cpub
• Cty
• Ctye
• D fr door fuse 20a
• D10
• D11
• D12
• D13
• D14
• D15
• D16
• Dimmer switch
• Diode (drl) (behind left kick panel)
• Dome fuse 10a
• Driver side junction block (behind left kick panel)
• E10
• E13
• Engine room junction block (on left side of engine compt, forward of strut tower)
• Exterior lights system
• Flash
• Fog lights
• Foglight switch
• Fuse holder (behind left side of dash)
• G202
• G202 (behind combination meter)
• G202 (left side of dash)
• Grd
• Grd1
• Grd2
• Head
• Headlight switch
• Headlights system (headlight beam level control)
• High
• Hot at all times
• Hot in accy or run
• Hot in run or start
• Hrly
• Instrument panel junction block (at rear of parking brake release lever)
• J10
• Junction connector j/c 5 (upper left end of dash)
• Left front door open detection switch
• Low
• Mpx+
• Mpx-
• Mpx-b fuse 10a
• Mpx1
• Mpx2
• Off
• Pwr-ig fuse 15a
• Radio 2 fuse 15a
• Rco
• Rda
• Red
• Sig
• Tail
• Trly
• Wiper/ washer system (headlight cleaner switch)
• Wireless door lock control ecu (behind right side of dash)

Headlamps Wiring Diagram, with DRL (2 of 2) for Lexus LS 400 1999

List of elements for Headlamps Wiring Diagram, with DRL (2 of 2) for Lexus LS 400 1999:

• (engine harn, left radiator support) e3
• (front of right front fender)
• (on left side of engine compt, forward of strut tower) engine room relay block
• C11
• Center junction block (behind instrument cluster)
• Combination meter
• Daytime running light relay 3 & 4 (at right front corner of engine compt)
• Driver side junction block (behind left kick panel)
• Drl 2 relay
• Drl fuse 10a
• E1 (engine harn, right radiator support)
• E19
• E2 (engine harness, right radiator support)
• E21
• Ecu-b fuse 7.5a
• Ecu-ig fuse 10a
• Engine room junction block (on left side of engine compt, forward of strut tower)
• Fog light relay
• Fr fog fuse 15a
• Fusible link block (on left side of engine compt, forward of strut tower)
• G100 (front of left front fender)
• G101
• G202 (left side of dash)
• G206 (right side of instrument panel brace)
• H-lp l lwr fuse 15a
• H-lp l upr fuse 10a
• H-lp r lwr fuse 15a
• H-lp r upr fuse 10a
• Head lp relay
• Hi beam indic
• Hot at all times
• Hot in run or start
• I10 (dash harn, left side of dash)
• Instrument panel junction block (at rear of parking brake release lever)
• J15
• Junction connector j/c 6 (left end of dash)
• Junction connector j/c 9 (right kick panel)
• K10
• Left fog light
• Left high beam headlight control ecu (w/ hid) left high beam headlight (w/o hid)
• Left low & hi beam headlight control ecu (w/ hid) left low & hi beam headlight (w/o hid)
• Main daytime running light relay (behind right end of dash)
• Main fuse 80a
• Parking brake switch (behind left side of dash)
• Pnk
• Red
• Right fog light
• Right high beam headlight control ecu (w/ hid) right high beam headlight (w/o hid)
• Right low & hi beam headlight control ecu (w/ hid) right low & hi beam headlight (w/o hid)
• Starting/ charging system

Headlamps Wiring Diagram, without DRL (1 of 2) for Lexus LS 400 1999

List of elements for Headlamps Wiring Diagram, without DRL (1 of 2) for Lexus LS 400 1999:

• (behind combination meter) i9
• (in driver's door) driver door ecu
• (left side of dash)
• A14
• A20
• Acc
• Auto
• Automatic light control sensor (behind upper left side of dash)
• B14
• B15
• B16
• B17
• B19
• Bdr
• Becu
• Body ecu (behind left side of dash)
• C11
• C12
• C17
• C18
• C20
• C22
• Center junction block (behind instrument cluster)
• Cltb
• Clte
• Clts
• Computer data lines system
• Cpub
• Cty
• Ctye
• D fr door fuse 20a
• D10
• D11
• D12
• D13
• D14
• D15
• D16
• Dimmer switch
• Dome fuse 10a
• Driver side junction block (behind left kick panel)
• E10
• E13
• Engine room junction block (on left side of engine compt, forward of strut tower)
• Exterior lights system
• Flash
• Fog- lights
• Foglight switch
• Fuse holder (behind left side of dash)
• G202
• G202 (behind combination meter)
• G202 (left side of dash)
• Grd
• Grd1
• Grd2
• Head
• Headlight switch
• Headlights system (headlight beam level control) (w/ hid only)
• High
• Hot at all times
• Hot in accy or run
• Hot in run or start
• Hrly
• Instrument panel junction block (at rear of parking brake release lever)
• J10
• Junction connector j/c 5 (upper left end of dash)
• Left front door open detection switch
• Low
• Mpx+
• Mpx-
• Mpx-b fuse 10a
• Mpx1
• Mpx2
• Off
• Pwr-ig fuse 15a
• Radio 2 fuse 15a
• Rco
• Rda
• Red
• Short connector s24/s25 (upper left end of dash)
• Sig
• Tail
• Trly
• Wireless door lock control ecu (behind right side of dash)

Headlamps Wiring Diagram, without DRL (2 of 2) for Lexus LS 400 1999

List of elements for Headlamps Wiring Diagram, without DRL (2 of 2) for Lexus LS 400 1999:

• (front of right front fender)
• (on left side of engine compt, forward of strut tower) engine room relay block
• A16
• B17
• C17
• Center junction block (behind instrument cluster)
• Combination meter
• Dimmer relay
• Engine room junction block (on left side of engine compt, forward of strut tower)
• Fog light relay
• Fr fog fuse 15a
• Fusible link block (on left side of engine compt, forward of strut tower)
• G100 (front of left front fender)
• G101
• G101 (front of right front fender)
• G202 (left side of dash)
• H-lp l lwr fuse 15a
• H-lp l upr fuse 10a
• H-lp r lwr fuse 15a
• H-lp r upr fuse 10a
• Head ind
• Head lp relay
• Hi beam indic
• Hot at all times
• I39
• Instrument panel junction block (at rear of parking brake release lever)
• J15
• Junction connector j/c 6 (left end of dash)
• Left foglight
• Left high & low beam headlight
• Left high beam head- light
• Left high beam headlight control ecu
• Left low & hi beam headlight control ecu
• Main fuse 80a
• Mpx-b fuse 10a
• Red
• Right foglight
• Right high & low beam headlight
• Right high beam head- light
• Right high beam headlight control ecu
• Right low & hi beam headlight control ecu
• Short pin
• W/ hid
• W/o hid

Headlamps Leveling Wiring Diagram for Lexus LS 400 1999

List of elements for Headlamps Leveling Wiring Diagram for Lexus LS 400 1999:

• (left side of dash)
• (right kick panel)
• (right kick panel) i12
• Anti-lock brakes system
• Auto
• Body ecu (behind left side of dash)
• C19
• C22
• Chg-
• Driver side junction block (behind left kick panel)
• E10
• Engine room junction block (on left side of engine compt, forward of strut tower)
• Fusible link block (on left side of engine compt, forward of strut tower)
• G202
• G203 (right kick panel)
• Hdlp
• Head
• Head lp relay
• Headlight beam level control ecu (behind right side of dash)
• Headlight switch
• Hot at all times
• Hot in run or start
• Hrly
• I11
• Instrument cluster system
• Instrument panel junction block (at rear of parking brake release lever)
• Junction connector j/c 18 (upper right end of dash)
• Junction connector j/c 5 (upper left end of dash)
• Left headlight beam level control actuator (left headlight assembly)
• Lh 1
• Lh 2
• Lh 3
• Lh 4
• Main fuse 80a
• Off
• Pnk
• Pwr-ig fuse 15a
• Red
• Rh 1
• Rh 2
• Rh 3
• Rh 4
• Right front height control sensor & acceleration sensor (at right front side of engine compt)
• Right headlight beam level control actuator (right headlight assembly)
• Right rear height control sensor (under right rear of vehicle)
• Sbf
• Sgf
• Shf
• Shr
• Spdl
• Spdr
• Starting/charging system
• Tail
• W/ air suspension
• W/o air suspension
• Wng

HORN

Horn Wiring Diagram for Lexus LS 400 1999

List of elements for Horn Wiring Diagram for Lexus LS 400 1999:

• A14
• A15
• A16
• Body ecu (behind left side of dash)
• Combination switch
• Driver side j/b (behind left kick panel)
• Engine room j/b (on left side of engine compt, forward of strut tower)
• Horn
• Horn fuse 10a
• Horn relay
• Horn switch
• Hot at all times
• K11
• Left horn
• Right horn

INSTRUMENT CLUSTER

Instrument Cluster Wiring Diagram for Lexus LS 400 1999

List of elements for Instrument Cluster Wiring Diagram for Lexus LS 400 1999:

• (body harness, right rear door sill)
• (dash harn, behind combination meter)
• A/c system
• A10
• A11
• A12
• A13
• A14
• A15
• A16
• Abs ind
• Anti-lock brake system
• B10
• B11
• B12
• B13
• B14
• B15
• B16
• B17
• B18
• B20
• Body ecu (behind left side of dash)
• Brake ind
• C16
• C17
• C20
• Center junction block
• Charge ind
• Combination meter
• Cruise ind
• D10
• D11
• D12
• Dome fuse 10a
• Driver's side junction block
• Electronic suspension system
• Engine controls system
• Engine oil pressure switch (left front of engine)
• Engine room junction block
• Exterior lights system
• Front pad wear indicator
• Fuel gauge
• Fuel ind
• Fuel sender (in fuel tank)
• G202 (behind combination meter)
• G202 (left side of dash)
• G905 (under right c-pillar)
• Gauge fuse 10a
• Head ind (usa)
• Headlight system
• Height ind
• High beam ind
• Hot at all times
• Hot in run or start
• I39
• Instrument panel junction block
• J/c 5 (upper left end of dash)
• J10
• Left turn ind
• Mpx-b fuse 10a
• Multi- display
• Navigation & electronic suspension systems (speed sig) anti-lock brake system
• Nvm
• Odo/trip
• Odometer/ tripmeter
• Pwr ind
• Rear pad wear indicator
• Red
• Reset
• Rheostat
• Right turn ind
• Seat belt ind
• Slip ind
• Snow ind
• Solid state
• Speedometer
• Srs ind
• Steering control switch
• Tacho- meter
• Tail ind
• Trip switch
• Vsc off ind
• Warning system
• Washer level switch (left front of engine compt)
• Water temp gauge

INTERIOR LIGHTS

Courtesy Lamps Wiring Diagram (1 of 3) for Lexus LS 400 1999

List of elements for Courtesy Lamps Wiring Diagram (1 of 3) for Lexus LS 400 1999:

• (base of left c-pillar) b25
• (center of windshield header) b32
• A14
• A20
• Acc
• B10
• B13
• B14
• B16
• B29
• B31
• Bdr
• Becu
• Body ecu (behind left side of dash)
• C10
• C13
• Computer data lines system
• D10
• D15
• D16
• Diode (left rear interior light) (near base of left c-pillar)
• Diode (mpx body 1) (at left side of trunk, above wheelwell)
• Diode (mpx body 2) (at left side of trunk, above wheelwell)
• Driver side junction block (behind left kick panel)
• Front personal light
• G202 (left side of dash)
• G206 (right side of instrument panel brace)
• G407 (right side of trunk rear panel)
• Grd1
• Grd2
• Ignition key cylinder light
• Ile
• Junction connector j/c 17 (under left rear seat)
• Left rear door courtesy light
• Left rear interior light
• Left rear personal light
• Left step light
• Left vanity light
• Lgcy
• Luggage compartment light switch (luggage compartment)
• Mpx+
• Mpx-
• Mpx1
• Mpx2
• Noise filter (left rear interior light) (near base of left c-pillar)
• Rco
• Rda
• Red
• Right step light
• Right vanity light
• Sig

Courtesy Lamps Wiring Diagram (2 of 3) for Lexus LS 400 1999

List of elements for Courtesy Lamps Wiring Diagram (2 of 3) for Lexus LS 400 1999:

• (behind combination meter) i9
• (body harn, below right c-pillar)
• (body harn, right rear door sill)
• (body harn, under right rear seat)
• (in driver's door) driver door ecu
• (under right c-pillar)
• A10
• A12
• A15
• B10
• B14
• B15
• B16
• B17
• B19
• B20
• B37
• Bdr
• C12
• C17
• C18
• C20
• Center junction block (behind instrument cluster)
• Computer data lines system
• Cpub
• Cty
• Ctyb
• Ctye
• Cyl
• D fr door fuse 20a
• D10
• D11
• D12
• D18
• Diode (right rear interior light) (near base of right c-pillar)
• Dome fuse 10a
• Driver side junction block (behind left kick panel)
• E13
• Engine room junction block (on left side of engine compt, forward of strut tower)
• Exterior lights system (high mounted stoplight)
• Fuse holder (behind left side of dash)
• G202 (behind combination meter)
• G206 (right side of instrument panel brace)
• G905
• Grd
• Hot at all times
• Hot in accy or run
• Hot in run or start
• I6 (dash harn, left end of dash)
• Instrument panel junction block (at rear of parking brake release lever)
• J10
• Junction connector j/c 9 (right kick panel)
• Left front door courtesy light
• Left front door lock control motor, door unlock detection switch & door open detection switch
• Lsw
• Lswe
• Luggage compartment light
• Mpx-b fuse 10a
• Mpx1
• Mpx2
• Noise filter (stoplight & right rear interior light) (near base of right c-pillar)
• Open
• Pwr-ig fuse 15a
• Radio 2 fuse 15a
• Rco
• Rda
• Red
• Right rear door courtesy light
• Right rear interior light
• Right rear personal light
• Sig
• To center junction block (diagram 3 of 3)
• Unlk
• Wireless door lock control ecu (behind right side of dash)

Courtesy Lamps Wiring Diagram (3 of 3) for Lexus LS 400 1999

List of elements for Courtesy Lamps Wiring Diagram (3 of 3) for Lexus LS 400 1999:

• A12
• A18
• B10
• B12
• B14
• B15
• B17
• B19
• Bdr
• C14
• C15
• Center junction block (behind instrument cluster)
• Computer data lines system
• Cpub
• Cty
• Ctyb
• Ctye
• Cyl
• D rr door fuse 20a
• D11
• From engine room junction block (diagram 2 of 3)
• From instrument panel junction block (diagram 2 of 3)
• Fuse holder (behind left side of dash)
• G206 (right side of instrument panel brace)
• G300 (under driver's seat)
• G301 (under front passenger's seat)
• G905 (under right c-pillar)
• Grd
• Hot at all times
• Instrument panel junction block (at rear of parking brake release lever)
• K12
• Keye
• Kul
• Left rear door courtesy light
• Left rear door ecu (in left rear door)
• Left rear door lock control motor, door unlock detection switch & door open detection switch
• Lock
• Lsw
• Lswe
• Mpx1
• Mpx2
• Open
• P fr door fuse 20a
• P rr door fuse 20a
• Passenger door ecu (in right front door)
• Right front door courtesy light
• Right front door key lock & unlock switch
• Right front door lock control motor, door unlock detection switch & door open detection switch
• Right rear door courtesy light
• Right rear door ecu (in right rear door)
• Right rear door lock control motor, door unlock detection switch & door open detection switch
• Rrlp
• Sig
• Unlk

Instrument Illumination Wiring Diagram for Lexus LS 400 1999

List of elements for Instrument Illumination Wiring Diagram for Lexus LS 400 1999:

• (behind left kick panel) driver side junction block
• (dash harn, right side of radio)
• A/c control assembly
• A17
• Acan
• Anti-theft system
• B18
• C16
• C18
• Combination meter
• D10
• E14
• Electronically controlled transmission pattern select switch (height control switch)(w/ air susp)
• Electronically controlled transmission pattern select switch (w/o air susp)
• Front cigarette lighter
• G206 (right side of instrument panel brace)
• G300 (under driver's seat)
• G301 (under front passenger's seat)
• G905 (under right c-pillar)
• Gauge fuse 10a
• Glove box light 1
• Glove box light 2
• Glove box light switch 1
• Glove box light switch 2
• Grd
• Hazard switch
• Hot in park or head
• Hot in start or run
• I24
• I36
• I37
• Indic
• Instrument panel junction block (at rear of parking brake release lever)
• Junction connector j/c 14 (behind upper center of dash)
• Junction connector j/c 15 (behind center air vents)
• Junction connector j/c 16 (behind upper center of dash)
• Left rear cigarette lighter
• Left rear door ecu (in left rear door)
• Multi-display
• Panel fuse 7.5a
• Radio & player
• Remote control mirror switch
• Rheostat (security indicator light)
• Right rear cigarette lighter
• Right rear door ecu (in right rear door)
• Seat heater switch
• Transmission control switch
• Vsc off & head- light cleaner switch
• Whe1

MEMORY SYSTEMS

Memory System Wiring Diagrams (1 of 2) for Lexus LS 400 1999

List of elements for Memory System Wiring Diagrams (1 of 2) for Lexus LS 400 1999:

• (dash harn, behind combination meter)
• (forward of left rear wheelwell) j/c 17
• (left side of
• (left side of dash)
• Acc
• B17
• B19
• Bdr
• Becu
• Bem+
• Bem-
• Body ecu (behind left side of dash)
• C12
• C17
• Center j/b (behind instrument cluster)
• Computer data lines system
• Cpub
• Cty
• Ctye
• D fr door fuse 20a
• D10
• D11
• D12
• De2
• Dmfr
• Dmhr
• Dmvr
• Down
• Driver door ecu (in driver's door)
• Driver side j/b (behind left kick panel)
• Driver's shoulder belt adjust switch
• Driving position & memory control switch
• Dsdn
• Dsup
• Dsw
• Dvc
• E13
• E15
• Engine room j/b
• F27
• F28
• F38
• Front door open detection switch
• Fuse holder (behind left side of dash)
• G202 (behind combination meter)
• G202 (left side of dash)
• G206
• G206 (left side of instrument panel)
• Gnd
• Gnd2
• Hot at all times
• Hot in acc or on
• Hot in on or start
• Hsrl
• Hssr
• I6 (dash harn, left end of dash)
• Instrument
• Instrument panel j/b
• Left
• Left remote control mirror
• Mpx+
• Mpx-
• Mpx-b fuse 10a
• Mpx1
• Mpx2
• Mswe
• No 1
• No 2
• Operation switch
• P fr door fuse 20a
• Panel)
• Passenger door ecu (in right front door)
• Pe2
• Pm+r
• Pmhr
• Pmvr
• Pnk
• Power shoulder belt anchor relay (left)
• Pvc
• Pwr-ig fuse 15a
• Radio 2 fuse 15a
• Red
• Remote control mirror switch
• Right
• Right remote control mirror
• Select switch
• Set
• Sig
• To shoulder belt anchor motor (diagram 2 of 2)
• To tilt & telescopic ecu (diagram 2 of 2)
• Usw
• Vsrl
• Vssr

Memory System Wiring Diagrams (2 of 2) for Lexus LS 400 1999

List of elements for Memory System Wiring Diagrams (2 of 2) for Lexus LS 400 1999:

• (behind combination meter) g202
• (behind left side of dash) telescopic position sensor & motor
• (behind left side of dash) tilt position sensor & motor
• (diagram 1 of 2)
• (under driver's seat)
• B34
• B35
• B35 (body harn, under left front seat)
• B36
• Bem+
• Bem-
• Bes
• Braid
• C20
• Com1
• Com2
• Combination switch
• Computer data lines system
• Dome fuse 10a
• Driver side j/b (behind left kick panel)
• Driver's power seat switch
• Driver's seat front vertical motor
• Driver's seat headrest motor
• Driver's seat lumbar motor
• Driver's seat rear vertical motor
• Driver's seat reclining motor
• Driver's seat slide control motor
• Ecub
• Engine room j/b
• F/b1
• F/b2
• Fdwn
• From shoulder belt relay (diagram 1 of 2)
• Frt vert down
• Frt vert up
• Frv+
• Frv-
• Fup
• G300
• Gnd
• Hdwn
• Head down
• Head up
• Headrest position sensor
• Hot at all times
• Hup
• I12
• I18
• Instrument panel j/b
• J10
• Lumbar front
• Lumbar rear
• Mirb
• Mire
• Mirg
• Mpx1
• Mpx2
• Msw
• P10
• P11
• Pnk
• Power seat ecu (under driver's seat)
• Pvcc
• Pwr fuse 30a
• Rcl+
• Rcl-
• Rclf
• Rclr
• Rdwn
• Rear vert down
• Rear vert up
• Recline front
• Recline rear
• Red
• Rrv+
• Rrv-
• Rup
• S5v1
• S5v2
• Seat fr fuse 30a
• Sg1
• Sg2
• Sgnd
• Shoulder belt anchor motor
• Sin1
• Sin2
• Sld+
• Sld-
• Sldf
• Sldr
• Slide front
• Slide rear
• Sn2
• Ssfv
• Ssrh
• Ssrr
• Ssrs
• Ssrv
• Sysb
• Tilt & telescopic ecu (behind left side of dash)
• Tilt &telescopic switch
• Vcs

NAVIGATION

Navigation Wiring Diagram for Lexus LS 400 1999

List of elements for Navigation Wiring Diagram for Lexus LS 400 1999:

• (behind upper center of dash) junction connector j/c 16
• +b1
• Acc
• Aui+
• Aui-
• Auo+
• Auo-
• B17
• B29
• Braided
• Bus buffer
• C 1995 vftc
• C20
• Computer data lines system
• Crt fuse 15a
• Dome fuse 10a
• Driver side j/b (behind left kick panel)
• Dtx+
• Dtx-
• E12
• Engine room j/b (on left side of engine compt, forward of strut tower)
• F10
• Fl+
• Fl-
• G12
• G206 (right side of instrument panel brace)
• G407 (right side of trunk rear panel)
• Grd1
• Hot at all times
• Hot in accy or run
• Illum
• Instrument cluster system
• Instrument panel j/b (at rear of parking brake release lever)
• Interior lights system
• J10
• Junction connector j/c 12 (behind upper center of dash)
• Junction connector j/c 17 (forward of left rear wheelwell)
• Junction connector j/c 4 (upper left side of dash)
• Left front door speaker
• Mayday ecu (right side of luggage compt)
• Mayday switch (cellular phone)
• Mpx1
• Mpx2
• Multi-display
• Mute
• N-mu
• Navigation ecu (at left rear corner of luggage compt)
• Pbew
• Pnk
• R37
• R38
• R39
• Radio & player
• Radio 1 fuse 20a
• Radio 2 fuse 15a
• Red
• S27
• S28
• Sgnd
• Spd (vss)
• Stereo component amplifier (under front passenger's seat)
• Sync
• Tx+
• Tx-
• Tx1+
• Tx1-

PASSIVE RESTRAINTS

Electric Tension Reducer Wiring Diagram for Lexus LS 400 1999

List of elements for Electric Tension Reducer Wiring Diagram for Lexus LS 400 1999:

• Center j/b
• Driver side j/b
• G300 (under driver's seat)
• G301 (under front passenger's seat)
• Hot in run or start
• Instrument panel j/b
• J/c 17 (below left rear seat)
• J/c 17 (foward of left rear wheelwell)
• Left buckle switch
• Left tension reducer solenoid
• Pwr-ig fuse 15a
• Right buckle switch
• Right tension reducer solenoid

Power Shoulder Belt Anchorage Wiring Diagram for Lexus LS 400 1999

List of elements for Power Shoulder Belt Anchorage Wiring Diagram for Lexus LS 400 1999:

• Bem+
• Bem-
• Dsw
• F11
• Fuel opn fuse 10a
• G206 (right side of instrument panel brace)
• Hot at all times
• Instrument panel j/b
• J/c 9 (right kick panel)
• Power shoulder belt anchor relay (behind right side of dash)
• Right shoulder belt adjust switch
• Right shoulder belt anchor motor
• Usw

POWER ANTENNA

Power Antenna Wiring Diagram for Lexus LS 400 1999

List of elements for Power Antenna Wiring Diagram for Lexus LS 400 1999:

• (forward of left rear wheelwell) j/c 17
• Auto antenna control relay & motor
• B17
• B29 (body harn, base of left "c" pillar)
• Driver side j/b
• Engine room j/b
• G300 (under driver's seat)
• Hot at all times
• Hot in acc or on
• Hot in on or start
• Instrument panel j/b
• J/c 12 (upper center of dash)
• J/c 4 (left side of dash)
• Pwr-ig fuse 15a
• Radio & player
• Radio 1 fuse 20a
• Radio 2 fuse 15a

POWER DISTRIBUTION

Power Distribution Wiring Diagram (1 of 2) for Lexus LS 400 1999

List of elements for Power Distribution Wiring Diagram (1 of 2) for Lexus LS 400 1999:

• (canada)
• (on left side of engine compt, forward of strut tower) engine room j/b
• (on left side of engine compt, forward of strut tower) engine room r/b
• (usa)
• Abs fuse 60a
• Alt fuse 120a
• Alt-s fuse 7.5a
• Am1 fuse 40a
• Am2 fuse 30a
• Anti-lock brakes system
• Anti-lock brakes, headlights systems
• Battery
• Body computer, instrument cluster, headlights
• Cellular phones system
• Cir opn relay
• Coil
• Computer data lines system
• Cooling fans system
• Crt fuse 15a
• Defog fuse 50a
• Defog relay
• Defogger system
• Dimmer relay (usa)
• Dome fuse 10a
• Drl 2 relay (canada)
• Drl fuse (can) 10a
• Ecu-b fuse 7.5a
• Efi 1 fuse 20a
• Efi 2 fuse 10a
• Efi relay
• Electronic suspension system
• Engine controls system
• Engine main relay
• Engine room j/b (on left side of engine compt, forward of strut tower)
• Etcs fuse 15a
• Exterior lights system
• Fr s/htr fuse 15a
• From e engine room j/b (diagram 1 of 2)
• From f engine room j/b (diagram 1 of 2)
• From fusible link block (diagram 1 of 2)
• From instrument panel junction block (diagram 2 of 2)
• Fusible link block (on left side of engine compt, forward of strut tower)
• H/ctrl fuse 40a
• Haz fuse 10a
• Head lamp relay
• Headlights system
• Heater fuse 50a
• Heater relay
• Horn fuse 10a
• Horn relay
• J10
• K10
• L lwr h-lp fuse 15a
• L upr h-lp fuse 10a
• Main fuse 80a
• Mir htr fuse 15a
• Mpx-b fuse 10a
• Navigation system
• Noise filter (rear window defogger)
• Obd fuse 7.5a
• R lwr h-lp fuse 15a
• R upr h-lp fuse 10a
• Radio 1 fuse 20a
• Rdi fan fuse 30a
• Red
• Seats system
• Short pin
• Sound, power antenna, navigation systems
• St fuse 30a
• Starter
• Starter relay
• Starting/ charging system
• Tel fuse 15a
• To engine room j/b (diagram 1 of 2)
• To engine room r/b (diagram 1 of 2)
• To ignition switch (diagram 2 of 2)
• To instrument panel j/b (diagram 2 of 2)

Power Distribution Wiring Diagram (2 of 2) for Lexus LS 400 1999

List of elements for Power Distribution Wiring Diagram (2 of 2) for Lexus LS 400 1999:

• (at rear of parking brake release lever) instrument panel j/b
• (body harn, left door sill)
• (dash harn, behind combination meter)
• (left side of instrument panel brace) g206
• (right side of instrument panel brace) g206
• A/c fuse 7.5a
• Acc
• Air air conditioning, clock, sound systems
• Air conditioning, body computer, sound, navigation, shift interlock instrument cluster, power antenna clock, interior lights, power window systems
• Air sus fuse 20a
• Anti-lock brakes, starting/charging, electronic power steering headlights systems
• B16
• B28
• D fr door fuse 20a
• D rr door fuse 20a
• D11
• Door locks, power windows systems
• Ecu-ig fuse 10a
• Electronic suspension system
• Engine controls, cooling fans, air conditioning systems
• Exterior lights system
• Exterior lights, cruise control, engine controls, transmission systems
• F11
• Fog light relay
• Fr cig fuse 15a
• Fr fog fuse 15a
• From fusible link block (diagram 1 of 2)
• From fusible link block a (diagram 1 of 2)
• From instru- h ment panel junction block (diagram 2 of 2)
• Front cigarette lighter
• Fuel opn fuse 10a
• Fuse holder (behind left side of dash)
• G206 (right side of instrument panel brace)
• G407 (right side of trunk rear panel)
• G905 (under right c-pillar)
• Gauge fuse 10a
• Heater fuse 10a
• I10
• I12
• I13
• I14
• I7 (dash harn, behind steering column)
• Ign fuse 10a
• Ignition main relay
• Ignition switch
• Instrument cluster, anti lock brakes, exterior lights, transmissions, cruise control, interior lights systems
• Instrument panel j/b (at rear of parking brake release lever)
• Interior lights systems
• Interior lights, body computer, headlights, door locks, power windows, memory, power tops, power antenna, mirrors, telephone, warnings systems
• J11
• J16
• Junction connector j/c 16 (behind center air vents)
• Junction connector j/c 18 (upper right side of dash)
• Junction connector j/c 4 (upper left end of dash)
• K12
• L11
• L12
• Left rear cigarette lighter
• Left rear door ecu
• Lock
• P fr door fuse 20a
• P rr door fuse 20a
• Panel fuse 7.5a
• Pnk
• Power outlet
• Power tops, seats, passive restraints systems
• Pwr fuse 30a
• Pwr-ig fuse 15a
• Radio 2 fuse 15a
• Red
• Right rear cigarette lighter
• Right rear door ecu
• Rr cig fuse 15a
• Run
• Seat fr fuse 30a
• Seats system
• Start
• Starter fuse 7.5a
• Starting/ charging engine controls system
• Stop lp fuse 25a
• Stop-s fuse 7.5a
• Stoplight switch (brake pedal bracket)
• Tail fuse 7.5a
• Taillight control relay
• To engine room j/b (diagram 1 of 2)
• To instru- ment panel junction block (diagram 2 of 2)
• Trunk, tailgate, fuel doors, passive restraints system
• Turn fuse 7.5a
• Washer fuse 20a
• Wiper fuse 20a
• Wiper/ washer system
• Wiper/ washer systems

POWER DOOR LOCKS

Power Door Lock Wiring Diagram (1 of 2) for Lexus LS 400 1999

List of elements for Power Door Lock Wiring Diagram (1 of 2) for Lexus LS 400 1999:

• (behind combination meter) i9
• (in driver's door) driver door ecu
• A10
• A13
• A14
• A15
• A17
• A20
• Acan
• Acc
• B13
• B14
• B15
• B16
• B17
• B19
• Bdr
• Becu
• Body ecu (behind left side of dash)
• Bzr
• Bzr2
• C10
• C12
• C17
• C18
• C20
• Center junction block (behind instrument cluster)
• Computer data lines system
• Cpub
• Cty
• Ctye
• D fr door fuse 20a
• D10
• D11
• D12
• D15
• D16
• D18
• Dome fuse 10a
• Driver side junction block (behind left kick panel)
• E13
• Engine room junction block (on left side of engine compt, forward of strut tower)
• Exterior lights system
• Fuse holder (behind left side of dash)
• G202 (behind combination meter)
• G202 (left side of dash)
• G206 (right side of instrument panel brace)
• G407 (right side of trunk rear panel)
• Grd
• Grd1
• Grd2
• Haz
• Hdcy
• Headlights system
• Horn
• Horns system
• Hot at all times
• Hot in accy or run
• Hot in run or start
• Hrly
• I6 (dash harn, left end of dash)
• Ind
• Instrument panel junction block (at rear of parking brake release lever)
• J10
• Junction connector j/c 9 (right kick panel)
• Keye
• Keyless buzzer (at left rear corner of engine compt)
• Keyless buzzer on/off switch
• Ksw
• Kul
• Left front door key lock & unlock switch
• Left front door lock control motor, door unlock detection switch & door open detection switch
• Left front door lock control switch (power window master switch)
• Lock
• Lsw
• Lswe
• Luggage compartment door key unlock switch
• Mpx+
• Mpx-
• Mpx-b fuse 10a
• Mpx1
• Mpx2
• Mul
• Open
• Pnk
• Pwe
• Pwr-ig fuse 15a
• Pws
• Radio 2 fuse 15a
• Rco
• Rda
• Red
• Sig
• Theft deterrent horn (at right rear corner of engine compt)
• Tkul
• To center junction block (diagram 2 of 2)
• Trly
• Unlk
• Wireless door lock control ecu (behind right side of dash)

Power Door Lock Wiring Diagram (2 of 2) for Lexus LS 400 1999

List of elements for Power Door Lock Wiring Diagram (2 of 2) for Lexus LS 400 1999:

• (left side of dash)
• (right side of instrument panel brace) g206
• A12
• A18
• B14
• B15
• B16
• B17
• B19
• Bdr
• C14
• C15
• Center junction block (behind instrument cluster)
• Computer data lines system
• Cpub
• Cty
• Ctye
• D rr door fuse 20a
• D11
• Dle
• Engine hood courtesy switch (engine compartment)
• From engine room junction block (diagram 1 of 2)
• From instrument panel junction block (diagram 1 of 2)
• Fuse holder (behind left side of dash)
• G101 (front of right front fender)
• G202
• G206 (right side of instrument panel brace)
• G300 (under driver's seat)
• G301 (under front passenger's seat)
• G905 (under right c-pillar)
• Grd
• Hot at all times
• Instrument panel junction block (at rear of parking brake release lever)
• Junction connector j/c 16 (behind center air vents)
• K10
• K12
• Keye
• Kul
• Left rear door ecu (in left rear door)
• Left rear door lock control motor, door unlock detection switch & door open detection switch
• Lock
• Lsw
• Lswe
• Mpx1
• Mpx2
• Mul
• Not used
• Open
• P fr door fuse 20a
• P rr door fuse 20a
• Passenger door ecu (in right front door)
• Pnk
• Rheostat & security indicator light
• Right front door key lock & unlock switch
• Right front door lock control motor, door unlock detection switch & door open detection switch
• Right front door lock control switch
• Right rear door ecu (in right rear door)
• Right rear door lock control motor, door unlock detection switch & door open detection switch
• Sig
• System engine controls
• Unlk
• Unlock warning switch (behind left side of dash)

POWER MIRRORS

Electrochromic Mirror Wiring Diagram for Lexus LS 400 1999

List of elements for Electrochromic Mirror Wiring Diagram for Lexus LS 400 1999:

• A12
• A13
• A20
• B21
• Center junction block (behind instrument cluster)
• Ec+
• Ec-
• G206 (right side of instrument panel brace)
• Gnd
• Hot in on or start
• Inside rear view mirror
• Instrument panel junction block (at rear of parking brake release lever)
• Left remote control mirror
• Pwr-ig fuse 15a
• Right remote control mirror

POWER SEATS

Heated Seats Wiring Diagram for Lexus LS 400 1999

List of elements for Heated Seats Wiring Diagram for Lexus LS 400 1999:

• (front of left front fender)
• Alt fuse 120a
• Driver's seat heater
• Engine main relay
• Engine room junction block (on left side of engine compt, forward of strut tower)
• Fr s/htr fuse 15a
• Front passenger's seat heater
• Fusible link block (on left side of engine compt, forward of strut tower)
• G100
• G206 (left side of instrument panel brace)
• G300 (under driver's seat)
• G301 (under front passenger's seat)
• Heater fuse 10a
• Hot at all times
• Hot in on or start
• Instrument panel junction block (at rear of parking brake release lever)
• J/c 16 (behind center air vents)
• J11
• Left
• Right
• Seat heater switch
• Solid state

Power Seats Wiring Diagram for Lexus LS 400 1999

List of elements for Power Seats Wiring Diagram for Lexus LS 400 1999:

• (in
• Down
• Driver's head rest control motor (in driver's seatback)
• Driver's lumbar support control motor (in driver's seatback)
• Driver's power seat control switch
• Driver's rear vertical control motor (under driver's seat)
• Driver's reclining control motor (under driver's seat)
• Driver's slide control motor (under driver's seat)
• Drivers front vertical control motor (under driver's seat)
• Front
• Front passenger's power seat control switch
• Front vertical
• G300 (under driver's seat)
• G301 (under front passenger's seat)
• Head rest
• Hot at all times
• I12
• I23 (dash harn, behind combination meter)
• Instrument panel junction block (at rear of parking brake release lever)
• Lumbar support
• Passenger's front vertical control motor (under passenger's seat)
• Passenger's head rest control motor
• Passenger's lumbar support control motor
• Passenger's rear vertical control motor (under passenger's seat)
• Passenger's reclining control motor (under passenger's seat)
• Passenger's seatback)
• Passenger's slide control motor (under passenger's seat)
• Rear
• Rear vertical
• Reclining
• Red
• Seat fr fuse 30a
• Slide
• Vertical

Rear Power Seat Wiring Diagram for Lexus LS 400 1999

List of elements for Rear Power Seat Wiring Diagram for Lexus LS 400 1999:

• G405 (right rear end of trunk)
• Hot at all times
• Instrument panel junction block (at rear of parking brake release lever)
• Left rear passenger's seat slide control motor (under seat)
• Left rear seat head rest top & bottom control motor (under seat)
• P29
• P30
• Power fuse 30a
• Rear passenger's seat power control switch
• Right rear passenger's seat slide control motor (under seat)
• Right rear seat head rest top & bottom control motor (under seat)
• Right rear seat head rest turning control motor (under seat)
• Seat harness)

POWER TOP/SUNROOF

Power Top/Sunroof Wiring Diagrams for Lexus LS 400 1999

List of elements for Power Top/Sunroof Wiring Diagrams for Lexus LS 400 1999:

• B31 (body harn, right "a" pillar)
• Body ecu (behind left side of dash)
• Bus
• Center j/b (behind instrument cluster)
• Close
• Down
• Driver door ecu
• Front passenger door ecu
• G201 (right side of instrument panel brace)
• Hot at all times
• Hot in on or start
• Instrument panel j/b (at rear of parking brake release lever)
• Left rear door ecu
• Moon roof control relay (in front of moon roof opening)
• Moon roof control switch
• Mpx1
• Mpx2
• Open
• Power fuse 30a
• Power seat ecu
• Pwr-ig fuse 15a
• Right rear door ecu
• Tilt & telescopic ecu (behind left side of dash)
• W/ memory
• W/o memory

POWER WINDOWS

Power Window Wiring Diagram (1 of 3) for Lexus LS 400 1999

List of elements for Power Window Wiring Diagram (1 of 3) for Lexus LS 400 1999:

• (1999) (2000)
• (behind left kick panel) driver side j/b
• (body harn, inside left front door)
• (dash harness, behind combination meter) i9
• (in driver's door) driver door ecu
• Acc
• Auto
• B17
• B19
• Bdr
• Becu
• Body ecu (behind left side of dash)
• C17
• C20
• Center j/b (behind instrument cluster)
• Computer data lines system
• Cpub
• Cty
• Ctye
• D fr door fuse 20a
• D10
• D11
• D12
• D18
• Dome fuse 10a
• Down
• Driver side j/b (behind left kick panel)
• Dt1
• Dt2
• Dt3
• E13
• Engine room j/b (on left side of engine compt, forward of strut tower)
• Front power window master switch
• Fuse holder (behind left side of dash)
• G201 g206 (right side of instrument panel brace)
• G202 (behind combination meter)
• G202 (left side of dash)
• Gnd
• Gnd1
• Gnd2
• Grd
• Hot at all times
• Hot in accy or run
• Hot in run or start
• I6 (dash harn, left end of dash)
• Instrument panel j/b (at rear of parking brake release lever)
• J/c 9 (right kick panel)
• J10
• Keye
• Kul
• Left front door key lock & unlock switch
• Left front door open detection switch
• Lmt
• Lock
• Mdn
• Mpx+
• Mpx-
• Mpx-b fuse 10a
• Mpx1
• Mpx2
• Mul
• Mup
• Open
• Pls
• Pnk
• Pwe
• Pwr-ig fuse 15a
• Pws
• Radio 2 fuse 15a
• Rco
• Rda
• Red
• Rssi
• Sc1
• Sc2
• Sc3
• Sgnd
• Sig
• To driver side junction block (diagram 2 of 3)
• Unlk
• Unlock
• Window lock switch
• Wireless door lock control ecu (behind right side of dash)
• Wlsw

Power Window Wiring Diagram (2 of 3) for Lexus LS 400 1999

List of elements for Power Window Wiring Diagram (2 of 3) for Lexus LS 400 1999:

• (1999) (2000)
• (diagram 1 of 3)
• Auto
• B17
• B19
• Bdr
• Computer data lines system
• Cpub
• Cty
• Ctye
• D rr door fuse 20a
• D11
• Driver side j/b (behind left kick panel)
• F27
• F28
• F38
• From
• From engine room j/b (diagram 1 of 3)
• Fuse holder (behind left side of dash)
• G201 g206 (right side of instrument panel brace)
• Gnd
• Hot at all times
• Instrument panel j/b
• Instrument panel j/b (at rear of parking brake release lever)
• K12
• Keye
• Kul
• Left front power window motor
• Limit
• Lmt
• Lock
• Mdn
• Mpx1
• Mpx2
• Mup
• Open
• P fr door fuse 20a
• P rr door fuse 20a
• Passenger door ecu (in right front door)
• Pls
• Pulse
• Pwe
• Right front door key lock & unlock switch
• Right front door open detection switch
• Right front power window control switch
• Right front power window motor
• Sgnd
• Sig
• Unlk

Power Window Wiring Diagram (3 of 3) for Lexus LS 400 1999

List of elements for Power Window Wiring Diagram (3 of 3) for Lexus LS 400 1999:

• (in left rear door) left rear door ecu
• Auto
• B15
• Bdr
• C15
• Computer data lines system
• Cpub
• Cty
• Ctye
• D13
• Driver side j/b (behind left kick panel)
• E17
• G300 (under driver's seat)
• G301 (under front passenger's seat)
• G905 (under right "c" pillar)
• Gnd
• Left rear door open detection switch
• Left rear power window control switch
• Left rear power window motor
• Limit
• Lmt
• Mdn
• Mpx1
• Mpx2
• Mup
• Open
• Pcti
• Pcto
• Pls
• Pulse
• Pwe
• R40
• R41
• R42
• R43
• Red
• Right rear door ecu (in right rear door)
• Right rear door open detection switch
• Right rear power window control switch
• Right rear power window motor
• Seli
• Sgnd
• Sig

RADIO

Radio Wiring Diagrams, Nakamichi for Lexus LS 400 1999

List of elements for Radio Wiring Diagrams, Nakamichi for Lexus LS 400 1999:

• A10
• A11
• A12
• A13
• A14
• Acc
• Agnd
• Amp
• Amp+
• Atx+
• Atx-
• Automatic cd changer
• B10
• B11
• B12
• B13
• B14
• Beep
• C10
• C11
• C12
• C13
• Cdl+
• Cdl-
• Cdr+
• Cdr-
• Ctx+
• Ctx-
• Dome fuse 10a
• Driver's side j/b (behind left kick panel)
• E12
• Engine room j/b (left side of engine compartment, forward of strut tower)
• Fl+
• Fl-
• Fr+
• Fr-
• G206 (left side of instrument panel brace)
• Gnd
• Gnd3
• Hot at all times
• Hot in acc or on
• Illum
• Instrument panel j/b (at right rear parking brake release lever)
• Interior lights system
• J10
• Junction connector j/c 12 (behind upper center of dash)
• Junction connector j/c 4 (behind upper left side of dash)
• Left front door speaker
• Left rear door speaker
• Mute
• Pnk
• Radio fuse 1 20a
• Radio fuse 2 15a
• Radio/cd player
• Red
• Red c20
• Right front door speaker
• Right rear door speaker
• Rl+
• Rl-
• Rr+
• Rr-
• Rtx+
• Rtx-
• Sgnd
• Speaker
• Speaker relay
• Stereo component amplifier (under front passenger's seat)
• Telephone transceiver
• Telephone transceiver & speaker relay (right side of luggage compartment)
• Tlmt
• Tweeter
• Txm+
• Txm-
• Wf+
• Wf-
• Woofer speaker

Radio Wiring Diagrams, Pioneer for Lexus LS 400 1999

List of elements for Radio Wiring Diagrams, Pioneer for Lexus LS 400 1999:

• (under front passenger's seat) stereo component amplifier
• A12
• Acc
• Agnd
• Ant
• Anta
• Antb
• Atx+
• Atx-
• Automatic cd changer
• B12
• C10
• C11
• C12
• C13
• C14
• Cdl+
• Cdl-
• Cdr+
• Cdr-
• Ctx+
• Ctx-
• D10
• D11
• D12
• D13
• D14
• Dome fuse 10a
• Driver's side j/b (behind left kick panel)
• E12
• Engine room j/b (left side of engine compartment, forward of strut tower)
• F10
• Fl+
• Fl-
• Fr+
• Fr-
• G10
• G11
• G12
• G206 (left side of instrument panel bracket)
• Gnd
• Gnd3
• Hot at all times
• Hot in acc or on
• I10
• I11
• I12
• I13
• I14
• Illum
• Instrument panel j/b (at right rear parking brake release lever)
• Interior lights system
• J10
• Junction connector j/c 12 (behind upper center of dash)
• Junction connector j/c 4 (behind upper left side of dash)
• Left front door speaker
• Left rear door speaker
• Mute
• Pnk
• Power antenna system
• Radio fuse 1 20a
• Radio fuse 2 15a
• Radio/cd player
• Red
• Red c20
• Right front door speaker
• Right rear door speaker
• Rl+
• Rl-
• Rr+
• Rr-
• Rtx+
• Rtx-
• Se1
• Sgnd
• Sgnd2
• Speaker
• Speaker relay
• Telephone transceiver
• Telephone transceiver & speaker relay (right side of luggage compartment)
• Tumt
• Tweeter
• Txm+
• Txm-
• Wf+
• Wf-
• Woofer speaker

Radio Wiring Diagrams, with Navigation for Lexus LS 400 1999

List of elements for Radio Wiring Diagrams, with Navigation for Lexus LS 400 1999:

• (under front passenger's seat) stereo component amplifier
• A12
• Acc
• Agnd
• Atx+
• Atx-
• Aui+
• Aui-
• Auo+
• Auo-
• Automatic cd changer
• B12
• Cdl+
• Cdl-
• Cdr+
• Cdr-
• Ctx+
• Ctx-
• Dome fuse 10a
• Driver's side j/b (behind left kick panel)
• E12
• Engine room j/b (left side of engine compartment, forward of strut tower)
• F10
• Fl+
• Fl-
• Fr+
• Fr-
• G10
• G11
• G12
• G206 (left side of instrument panel bracket)
• Gnd
• Gnd3
• Hot at all times
• Hot in acc or on
• I10
• I11
• I12
• I13
• I14
• Illum
• Instrument panel j/b (at right rear parking brake release lever)
• Interior lights system
• J10
• Junction connector j/c 12 (behind upper center of dash)
• Junction connector j/c 4 (behind upper left side of dash)
• Left front door speaker
• Left rear door speaker
• Multi display
• Mute
• N-nu
• Navigation ecu (left rear corner of luggage compartment)
• Pnk
• Radio fuse 1 20a
• Radio fuse 2 15a
• Radio/cd player
• Red
• Red c20
• Right front door speaker
• Right rear door speaker
• Rl+
• Rl-
• Rr+
• Rr-
• Rtx+
• Rtx-
• Sgnd
• Sgnd2
• Speaker
• Speaker relay
• Telephone transceiver
• Telephone transceiver & speaker relay (right side of luggage compartment)
• Tumt
• Tweeter
• Tx+
• Tx-
• Tx1+
• Tx1-
• Txm+
• Txm-
• Wf+
• Wf-
• Woofer speaker

SHIFT INTERLOCKS

Shift Interlock Wiring Diagram for Lexus LS 400 1999

List of elements for Shift Interlock Wiring Diagram for Lexus LS 400 1999:

• 10a
• 15a
• 25a
• 7.5
• Acc
• B17
• B18
• C19
• C21
• Center junction block (behind instrument cluster)
• Doff
• Driver side junction block (behind left kick panel)
• E11
• E15
• Engine control module (behind right side of dash)
• G202 (left side of dash)
• G203 (right kick panel)
• Gauge fuse
• Hot at all times
• Hot in acc or on
• Hot in on or start
• Instrument panel junction block (at rear of parking brake release lever)
• J/c 18 (upper right end of dash)
• J/c 5 (upper left end of dash)
• Key interlock solenoid
• Kls+
• L12
• Park/neutral position switch (on transmission)
• Pwr-ig fuse
• Radio 2 fuse
• Rspd
• Shift lock control switch
• Shift lock ecu (under center console, near selector lever)
• Shift lock solenoid
• Sls+
• Sls-
• Stop light switch
• Stop lp fuse
• Stop-s fuse
• Stp
• Unlock warning switch & key interlock solenoid (behind left side of dash)

STARTING/CHARGING

Charging Wiring Diagram for Lexus LS 400 1999

List of elements for Charging Wiring Diagram for Lexus LS 400 1999:

• A/c control assembly (behind center of dash)
• Acc
• Alt fusible link 120a
• Alt-s fuse 7.5a
• Am1 fusible link 40a
• B12
• B13
• Battery
• Battery ground
• Body ecu (behind left side of dash)
• Center junction block (behind instrument cluster)
• Charge warning light
• Comb- ination meter
• Door locks system
• Driver side junction block (behind left kick panel)
• E16
• Ecu-ig fuse 10a
• Engine control module (behind right side of dash)
• Engine room junction block (on left side of engine compt, forward of strut tower)
• Fusible link block (on left side of engine compt, forward of strut tower)
• G202 (left side of dash)
• Gauge fuse 10a
• Generator
• I5 (dash harness, behind combination meter)
• Ignition switch
• Instrument panel junction block (rear of parking brake release lever)
• J/c 5 (left side of dash)
• J/c 6 (left side of dash)
• Main fusible link 80a
• Mpx+
• Mpx-
• Mpx1
• Mpx2
• Multi-display
• Nca
• Off
• Pnk
• Pnk a10
• Solid state
• Start
• W/ navigation
• W/o navigation

Starting Wiring Diagram for Lexus LS 400 1999

List of elements for Starting Wiring Diagram for Lexus LS 400 1999:

• (on transmission)
• A19
• Acc
• Am2
• Am2 fusible link 30a
• Battery
• Center junction block (behind instrument cluster)
• E11
• Engine control module (behind right side of dash)
• Engine room junction block (on left side of engine compartment, forward of strut tower)
• Fusible link block (on left side of engine compartment, forward of strut tower)
• G100 (front of left front fender)
• Ignition switch
• Instrument panel junction block (at rear of parking brake release lever)
• L11
• Lock
• Main fusible link 80a
• Nca
• Park/ neutral position switch
• Run
• St fuse 7.5a
• St fusible link 30a
• St2
• Sta
• Start
• Starter motor
• Starter relay

SUPPLEMENTAL RESTRAINTS

Supplemental Restraint Wiring Diagram for Lexus LS 400 1999

List of elements for Supplemental Restraint Wiring Diagram for Lexus LS 400 1999:

• (at rear of parking brake release lever) instrument panel j/b
• (left dash brace) g206
• (on top left side of engine)
• (right rear of engine) g117
• A10
• A11
• A12
• A13
• A14
• A15
• A16
• A17
• A18
• A19
• A20
• A21
• A22
• A23
• A24
• A25
• A26
• A27
• A28
• Acc
• Air bag sensor assembly (behind front of center console)
• Air bag squib (front passenger air bag assembly)
• Air bag squib (steering wheel pad)
• B10
• B11
• B12
• B20
• Body ecu (behind left side of dash)
• C10
• C11
• C12
• C20
• Center j/b (behind combination meter)
• Combination meter
• D18
• Data link connector (dlc) 1 (partial)
• Data link connector (dlc) 3 (partial) (behind lower left side of dash)
• Dome fuse 10a
• Driver side j/b (behind left kick panel)
• Engine room j/b (on left side of engine compartment, forward of strut tower)
• Esl
• Esr
• F10
• Fr cig fuse 15a
• Fsl
• Fsr
• G206 (right dash brace)
• Gsw
• Hot at all times
• Hot in acc or on
• Hot in on or start
• Ig2
• Ign fuse 10a
• Instrument panel j/b (at rear of parking brake release lever)
• J/c 3 (behind right kick panel)
• J10
• Left pretensioner (at base of left "b" pillar)
• Left side air bag sensor (near base of left "b" pillar)
• Left side air bag squib
• Pl+
• Pl-
• Pnk
• Pr+
• Pr-
• Red
• Right pretensioner (at base of right "b" pillar)
• Right side air bag sensor (near base of right "b" pillar)
• Right side air bag squib
• Sfl+
• Sfl-
• Sfr+
• Sfr-
• Sil
• Spiral cable
• Srs warning indicator
• Ssl+
• Ssr+
• Vupl
• Vupr

TRANSMISSION

A/T Wiring Diagram for Lexus LS 400 1999

List of elements for A/T Wiring Diagram for Lexus LS 400 1999:

• (behind cluster) center j/b
• (right kick panel) g203
• (right side of dash) j/c 18
• +b1
• A/t oil
• A20
• Accel position sensor (top front of engine)
• B12
• B18
• B21
• Batt
• Center j/b (behind cluster)
• D10
• Data link connector 1 (top left side of engine)
• Driver side j/b (left kick panel)
• E01
• E02
• E03
• E11
• E12
• E13
• E14
• E15
• E16
• E20
• Efi 1 fuse 20a
• Efi relay
• Electronic controlled transmission pattern select switch
• Electronic controlled transmission solenoid
• Engine control module (behind right side of dash)
• Engine coolant temperature sensor (right front of engine)
• Engine room j/b (left side of engine compt)
• G100 (front of left front fender)
• G112 (left rear side of engine)
• G117 (right rear side of engine)
• Gauge fuse 10a
• Hot at all times
• Hot in on or start
• I13
• I38
• Ign fuse 10a
• Igsw
• Instrument panel j/b (at rear of parking brake release lever)
• Interior lights system
• L12
• Mrel
• Nco+
• Nco-
• No. 1
• No. 2
• No. 3
• No. 4
• O/d direct clutch speed sensor (on trans)
• Oil
• Park/ neutral position switch (on transmission)
• Pnk
• Pwr
• Red
• Sln
• Sln+
• Sln- sln-
• Slt
• Slt+
• Slt-
• Slu
• Slu+
• Slu-
• Snwi
• Sp2+
• Sp2-
• St1
• Starting/ charging system
• Stop fuse 25a
• Stop-s fuse 7.5a
• Stoplight switch (on brake pedal bracket)
• Stp
• Temp
• Throttle position sensor (on throttle body)
• Thw
• Transmission control switch (front of gear selector)
• Vehicle speed sensor (on trans)
• Vpa
• Vpa2
• Vta
• Vta2
• W/ air susp
• W/o air susp

TRUNK, TAILGATE, FUEL DOOR

Trunk, Tailgate, Fuel Door Wiring Diagrams for Lexus LS 400 1999

List of elements for Trunk, Tailgate, Fuel Door Wiring Diagrams for Lexus LS 400 1999:

• B16
• Body ecu (left side of dash)
• Fuel lid opener solenoid (at right side of luggage compartment)
• Fuel lid opener switch (left side of dash)
• Fuel opn fuse 10a
• G206 (left side of instrument panel brace)
• G407 (right side of trunk rear panel)
• G905 (under right c-pillar)
• Hot at all times
• Instrument panel junction block (at rear of parking brake release lever)
• J/c 16 (behind center air vents)
• Luggage compartment door key unlock switch
• Luggage compartment door opener motor (center rear of trunk)
• Luggage compartment door opener switch (left side of dash)
• Main
• Tkul
• Tr+
• Tsw

WARNING SYSTEMS

Warning System Wiring Diagrams for Lexus LS 400 1999

List of elements for Warning System Wiring Diagrams for Lexus LS 400 1999:

• (forward of left rear wheelwell)
• A18
• A21
• Acc
• B12
• B17
• B19
• Bdr
• Becu
• Body ecu (behind left side of dash)
• C16
• C17
• Center j/b
• Combination meter
• Computer data lines
• Cpub
• Cty
• Ctye
• D fr door fuse 20a
• D10
• D11
• D12
• Dbkl
• Driver door ecu (in driver's door)
• Driver side junction block (left kick panel)
• E13
• Engine room junction block
• Front passenger's seat belt warning light
• Fuse holder (behind left side of dash)
• G202 (behind combination meter)
• G202 (left side of dash)
• G300 (under driver's seat)
• G301 (under front passenger's seat)
• Gauge fuse 10a
• Gnd
• Gnd2
• Hot at all times
• Hot in acc or run
• Hot in run or start
• I9 (behind combination meter)
• Instrument panel junction block
• J/c 12 (upper center of dash)
• J/c 17
• J/c 5 (left side of dash)
• J/c 6 (left side of dash)
• Ksw
• Left buckle switch
• Left front door open detection switch
• Mpx+
• Mpx-b fuse 10a
• Mpx1
• Mpx2
• Pbkl
• Pnk
• Pwr-ig fuse 15a
• Radio no. 2 fuse 15a
• Red
• Right buckle switch
• Seat belt ind
• Seat belt warning occupant detection sensor
• Sig
• Solid state
• Unlock warning switch (behind left side of dash)
• W/ navi- gation
• W/o navi- gation

WIPER/WASHER

Wiper/Washer Wiring Diagram for Lexus LS 400 1999

List of elements for Wiper/Washer Wiring Diagram for Lexus LS 400 1999:

• Body ecu (behind left side of dash)
• Combination switch
• G202 (behind combination meter)
• Hot in on or start
• I10
• I45 (dash harn, left side of dash)
• I46 (dash harn, left side of dash)
• Instrument panel junction block (at rear of parking brake release lever)
• Instrument panel junction block (at rear of parking brake release lever)
• Int
• Intermittent time control switch
• J/c 6 (left end of dash)
• J12
• Mist switch
• Off
• S/m
• S/s
• Vr1
• Vr2
• Washer fuse 20a
• Washer motor (at left front corner of engine compt)
• Washer switch
• Wig
• Wiper fuse 20a
• Wiper motor (on left side of firewall)
• Wiper switch