INTERIOR LIGHTS – Lexus LS 400 1999 – SYSTEM WIRING DIAGRAMS

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