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Interior Lights — Lexus GS 300 2003 Wiring Diagram

INTERIOR LIGHTS

Courtesy Lamps Wiring Diagram (1 of 3) for Lexus GS 300 2003

List of elements for Courtesy Lamps Wiring Diagram (1 of 3) for Lexus GS 300 2003:

(in dash harness, behind right side of glove box) i6
B2 (in body harness, at top of right "a" pillar)
Bdr
Becu
Body ecu 2
Computer data lines system
Cpub
Cty
Ctyb
Ctye
Cyl
D fr fuse 20a
D rr door fuse 20a
D22
D23
D24
Door
Driver door ecu (in driver's door)
Driver side j/b (behind left kick panel)
Ecu-ig fuse 15a
Engine room r/b 1 (on right side of engine compt, behind strut tower)
Exterior lights system
F13
Gnd
H10
H11
H13
Headlights system
Hot at all times
Hot in run or acc
Hot in run or start
Hrly
I1 (in dash harness, behind instrument cluster)
Ignition key cylinder light
Ii (at right side of dash)
Ile
Junction connector 10 (behind left side of dash)
Junction connector 13 (behind left side of dash)
Junction connector 17 (behind upper right side of dash)
Junction connector 6 (behind left kick panel)
Junction connector 7 (behind left kick panel)
Junction connector 8 (behind left kick panel)
Left front door courtesy light
Left front door courtesy switch
Left step light
Mpx1
Mpx2
Off
Passenger side j/b (behind right kick panel)
Personal light
Radio 2 fuse 15a
Right step light
Sig
Trly

Courtesy Lamps Wiring Diagram (2 of 3) for Lexus GS 300 2003

List of elements for Courtesy Lamps Wiring Diagram (2 of 3) for Lexus GS 300 2003:

(in dash harness, behind instrument cluster)
B2 (in body harness, at top of right "a" pillar)
Bdr
Bj (at left rear floor partition panel)
Bl (at right rear floor partition panel)
Cpub
Cty
Ctyb
Ctye
Cyl
Diode (luggage compartment door open detection) (at left side of luggage compartment)
Ecu-b2 fuse 10a
Gnd
Hot at all times
Junction connector 20 (above left rear wheelwell)
Left rear door courtesy light
Left rear door courtesy switch
Left rear door ecu (in left rear door)
Left rear interior light
Left vanity light
Luggage compartment door courtesy switch
Luggage compartment light
Mpx1
Mpx2
Noise filter (stoplight) (at left front corner of luggage compt)
Passenger side j/b (behind right kick panel)
Power seat ecu (under driver's seat)
Red
Right rear door courtesy light
Right rear door courtesy switch
Right rear door ecu (in right rear door)
Right rear interior light
Right vanity light
Rrlp
Sig
W/ memory seats
W/o memory seats

Courtesy Lamps Wiring Diagram (3 of 3) for Lexus GS 300 2003

List of elements for Courtesy Lamps Wiring Diagram (3 of 3) for Lexus GS 300 2003:

(at right side of luggage compartment) wireless door lock control ecu
(left rear corner of engine compt) wireless door lock buzzer
Acc
Bdr
Becu
Body ecu 1
Bzr
Bzr2
Computer data lines system
Cpub
Cty
Ctyb
Ctye
Cyl
Dome fuse 10a
Engine room r/b 1 (on right side of engine compt, behind strut tower)
F11
F12
F13
Front passenger door ecu (in right front door)
Gnd
H11
H12
Hot at all times
Ii (at right side of dash)
Junction connector 15 (behind left side of dash)
Junction connector 17 (behind upper right side of dash)
Junction connector 22 (above right rear wheelwell)
Mpx1
Mpx2
P fr fuse 20a
P rr door fuse 20a
Passenger side j/b (behind right kick panel)
Pnk
Rco
Rda
Right front door courtesy light
Right front door courtesy switch
Rssi
Sig

Instrument Illumination Wiring Diagram for Lexus GS 300 2003

List of elements for Instrument Illumination Wiring Diagram for Lexus GS 300 2003:

A/c control assembly (behind center of dash)
A/t shift position illumination
A13
Anti-theft system
Bj (at left rear floor partition panel)
Bl (at right rear floor partition panel)
C12
Cigarette lighter
Combination meter
Driver side j/b (behind left kick panel)
Electronically controlled transmission pattern select switch
Glove box light
Glove box light switch
Gnd
Hazard switch
Headlight cleaner switch (canada)
Hot at all times
I1 (in dash harness, behind instrument cluster)
Instrument panel j/b (behind upper center of dash)
Junction connector (behind left kick panel)
Junction connector 13 (behind left side of dash)
Junction connector 16 (behind center of dash)
Left rear ashtray illumination
Left rear door ecu (in left rear door)
Mirror retraction switch (left side of dash)
Multi-display
Panel fuse 7.5a
Radio & player
Remote control mirror switch
Rheostat (security indicator light)
Right rear ashtray illumination
Right rear door ecu (in right rear door)
Seat heater switch
Vsc off switch
Whe1

INTERIOR LIGHTS – Lexus GS 300 2003 – SYSTEM WIRING DIAGRAMS