INTERIOR LIGHTS – Lexus RX 300 2003 – SYSTEM WIRING DIAGRAMS

INTERIOR LIGHTS

Courtesy Lamps Wiring Diagram (1 of 2) for Lexus RX 300 2003

List of elements for Courtesy Lamps Wiring Diagram (1 of 2) for Lexus RX 300 2003:

65

• (at left rear quarterpanel) bl
• A10
• B11
• Bcty
• Bdr
• Becu
• Bj (at bottom of left ``b" pillar)
• Body ecu (behind left side of dash)
• Bsub
• C14
• Code
• Combination meter ecu
• Cpub
• Cty
• Ctyb
• Ctye
• Cyl
• D rr door fuse 20a
• D12
• Driver door ecu (in left front door)
• Engine control module (behind right side of dash)
• F11
• F13
• Front passenger door ecu (in right front door)
• Gauge fuse 7.5a
• Gnd
• Gnd1
• Gnd2
• Hot at all times
• Hot in on or start
• I16
• I18
• I5 (in dash harness, behind left side of dash)
• Ih (at right dash brace)
• Ile
• Instrument control panel
• Instrument panel j/b (behind left side of dash)
• J/b 3 (behind left kick panel)
• J/b 3 (behind upper center of dash)
• J/c 3 & 4 (behind left kick panel)
• J/c 5 (behind upper left side of dash)
• J/c 9 (behind right kick panel)
• K10
• Left front door courtesy light
• Left front door courtesy switch
• Left rear door courtesy switch
• Left rear door ecu (in left rear door)
• Mpx+
• Mpx-
• Mpx1
• Mpx2
• Open door indicator
• P fr door fuse 20a
• P rr door fuse 20a
• Rco
• Rda
• Red
• Right front door courtesy light
• Rssi
• Sig
• Solid state
• Vcc
• W/ navigation
• W/o navigation
• Wireless door lock ecu (in center of vehicle)

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

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

39

• (in body harness, at headliner) b3
• (in body harness, at headliner) b6
• (w/o moon roof) (w/moon roof)
• B4 b5
• Back door courtesy switch
• Bdr
• Bk (at bottom of right ``b" pillar)
• Cpub
• Cty
• Ctye
• Diode (rear interior light) (in rear center of roof)
• Dome fuse 10a
• Door
• Ecu-b fuse 7.5a
• Engine room j/b (on left side of engine compartment)
• Fl door fuse 20a
• Front interior light
• G10
• Garage door opener
• Gnd
• Hot at all times
• Ignition key cylinder light
• Instrument panel j/b (behind left side of dash)
• J/b 5 (behind upper left side of dash)
• J/c 14 (in left side of liftgate)
• J/c 3 & 4 (behind left kick panel)
• J/c 5 (behind upper left side of dash)
• Left vanity light
• Mpx1
• Mpx2
• Off
• Personal light
• Rear interior light
• Red
• Right rear door courtesy switch
• Right rear door ecu (in right rear door)
• Right vanity light
• Sel1
• Sig

Instrument Illumination Wiring Diagram for Lexus RX 300 2003

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

41

• (w/ navigation)
• (w/o navigation)
• A12
• Ashtray illumination
• Body ecu (behind left side of dash)
• C13
• C14
• Cigarette lighter illumination
• Combination meter ecu
• Driver seat heater switch
• E10
• Electronically controlled transmission pattern select switch illumination
• Front
• Glove box light
• H10
• Hazard switch
• Head
• Hot at all times
• I16
• I18
• Ih (at right dash brace)
• Ill+
• Ill-
• Instrument control panel illumination
• Instrument panel j/b (behind left side of dash)
• J/b 3 (behind upper center of dash)
• J/c 9 (behind right kick panel)
• Light control switch (combination switch)
• O/d main switch illumination
• Off
• Panel fuse 7.5a
• Passenger's
• R28
• Radio & player (w/ navigation)
• Rheostat
• Seat heater switch
• Tail
• Tail cancel
• Taillight relay
• Traction cut switch illumination (2wd)
• Trly