HEADLIGHTS – Lexus RX 300 2003 – SYSTEM WIRING DIAGRAMS

HEADLIGHTS

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

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

67

• (behind center of dash) if
• (in dash harness, behind left side of dash) i5
• Auto
• Automatic light control sensor (behind upper left side of dash)
• Bdr
• Becu
• Body ecu (behind left side of dash)
• C14
• Cltb
• Clte
• Clts
• Combination meter ecu
• Combination switch
• Cpub
• Cty
• Ctye
• D17
• Dimmer switch
• Dome fuse 10a
• Driver door ecu (in left front door)
• Drl
• Ecu-b fuse 7.5a
• Engine room j/b (on left side of engine compartment)
• Ffgo
• Ffog
• Fl door fuse 20a
• Flash
• Foglight switch
• G10
• Gnd
• H-lp left lwr fuse 15a
• H-lp right lwr fuse 15a
• Head
• Headlamp relay
• High
• Hot at all times
• Hrly
• I16 (w/o nav)
• I18 (w/ nav)
• Instrument control panel
• Instrument panel j/b (behind left side of dash)
• J/b 5 (behind upper left side of dash)
• Junction connector 1 (in engine compartment, on right front fender)
• Junction connector 2 (in left front of engine compartment, behind headlight)
• Junction connector 5 (behind upper left side of dash)
• Junction connector 7 (behind upper left side of dash)
• Junction connector 9 (behind right kick panel)
• Ksw
• Left front door courtesy switch
• Left low beam headlight
• Light control switch
• Low
• Main fuse 50a
• Mpx+
• Mpx-
• Mpx1
• Mpx2
• Off
• Pkb
• Pnk
• Red
• Red w/o hid
• Right low beam headlight
• Tail
• Trly
• Unlock warning switch
• W/ hid

Headlamps Wiring Diagram (2 of 2) for Lexus RX 300 2003

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

47

• (in engine harness, at left side of engine) e7
• (in engine harness, at left side of engine) e8
• (near battery) e9
• A10
• C14
• Canadian models
• Combination meter ecu
• Daytime running light resistor (on left front of engine compartment)
• Drl 2 relay
• Drl 3 relay
• Drl 4 relay
• Drl fuse 7.5a
• E14 (in engine harness, at right fender)
• Engine room j/b (on left side of engine compartment)
• Fog- light relay
• Fr fog fuse 15a
• Gauge fuse 7.5a
• H-lp left upr fuse 15a
• H-lp right upr fuse 15a
• Head indicator
• High beam indicator
• Hot at all times
• Hot in on or start
• Instrument panel j/b (behind left side of dash)
• J/b 3 (behind upper center of dash)
• J/b 5 (behind upper left side of dash)
• Junction connector (behind left kick panel)
• Junction connector 1 (in engine compartment, on right front fender)
• Junction connector 2 (in left front of engine compt, behind headlight)
• K10
• Left front fog- light
• Left headlight ecu (w/ hid) (behind left headlight)
• Left high beam headlight (w/o hid)
• Parking brake switch
• R/b 2
• R/b 3 (on front center of engine compt, on radiator support)
• Red
• Right front fog- light
• Right headlight ecu (w/ hid) (behind right headlight)
• Right high beam headlight (w/o hid)
• Short connector (on left front of engine compartment)
• Solid state
• Tail fuse 10a
• Taillight relay
• Us models
• W/ hid
• W/o hid

Headlamps Leveling Wiring Diagram for Lexus RX 300 2003

List of elements for Headlamps Leveling Wiring Diagram for Lexus RX 300 2003:

47

• A37
• A40
• Abs & ba & trac & vsc ecu (behind right side of dash)
• C13
• C14
• Chg-
• Combination meter ecu
• Ecu-ig fuse 15a
• Engine room j/b (on left side of engine compt)
• G13
• Generator
• Head lamp relay
• Headlight beam level cntrl warning light
• Headlight beam level control ecu (behind left end of dash)
• Heater fuse 15a
• Height control sensor (under rear of vehicle)
• Hot at all times
• Hot in on or start
• I12
• Instrument panel j/b (behind left side of dash)
• J/b 3 (behind upper center of dash)
• Junction connector 4 (behind left kick panel)
• Junction connector 9 (behind right kick panel)
• K13
• Left headlight beam level control actuator
• Lh+
• Lh-
• Lhe
• Lhg
• Lht
• Main fuse 50a
• Pnk
• Red
• Rh+
• Rh-
• Rhe
• Rhg
• Rht
• Right headlight beam level control actuator
• Sbr
• Sgr
• Shr2
• Spdl
• Spdn
• W/ hid
• W/o hid
• Wng