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Headlights — Lexus IS 300 2005 Wiring Diagram

HEADLIGHTS

Headlamps Wiring Diagram (1 of 2) for Lexus IS 300 2005

List of elements for Headlamps Wiring Diagram (1 of 2) for Lexus IS 300 2005:

(behind left side of dash) diode (fog light)
(in dash harness, behind left side of dash) i2
(sedan: near left "c" pillar)
(wagon: in rear of liftgate)
+b1
Acc
Anti-theft system
Auto
Automatic light control sensor (top left side of dash)
B10
Becu
Bn (at right upper side of back panel)
Body ecu (behind lower left end of dash, integral with driver side j/b)
Bsub
Cltb
Clte
Clts
Combination switch
Computer data lines system
Dcty
Dimmer switch
Door fuse 20a
Driver side j/b (behind lower left end of dash)
Ecu-b2 fuse 7.5a
Exterior lights system
Flash
Foglight switch
Head
High
Hot at all times
Hot in acc or run
Hot w/ tail relay energized
Ill+
Junction connector 12 (sedan) junction connector 18 (wagon)
Junction connector 15 (left side of luggage compartment)
Junction connector 5 (behind left end of dash, above driver side j/b)
Left rear fog light (left rear combination light)
Lgcy
Light control switch
Low
Lsr
Lswp
Mpx-b fuse 10a
Mpx1
Mpx2
Mpx3
Obd2
Off
Panel fuse 7.5a
Passenger side j/b (behind lower right end of dash)
Pcty
Radio 2 fuse 10a
Rcty
Rear fog light switch
Red
Right rear fog light (right rear combination light)
Sedan
Solid state
Tail
Theft deterrent ecu (behind left end of dash)
W/ rear fog light
W/o rear fog light
Wagon

Headlamps Wiring Diagram (2 of 2) for Lexus IS 300 2005

List of elements for Headlamps Wiring Diagram (2 of 2) for Lexus IS 300 2005:

(right rear of engine compartment) engine room 1 r/b
C10
Chg-
Combination meter
Daytime running light relay 3 & 4 (on right front of engine compt, beside air box)
Daytime running light resistor (on right side of engine compt, on strut tower)
Dimmer relay
Driver side j/b (behind lower left end of dash)
Drl
Drl 1 fuse 7.5a
Drl 2 fuse 30a
E1 (in engine harness, at right front of engine compt)
Ec (at left fender apron)
Ecu-b2 fuse 7.5a
Ecu-ig fuse 10a
Engine room 1 r/b (on right rear of engine compartment)
Engine room 2 r/b (on right rear of engine compartment)
Engine room 3 r/b (on left side of engine compartment)
Fr fog fuse 15a
Fr fog relay
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 indicator
Hot at all times
Hot in on or start
Ih (at right side of firewall)
Ind
Junction connector 6 (behind left side of dash, forward of instrument cluster)
Junction connector 7 (behind upper right side of dash)
Left front fog light
Left headlight control ecu (behind left headlight assembly)
Left high beam headlight
Main daytime running light relay (behind left end of dash)
Main fuse 40a
Parking brake switch (at base of parking lever)
Passenger side j/b (behind lower right end of dash)
Pkb
Red
Right front fog light
Right headlight control ecu (behind right headlight assembly)
Right high beam headlight

Headlamps Leveling Wiring Diagram for Lexus IS 300 2005

List of elements for Headlamps Leveling Wiring Diagram for Lexus IS 300 2005:

A11
Above driver side j/b)
Anti-lock brakes system
Auto
Combination meter
Combination switch
Dimmer switch
Diode (fog light) (behind left side of dash)
Driver side j/b (behind lower left end of dash)
Ecu-ig fuse 10a
Engine room 1 r/b (on right rear of engine compt)
Flash
Gauge fuse 10a
H10
Head
Head lp relay
Headlight beam level control ecu (behind left end of dash)
Headlight beam level control warning light
High
Hot at all times
Hot in on or start
I10
Ih (at right side of firewall)
Junction connector 5 (behind left end of dash, a
Junction connector 7 (behind upper right side of dash)
Left front height control sensor (on left front of engine compt)
Left headlight beam level control actuator (behind left headlight)
Left rear height control sensor (sedan: under left rear of vehicle, attached to suspension control arm) (wagon: under rear of vehicle)
Lh+
Lh-
Lh1 (s1)
Lh2 (s2)
Lh3 (s3)
Lh4 (s4)
Lhe
Lht
Light control switch
Low
Main fuse 40a
Mlcom (b1)
Mrcom (b1)
Off
Passenger side j/b (behind lower right end of dash)
Red
Rh+
Rh-
Rh1 (s1)
Rh2 (s2)
Rh3 (s3)
Rh4 (s4)
Rhe
Rht
Right headlight beam level control actuator (behind right headlight)
Sbf
Sbr
Sgf
Sgr
Shb
Shfl
Shg
Shrl
Spdr
Tail
Theft deterrent ecu (behind left end of dash)
Wng

HEADLIGHTS – Lexus IS 300 2005 – SYSTEM WIRING DIAGRAMS