HEADLIGHTS

(behind combination meter) i9
(in driver's door) driver door ecu
(left side of dash)
A14
A20
Acc
Auto
Automatic light control sensor (behind upper left side of dash)
B14
B15
B16
B17
B19
B22
Bdr
Becu
Body ecu (behind left side of dash)
C11
C12
C17
C18
C20
C22
Center junction block (behind instrument cluster)
Cltb
Clte
Clts
Computer data lines system
Cpub
Cty
Ctye
D fr door fuse 20a
D10
D11
D12
D13
D14
D15
D16
Dimmer switch
Diode (drl) (behind left kick panel)
Dome fuse 10a
Driver side junction block (behind left kick panel)
E10
E13
Engine room junction block (on left side of engine compt, forward of strut tower)
Exterior lights system
Flash
Fog lights
Foglight switch
Fuse holder (behind left side of dash)
G202
G202 (behind combination meter)
G202 (left side of dash)
Grd
Grd1
Grd2
Head
Headlight switch
Headlights system (headlight beam level control)
High
Hot at all times
Hot in accy or run
Hot in run or start
Hrly
Instrument panel junction block (at rear of parking brake release lever)
J10
Junction connector j/c 5 (bhind left side of dash)
Left front door open detection switch
Low
Mpx+
Mpx-
Mpx-b fuse 10a
Mpx1
Mpx2
Off
Pwr-ig fuse 15a
Radio 2 fuse 15a
Rco
Rda
Red
Sig
Tail
Trly
Wiper/ washer system (headlight cleaner switch)
Wireless door lock control ecu (behind right side of dash)

(engine harn, left radiator support) e3
(front of right front fender)
(on left side of engine compt, forward of strut tower) engine room relay block
C11
Center junction block (behind instrument cluster)
Combination meter
Daytime running light relay 3 & 4 (at left front corner of engine compt)
Driver side junction block (behind left kick panel)
Drl 2 relay
Drl fuse 10a
E1 (engine harn, right radiator support)
E19
E2 (engine harness, right radiator support)
E21
Ecu-b fuse 7.5a
Ecu-ig fuse 10a
Engine room junction block (on left side of engine compt, forward of strut tower)
Fog light relay
Fr fog fuse 15a
Fusible link block (on left side of engine compt, forward of strut tower)
G100 (front of left front fender)
G101
G202 (left side of dash)
G206 (right side of instrument panel brace)
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
Headlight control ecu (left low beam) (w/ hid) left low beam headlight (w/o hid)
Headlight control ecu (right low beam) (w/ hid) right low beam headlight (w/o hid)
Hi beam indic
Hot at all times
Hot in run or start
I10 (dash harn, left side of dash)
Instrument panel junction block (at rear of parking brake release lever)
J15
Junction connector j/c 6 (left side of dash)
Junction connector j/c 9 (right kick panel)
K10
Left fog light
Left high beam headlight
Main daytime running light relay (behind right end of dash)
Main fuse 80a
Parking brake switch (behind left side of dash)
Pnk
Red
Right fog light
Right high beam headlight
Starting/ charging system

(behind combination meter) i9
(in driver's door) driver door ecu
(left side of dash)
A14
A20
Acc
Auto
Automatic light control sensor (behind upper left side of dash)
B14
B15
B16
B17
B19
Bdr
Becu
Body ecu (behind left side of dash)
C11
C12
C17
C18
C20
C22
Center junction block (behind instrument cluster)
Cltb
Clte
Clts
Computer data lines system
Cpub
Cty
Ctye
D fr door fuse 20a
D10
D11
D12
D13
D14
D15
D16
Dimmer switch
Dome fuse 10a
Driver side junction block (behind left kick panel)
E10
E13
Engine room junction block (on left side of engine compt, forward of strut tower)
Exterior lights system
Flash
Fog- lights
Foglight switch
Fuse holder (behind left side of dash)
G202
G202 (behind combination meter)
G202 (left side of dash)
Grd
Grd1
Grd2
Head
Headlight switch
Headlights system (headlight beam level control) (w/ hid only)
High
Hot at all times
Hot in accy or run
Hot in run or start
Hrly
Instrument panel junction block (at rear of parking brake release lever)
J10
Junction connector j/c 5 (behind left side of dash)
Left front door open detection switch
Low
Mpx+
Mpx-
Mpx-b fuse 10a
Mpx1
Mpx2
Off
Pwr-ig fuse 15a
Radio 2 fuse 15a
Rco
Rda
Red
Short connector s24/s25 (upper left end of dash)
Sig
Tail
Trly
Wireless door lock control ecu (behind right side of dash)

(front of right front fender)
(on left side of engine compt, forward of strut tower) engine room relay block
A16
B17
C17
Center junction block (behind instrument cluster)
Combination meter
Dimmer relay
Engine room junction block (on left side of engine compt, forward of strut tower)
Fog light relay
Fr fog fuse 15a
Fusible link block (on left side of engine compt, forward of strut tower)
G100 (front of left front fender)
G101
G101 (front of right front fender)
G202 (behind combination meter)
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 ind
Head lp relay
Headlight control ecu (left lowbeam)
Headlight control ecu (right lowbeam)
Hi beam indic
Hot at all times
I39
Instrument panel junction block (at rear of parking brake release lever)
J15
Junction connector j/c 6 (left side of dash)
Left foglight
Left high beam head- light
Left low beam head- light
Main fuse 80a
Mpx-b fuse 10a
Red
Right foglight
Right high & low beam headlight
Right high beam head- light
Short pin
W/ hid
W/o hid

(left side of dash)
(right kick panel)
(right kick panel) i12
Anti-lock brakes system
Auto
Body ecu (behind left side of dash)
C19
C22
Chg-
Driver side junction block (behind left kick panel)
E10
Engine room junction block (on left side of engine compt, forward of strut tower)
Fusible link block (on left side of engine compt, forward of strut tower)
G202
G203 (right kick panel)
Hdlp
Head
Head lp relay
Headlight beam level control ecu (behind right side of dash)
Headlight switch
Hot at all times
Hot in run or start
Hrly
I11
Instrument cluster system
Instrument panel junction block (at rear of parking brake release lever)
Junction connector j/c 18 (upper right end of dash)
Junction connector j/c 5 (upper left end of dash)
Left headlight beam level control actuator (left headlight assembly)
Lh 1
Lh 2
Lh 3
Lh 4
Main fuse 80a
Off
Pnk
Pwr-ig fuse 15a
Red
Rh 1
Rh 2
Rh 3
Rh 4
Right front height control sensor & acceleration sensor (at right front side of engine compt)
Right headlight beam level control actuator (right headlight assembly)
Right rear height control sensor (under right rear of vehicle)
Sbf
Sgf
Shf
Shr
Spdl
Spdr
Starting/charging system
Tail
W/ air suspension
W/o air suspension
Wng

HEADLIGHTS – Lexus LS 400 2000 – SYSTEM WIRING DIAGRAMS