lights LEXUS RX350 2011 Repair Manual

506
4-3. Do-it-yourself maintenance
6ECU-IG1 NO. 310 A
Outside rear view mirror, windshield
wipers and washer, seat heaters,
starter system, power outlet, moon
roof, Automatic High Beam
7ECU-IG1 NO. 110 A
Multiplex communication system,
electric power steering system, shift
lock control system, tilt and telescopic
steering, starter system, automatic
transmission system, power back
door, tire pressure warning system
8S/ROOF30 AMoon roof
9FUEL OPN7. 5 AFuel filler door opener
10PSB30 APre-collision seat belt
11TI & TE30 ATilt and telescopic steering system
12DR LOCK10 APower door lock system
13FR FOG15 AFront fog lights
14P-S E AT L H30 APo w e r s e a t ( l e f t - s i d e )
154WD7. 5 AAW D s y s t e m
16INVERTER20 A
17RR FOG7. 5 A
18D/L ALT B25 AMultiplex communication system
19HEATER10 AAir conditioning system
20ECU-IG1 NO. 210 A
Air conditioning system, multiport fuel
injection system/sequential multiport
fuel injection system, SRS airbag sys-
tem, multi-information display
FuseAmpereCircuit

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4-3. Do-it-yourself maintenance
4

Maintenance and care
21PA N E L10 A
Switch illumination, navigation system,
headlight cleaner, windshield wiper
de-icer, seat heater, power back door,
audio system, multi-information dis-
play, air conditioning system
22TA I L10 A
Parking lights, side marker lights, tail
lights, license plate lights, front fog
lights, towing converter
23AIR SUS20 A
24P-S E AT R H30 APower seat (right-side)
25OBD7. 5 AOn-Board diagnosis
26FR DOOR25 AFront power window (right-side)
27RR DOOR25 ARear power window (right-side)
28FL DOOR25 AFront power window (left-side)
29RL DOOR25 ARear power window (left-side)
30FR WASH25 AWindshield wipers and washer
31RR WIP15 AWindshield wipers and washer
32RR WASH20 AWindshield wipers and washer
33FR WIP30 AWindshield wipers and washer
34ECU IG210 AStarter system, Intuitive parking assist,
AWD s y s t e m
35GAUGE NO. 27. 5 AStarter system
36RH S-HTR15 ASeat heater (right-side)
37LH S-HTR15 ASeat heater (left-side)
FuseAmpereCircuit

508
4-3. Do-it-yourself maintenance
nAfter a fuse is replaced
lIf the lights do not turn on even after the fuse has been replaced, a bulb may
need replacement. (→P. 511)
lIf the replaced fuse blows again, have the vehicle inspected by your Lexus
dealer.
nIf there is an overload in the circuit
The fuses are designed to blow, protecting the wiring harness from damage.
CAUTION
nTo prevent system breakdowns and vehicle fire
Observe the following precautions.
Failing to do so may cause damage, and possibly a fire or injury.
lNever use a fuse of a higher amperage rating than indicated, or use any other
object in place of a fuse.
lAlways use a genuine Lexus fuse or equivalent.
Never replace a fuse with a wire, even as a temporary fix.
This can cause extensive damage or even fire.
lDo not modify fuse or fuse boxes.
NOTICE
nBefore replacing fuses
Have the cause of electrical overload determined and repaired by your Lexus
dealer.

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4-3. Do-it-yourself maintenance
4

Maintenance and care
Headlight aim (discharge headlights)
nVertical movement adjustment bolts
Adjustment bolt A
Adjustment bolt B
nBefore checking the headlight aim
Remove the engine compartment cover. (→P. 464)
Make sure the vehicle has a full tank of gas and the area around
the headlight is not deformed.
Park the vehicle on level ground.
Sit in the driver’s seat.
Bounce the vehicle several times.
nAdjusting the headlight aim
Turn bolt A in either direction
using a Phillips-head screw-
driver.
Remember the turning direction
and the number of turns.
STEP1
STEP2
STEP3
STEP4
STEP5
STEP1

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4-3. Do-it-yourself maintenance
4

Maintenance and care
Light bulbs
You may replace the following bulbs by yourself. The difficulty level of
replacement varies depending on the bulb. If necessary bulb replacement
seems difficult to perform, contact your Lexus dealer.
For more information about replacing other light bulbs, contact your Lexus
dealer.
nPreparing for light bulb replacement
Check the wattage of the light bulb to be replaced. (→P. 605)
nRemoving the engine compartment covers
→P. 4 6 4
nTurning off the power back door main switch (if equipped)
→P. 5 2
nFront bulb locations
Discharge headlights
Front side
marker light
Daytime running light
Front turn
signal light
Parking light

512
4-3. Do-it-yourself maintenance
Halogen headlights
nRear bulb locations
Headlight high beam
and daytime running light
Headlight low beam
Front side
marker light
Front turn
signal light
Parking light
Rear turn signal light
Back-up light
Rear side marker
light
Tail light
Tail light

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4-3. Do-it-yourself maintenance
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Maintenance and care
Replacing light bulbs
nDaytime running lights (discharge headlights)
Turn the bulb base counterclock-
wise.
Unplug the connector while
depressing the lock release.
nHeadlight high beams and daytime running lights (halogen head-
lights)
Right side only:
Open the cap.
Move the washer fluid filler
opening to allow easy access to
the light bulbs.
STEP1
STEP2
STEP1

514
4-3. Do-it-yourself maintenance
Turn the bulb base counterclock-
wise.
Unplug the connector while
depressing the lock release.
nHeadlight low beams (halogen headlights)
Turn the bulb base counterclock-
wise.
Unplug the connector while press-
ing the lock release.
STEP2
STEP3
STEP1
STEP2

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4-3. Do-it-yourself maintenance
4

Maintenance and care
nParking lights
Right side only:
Open the cap.
Move the washer fluid filler
opening to allow easy access to
the light bulbs.
Turn the bulb base counterclock-
wise.
Remove the light bulb.
nFront turn signal lights
Turn the bulb base counterclock-
wise.
STEP1
STEP2
STEP3
STEP1

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4-3. Do-it-yourself maintenance
Remove the light bulb.
nFront side marker lights
Turn the bulb base counterclock-
wise.
Remove the light bulb.
nRear turn signal and tail lights
Remove the access hole cover.
Use a flathead screwdriver
wrapped in a cloth.
STEP2
STEP1
STEP2
STEP1