Toyota RAV4 Service Manual: Headlight dimmer switch
Precaution
- Precaution for vehicle with srs
- Some procedures in this section may affect the supplemental restraint system (srs). Prior to performing the procedures, read the srs section's "precaution" (see page rs-1).
Components
Removal
- Disconnect cable from negative battery terminal
Caution:
Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to prevent airbag and seat belt pretensioner activation.
- Place front wheels facing straight ahead
- Remove steering pad assembly (see page rs- 336)
- Remove steering wheel assembly (see page sr-12)
- Remove steering column cover (see page sr-12)
- Remove spiral cable sub-assembly (see page rs-346)
- Remove wiper and washer switch (see page ww-27)
- Remove headlight dimmer switch assembly
- Disconnect the connector.
- Using needle-nose pliers, remove the band clamp as shown in the illustration.
- Using a screwdriver, detach the claws and remove the switch.
Hint:
Tape the screwdriver tip before use.
Inspection
- Inspect headlight dimmer switch assembly
- Measure the resistance of the switch.
Standard resistance:
Light control switch 
Headlight dimmer switch 
Turn signal switch 
Fog light switch 
If the result is not as specified, replace the dimmer switch assembly.
Installation
- Install headlight dimmer switch assembly
- Attach the claw to install the headlight dimmer switch with the claw as shown in the illustration.
- Install the headlight dimmer switch with the clamp.
- Connect the connector.
- Install wiper and washer switch assembly (see page ww-29)
- Install spiral cable sub-assembly (see page rs-347)
- Install steering column cover (see page sr- 20)
- Install steering wheel assembly (see page sr-21)
- Place front wheels facing straight ahead
- Inspect steering wheel center point
- Install steering pad assembly (see page rs- 336)
- Connect cable to negative battery terminal
- Inspect steering pad assembly (see page rs- 337)
- Check srs warning light
- Check the srs warning light (see page rs-337).
Footwell light
On-vehicle inspection
Inspect footwell light
Connect the battery's positive (+) lead to terminal 2
and the negative (-) lead to terminal 1, then check
that the light comes on.
Ok: ...
Hazard warning switch
Components
Removal
Disconnect cable from negative battery
terminal
Caution:
Wait at least 90 seconds after disconnecting the
cable from the negative (-) battery terminal to
prevent ai ...
Other materials:
Exhaust gas precautions
Harmful substance to the human body is included in exhaust
gases if inhale.
Caution
Exhaust gases include harmful carbon monoxide (co), which is colorless and
odorless. Observe the following precautions.
Failure to do so may cause exhaust gases enter the vehicle and may lead to
an accident c ...
Taillight relay circuit
Description
When the light control switch, located on the headlight dimmer switch, is
turned to the tail position, the
taillight relay (marking: t-lp) turns on to illuminate the front side marker
lights, rear taillights, side marker
lights and license plate light.
Wiring diagram
Ins ...
How to proceed with troubleshooting
Hint:
*: Use the intelligent tester.
Hint:
If the display indicates a communication fault in the tester,
inspect the dlc3.
Hint:
Record or print dtcs and freeze frame data, if necessary.
Hint:
If the engine does not start, first perform the "check dtc"
procedures a ...