Toyota Sienna Service Manual: Headlight dimmer switch
COMPONENTS
REMOVAL
1. REMOVE STEERING COLUMN LOWER COVER
2. REMOVE STEERING COLUMN UPPER COVER
3. REMOVE HEADLIGHT DIMMER SWITCH ASSEMBLY
- Disconnect the connector.
- Release the claw fitting and remove the headlight dimmer switch assembly.
INSPECTION
1. HEADLIGHT DIMMER SWITCH ASSEMBLY
- Inspect light control switch resistance.
- Check that there is resistance between the terminals at each switch position as shown in the chart.
Resistance
- Inspect light control switch resistance.
- Check that there is resistance between the terminals at each switch position as shown in the chart.
Resistance
- Inspect light control switch resistance.
- Check that there is resistance between the terminals at each switch position as shown in the chart.
Resistance
- Inspect light control switch resistance.
- Check that there is resistance between the terminals at each switch position as shown in the chart.
Resistance
INSTALLATION
1. INSTALL HEADLIGHT DIMMER SWITCH ASSEMBLY
2. INSTALL STEERING COLUMN UPPER COVER
3. INSTALL STEERING COLUMN LOWER COVER
Vanity light
ON-VEHICLE INSPECTION
1. LH VISOR ASSEMBLY
Inspect vanity light resistance.
check that the resistance exists between the
terminal 1 and the terminal 2 when the light is
oper ...
Turn signal light switch
ON-VEHICLE INSPECTION
1. INSPECT TURN SIGNAL FLASHER CIRCUIT
Measure voltage between the terminals as shown in
the chart below.
Voltage
Connect the connector to turn the si ...
Other materials:
Data list / active test
HINT:
By accessing the DATA LIST displayed on the intelligent
tester, you can perform such functions as reading the values
of switches and sensors without removing any parts. Reading
the DATA LIST as the first step in troubleshooting is one
method to shorten labor time.
1. DATA LIST FOR CENTER ...
Inspection
1. INSPECT RUNOUT OF DIFFERENTIAL RING GEAR
(a) Using a dial gauge , check the runout of the ring
gear.
Maximum runout:
0.07 mm (0.0028 in.)
If the runout is greater than the maximum, replace
the ring gear with a new one.
2. INSPECT DIFFERENTIAL RING GEAR BACKLASH
(a) Using a dial gauge, ...
Circuit opening relay
Inspection
1. INSPECT CIRCUIT OPENING RELAY
Using an ohmmeter, measure the resistance
according to the value(s) in the table below.
Standard resistance
If the result is not as specified, replace the relay. ...
