Toyota Sienna Quiz
Lighting

Headlight dimmer switch

In this manual: Lighting
Introduction — 55Service specifications — 7Maintenance — 7Engine — 264U151e automatic transaxle — 108Transfer — 19Propeller shaft — 8Drive shaft — 14Differential — 16Axle — 18Suspension — 37Tire and wheel — 54Brake control — 141Parking brake — 16Steering Column — 11Power steering — 18Air conditioning — 106Supplemental restraint system — 146Seat belt — 22Theft deterrent — 14Engine immobiliser — 17Cruise control — 65Lighting — 61Wiper and washer — 13Door lock — 42Meter — 28Audio / visual — 94Navigation — 108Park assist / monitoring — 33Horn — 5Garage door opener — 42GR-FE Engine control system — 126Supplemental restraint system — 147Other system — 14Windshield / windowglass — 43Mirror — 23Instrument panel — 6Seat belt — 22Seat — 92Engine hood / door — 104Exterior — 39Interior — 5Sliding roof — 9Multiplex communication — 18Can communication — 23
10steps
~60min
3/5difficulty
Done 0 of 10

COMPONENTS

COMPONENTS

REMOVAL

1. REMOVE STEERING COLUMN LOWER COVER

2. REMOVE STEERING COLUMN UPPER COVER

3. REMOVE HEADLIGHT DIMMER SWITCH ASSEMBLY

REMOVE HEADLIGHT DIMMER SWITCH ASSEMBLY
  1. Disconnect the connector.
  2. Release the claw fitting and remove the headlight dimmer switch assembly.

INSPECTION

1. HEADLIGHT DIMMER SWITCH ASSEMBLY

HEADLIGHT DIMMER SWITCH ASSEMBLY
  1. Inspect light control switch resistance.
  2. Check that there is resistance between the terminals at each switch position as shown in the chart.

Resistance

Resistance
  1. Inspect light control switch resistance.
  2. Check that there is resistance between the terminals at each switch position as shown in the chart.

Resistance

Resistance
  1. Inspect light control switch resistance.
  2. Check that there is resistance between the terminals at each switch position as shown in the chart.

Resistance

Resistance
  1. Inspect light control switch resistance.
  2. Check that there is resistance between the terminals at each switch position as shown in the chart.

Resistance

Resistance

INSTALLATION

1. INSTALL HEADLIGHT DIMMER SWITCH ASSEMBLY

2. INSTALL STEERING COLUMN UPPER COVER

3. INSTALL STEERING COLUMN LOWER COVER

Test yourself

A quick Toyota Sienna quiz: every answer comes with an explanation and a link to the manual page.