Toyota Tundra Service Manual: Headlight Dimmer Relay

Toyota Tundra Service Manual / Vehicle Interior / Lighting / Headlight Dimmer Relay

On-vehicle Inspection

ON-VEHICLE INSPECTION

PROCEDURE

1. INSPECT HEADLIGHT DIMMER RELAY

(a) Remove the headlight dimmer relay from the engine room relay box.

(b) Check the resistance.

(1) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

3 - 5

Battery voltage not applied to terminals 1 and 2

10 kΩ or higher

Battery voltage applied to terminals 1 and 2

Below 1 Ω

3 - 4

Battery voltage not applied to terminals 1 and 2

Below 1 Ω

Battery voltage applied to terminals 1 and 2

10 kΩ or higher

If the result is not as specified, replace the headlight dimmer relay.

(c) Install the headlight dimmer relay to the engine room relay box.

    Removal

    Headlight Dimmer Switch

    See More:

    Toyota Tundra Service Manual > Audio / Video: Stereo Jack Adapter Assembly(for Floor Shift Type)
    ComponentsCOMPONENTS ILLUSTRATION InstallationINSTALLATION PROCEDURE 1. INSTALL NO. 1 STEREO JACK ADAPTER ASSEMBLY (a) Attach the 2 claws to install the No. 1 stereo jack adapter assembly. 2. INSTALL AIR CONDITIONING CONTROL ASSEMBLY 3. INSTALL UPPER CONSOLE PANEL SUB-ASSEMBLY 4. INSTALL REAR UPPER ...

    Toyota Tundra Owners Manual

    Toyota Tundra Service Manual

    © 2026 Copyright www.ttundra.com
    0.0094