Toyota Tundra Service Manual: Headlight Relay

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

On-vehicle Inspection

ON-VEHICLE INSPECTION

PROCEDURE

1. INSPECT HEADLIGHT RELAY

(a) Remove the headlight 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

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

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

    Removal

    High Beam Main Switch

    See More:

    Toyota Tundra Service Manual > Center Airbag Sensor Assembly(for Floor Shift Type): Removal
    REMOVAL PROCEDURE 1. PRECAUTION CAUTION: Be sure to read precaution thoroughly before servicing. Click here NOTICE: After turning the ignition switch off, waiting time may be required before disconnecting the cable from the negative (-) battery terminal. Therefore, make sure to read the disconnectin ...

    Toyota Tundra Owners Manual

    Toyota Tundra Service Manual

    © 2025 Copyright www.ttundra.com
    0.0099