Toyota Tundra Service Manual: Inspection

INSPECTION

PROCEDURE

1. INSPECT AUTO HIGH BEAM SWITCH

(a) Check the resistance.

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

Standard Resistance:

Tester Connection

Switch Condition

Specified Condition

If the result is not as specified, replace the auto high beam switch.

6(+B) - (E)

Auto high beam switch ON

Below 1 Ω

Auto high beam switch OFF

10 kΩ or higher

Text in Illustration

*a

Component without harness connected

(Auto High Beam Switch)

(b) Check the illumination.

(1) Apply battery voltage to the connector and check the illumination condition.

OK:

Battery Connection

Specified Condition

If the result is not as specified, replace the auto high beam switch.

Positive (+) → 5(ILL+)

Negative (-) → 4(ILL-)

Illuminates

Text in Illustration

*a

Component without harness connected

(Auto High Beam Switch)

    Components

    Installation

    See More:

    Toyota Tundra Service Manual > Audio And Visual System: Illumination Circuit
    DESCRIPTION Power is supplied to the radio and display receiver assembly and steering pad switch assembly illumination when the light control switch is in the tail or head position. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: The vehicle is equipped with a Supplemental Restraint System (SRS) whic ...

    Toyota Tundra Owners Manual

    Toyota Tundra Service Manual

    © 2026 Copyright www.ttundra.com
    0.012