Toyota Tundra Service Manual: Inspection

Toyota Tundra Service Manual / Vehicle Interior / Lighting / High Beam Main Switch / 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 > Seat Belt Warning System: Terminals Of Ecu
    TERMINALS OF ECU 1. CHECK COMBINATION METER ASSEMBLY (a) Disconnect the J28 combination meter assembly connector. (b) Disconnect the J28 combination meter assembly connector. (c) Measure the resistance and voltage according to the value(s) in the table below. Terminal No. (Symbol) Wiring Color Termi ...

    Toyota Tundra Owners Manual

    Toyota Tundra Service Manual

    © 2025 Copyright www.ttundra.com
    0.0305