Toyota Tundra Service Manual: Problem Symptoms Table

PROBLEM SYMPTOMS TABLE

HINT:

Use the table below to help determine the cause of the problem symptom. The potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.

Key reminder warning system

Symptom

Suspected Area

See page

Key reminder buzzer does not sound

Unlock warning switch

Front door courtesy light switch LH

Harness and connector

Main body ECU

Combination meter

Can communication system

    Parts Location

    System Description

    See More:

    Toyota Tundra Service Manual > Lighting System: IG Signal Circuit
    DESCRIPTION This circuit detects the ignition switch ON or off condition, and sends it to the main body ECU (multiplex network body ECU). WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: Inspect the fuses for circuits related to this system before performing the following procedure. PROCEDURE 1. READ ...

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    Toyota Tundra Service Manual

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