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Home >> Toyota >> 2004 >> Matrix Base, FWD, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 554 (Audio & Visual System - Diagnostics) >> Circuit Inspection >> 4. Turning Light Control Switch "Tail" Does Not Turn On Radio Receiver Switches. >> Inspection Procedure
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Inspection Procedure

WARNING: This page is about a different car, the 2003 Toyota Sequoia. However, it is still accessible from the selected car via links, so may be relevant.
  1. Element check mode (See  PRE-CHECK  ). 
    1. NG : No problem. 
    2. NG : Go To Next Step. 
  2. Check wire harness and connector. 

    PREPARATION:

    Disconnect the radio and player connector.

    CHECK:

    1. Continuity of the wire harness between terminal ILL+ of radio and player and battery.
    2. Continuity of the wire harness between terminal ILL- of radio and player and terminal ILL- of light control rheostat.

    OK:

    1. Continuity 
    1. OK : Replace radio and player (See  HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE  ). 
    2. NG : Replace and repair wire harness (See  HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE  ).