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Home >> Toyota >> 2004 >> Matrix Base, FWD, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 858 (LEXUS Navigation System - Diagnosis) >> Circuit Inspection >> 32. Turning Light Control switch to "TAIL" does not light up radio receiver switches. >> Inspection Procedure
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Inspection Procedure

WARNING: This page is about a different car, the 2003 Lexus LS 430. However, it is still accessible from the selected car via links, so may be relevant.
  1. Check radio and player. 

    CHECK: 

    Check terminal ILL+.

    OK: 

    ILL+: See "Radio and Player" of "TERMINAL OF ECU". 

    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  ).