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Home >> Toyota >> 2004 >> Tundra Base, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 477 (Body Control Systems - Diagnostics) >> Body Control System >> Circuit Inspection >> Headlight Dimmer Switch Circuit >> Inspection Procedure
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Inspection Procedure

WARNING: This page is about a different car, the 2006 Toyota Tundra and 2005 Toyota Tundra. However, it is still accessible from the selected car via links, so may be relevant.
  1. Check headlight dimmer switch (See  INSPECTION  ). 
    1. NG: Replace headlight dimmer switch. 
    2. OK: Go to next step 
  2. Check wire harness and connector between headlight dimmer switch and body ECU (See  HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE  ). 
    1. NG: Repair or replace wire harness and connector. 
    2. OK: Proceed to next circuit inspection shown on  PROBLEM SYMPTOMS TABLE   . 
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