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Home >> Toyota >> 2004 >> Tundra Base, Automatic >> Repair and Diagnosis >> Body & Frame >> Body, Cab Control Systems >> Body Control Systems - Diagnostics >> Circuit Inspection >> Door Courtesy Switch Circuit >> Inspection Procedure

Inspection Procedure

  1. Check door courtesy switch (See  INTERIOR LIGHT SYSTEM  ). 
    1. NG: Replace courtesy switch. 
    2. OK: Go to next step 
  2. Check wire harness and connector between courtesy 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 (See  PROBLEM SYMPTOMS TABLE  ). 
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