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Home >> Toyota >> 2004 >> Tacoma PreRunner, 2D Pickup >> Repair and Diagnosis >> Body & Frame >> Body, Cab Control Systems >> Body Control Systems - Diagnostics >> Circuit Inspection >> Key Unlock Warning Switch Circuit >> Inspection Procedure

Inspection Procedure

  1. Check Key Unlock Warning Switch. See  KEY UNLOCK WARNING SWITCH  . 
    1. NG: Replace key unlock warning switch. 
    2. OK: Go to next step. 
  2. Check for harness and connector between key unlock warning switch and body ECU. See  HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE  . 
    1. NG: Repair or replace harness or connector. 
    2. OK: Proceed to next circuit inspection shown in  PROBLEM SYMPTOMS TABLE  . 
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