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Home >> Toyota >> 2002 >> 4Runner Base >> Repair and Diagnosis >> Body & Frame >> Body, Cab Control Systems >> Body Control Systems - Diagnostics >> Circuit Inspection >> Key Unlock Warning Switch Circuit >> Inspection Procedure
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Inspection Procedure

  1. Check key unlock warning switch. See  INSPECTION  . 
    1. NG Replace key unlock warning switch. 
    2. OK Go to next step 
  2. CHECK HARNESS AND CONNECTOR BETWEEN KEY UNLOCK WARNING SWITCH AND BODY ECU  . 
    1. NG Repair or replace harness or connector. 
    2. OK Proceed to next circuit inspection shown on problem symptoms table. See  PROBLEM SYMPTOMS TABLE  . 
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