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Home >> Toyota >> 2002 >> 4Runner Base >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Back Door Control System >> Circuit Inspection >> Back Door Unlock Detection Switch Circuit (W/Theft Deterrent System) >> Inspection Procedure

Inspection Procedure

  1. Check back door unlock detection switch. See  POWER DOOR LOCK CONTROL SYSTEM  . 
    1. NG: Replace door lock motor. 
    2. OK: Go to next step 
  2. Check  HARNESS AND CONNECTOR BETWEEN DOOR UNLOCK DETECTION SWITCH AND BACK DOOR ECU  . 
    1. NG: Repair or replace harness or connector. 
    2. OK: Proceed to next circuit inspection shown on problem symptoms table. See  PROBLEM SYMPTOMS TABLES  .