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Home › Toyota › 2002 › 4Runner Base › Repair and Diagnosis › Body & Frame › Door Locks › Back Door Control System › Circuit Inspection › Back Door Courtesy Switch Circuit › Inspection Procedure

Inspection Procedure

  1. Check back door courtesy switch. See  INTERIOR/ILLUMINATION LIGHTS  . 
    1. NG: Replace back door courtesy. 
    2. OK: Go to next step 
  2. Check  HARNESS AND CONNECTOR BETWEEN BACK DOOR COURTESY 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  . 
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