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Home › Toyota › 2002 › 4Runner Base › Repair and Diagnosis › Body & Frame › Body, Cab Control Systems › Body Control Systems - Diagnostics › Circuit Inspection › Front And Rear Door Courtesy Switch Circuit › Inspection Procedure

Inspection Procedure

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