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Home >> Toyota >> 2002 >> 4Runner Base >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Back Door Control System >> Circuit Inspection >> Wireless Door Lock Buzzer Circuit >> Inspection Procedure
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Inspection Procedure

  1. Check wireless door lock buzzer. See  WIRELESS DOOR LOCK CONTROL SYSTEM  .
    1. NG: Replace wireless door lock buzzer. 
    2. OK: Go to next step 
  2. Check  HARNESS AND CONNECTOR BETWEEN WIRELESS DOOR LOCK BUZZER 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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