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Home › Toyota › 2002 › Sienna XLE › Repair and Diagnosis › Body & Frame › Body, Cab Control Systems › Body Control Systems - Diagnostics › Circuit Inspection › Door Courtesy Switch Circuit › Inspection Procedure

Inspection Procedure

  1. Check Operation Of Door Courtesy Light. 

    CHECK: 

    Check that door courtesy light comes on when door opened, and goes off when door is closed.

    OK: 

    Must be operated normally. 

    1. OK: Proceed to next circuit inspection shown on problem symptom table. See  PROBLEM SYMPTOMS TABLES  . 
    2. OK: Go to next step. 
  2. Check Courtesy Switch. 
    1. NG: Replace the courtesy switch. 
    2. OK: Go to next step. 
  3. Check Wire Harness And Connector Between Courtesy Light And Body ECU, Courtesy Switch And Body Door ECU. See  HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE  . 
    1. NG: Repair or replace wire harness or connector. 
    2. OK: Proceed to next circuit inspection shown on problem symptoms table. See  PROBLEM SYMPTOMS TABLES  . 
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