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Home >> Toyota >> 2002 >> Sienna LE >> Repair and Diagnosis >> Body & Frame >> Body, Cab Control Systems >> Body Control Systems - Diagnostics >> Circuit Inspection >> Key Unlock Warning Switch Circuit >> Inspection Procedure
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Inspection Procedure

  1. Check Key Unlock Warning Switch. See Step 2 Of  INSPECTION  in IGNITION SWITCH AND KEY UNLOCK WARNING SWITCH. 
    1. NG: Replace the key unlock warning switch. 
    2. OK: Go to next step. 
  2. Check Wire Harness And Connector Between Key Unlock Warning Switch And Body 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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