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Inspection Procedure

WARNING: This page is about a different car, the 2003 Toyota Sequoia. However, it is still accessible from the selected car via links, so may be relevant.
  1. Check HEAD relay (See  INSPECTION  ). 
    1. NG : Replace the HEAD relay. 
    2. OK : Go To Next Step. 
  2. Check wire harness and connector between HEAD relay and body ECU, battery and HEAD relay (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 in  PROBLEM SYMPTOMS TABLE   .