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Home >> Toyota >> 2004 >> Matrix Base, FWD, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 549 (Body Control Systems - Diagnostics) >> Circuit Inspection >> Automatic light control sensor circuit >> Inspection Procedure
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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 automatic light control sensor (See  INSPECTION  ). 
    1. NG : Replace automatic light control sensor. 
    2. OK : Go To Next Step. 
  2. Check harness and connector between automatic light control sensor and body ECU (See  HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE  ). 
    1. NG : Repair or replace wire harness or connector. 
    2. OK : Go To Next Step. 
  3. Does the system operate normally after replacement of automatic light control sensor. 
    1. Yes : Replace automatic light control sensor. 
    2. NO : Proceed to next inspection shown in  PROBLEM SYMPTOMS TABLE  . 
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