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Home >> Lexus >> 2004 >> ES 330 >> Repair and Diagnosis >> External Pages >> Different car >> Section 309 (Lighting System - Diagnostics) >> Lighting System >> Generator Signal Circuit >> Inspection Procedure
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Inspection Procedure

WARNING: This page is about a different car, the 2005 Toyota Sienna. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK HARNESS AND CONNECTOR (ECM - GENERATOR ASSY) 
    1. Check for open or short circuit in the harness and connector between ECM and generator assy (See ELECTRONIC CIRCUIT INSPECTION PROCEDURE ).
    1. NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 
    2. OK: GO TO NEXT STEP 
  2. INSPECT GENERATOR ASSY 
    1. Inspect the generator assy (See OVERHAUL ).
    1. NG: CHECK AND REPLACE GENERATOR ASSY 
    2. OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN  PROBLEM SYMPTOMS TABLE  
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