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How To Proceed With Troubleshooting

WARNING: This page is about a different car, the 2004 Lexus ES 330. However, it is still accessible from the selected car via links, so may be relevant.

Troubleshoot in accordance with the procedure.

  1. VEHICLE BROUGHT IN 
  2. CUSTOMER PROBLEM ANALYSIS CHECK AND PROBLEM SYMPTOM CONFIRMATION (See  CUSTOMER PROBLEM ANALYSIS CHECK   ) 
  3. PROBLEM SYMPTOMS TABLE (See  PROBLEM SYMPTOMS TABLE   ) 
    1. Without an applicable problem symptom table, proceed to "A".
    2. With an applicable problem symptom table, proceed to "B".

    B Go to step   5 

    A: Go to next step. 

  4. ACCORDING TO PROBLEM SYMPTOM, PERFORM TROUBLESHOOTING 
    1. Pre-check (See PRE-CHECK  )
      1. Inspection with the hand-held tester (ECU data monitor)
      2. Inspection with the hand-held tester (Active test)
    2. Terminals of ECU (See TERMINALS OF ECU  )
  5. ADJUSTMENT, REPAIR OR REPLACE 

    END