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How To Proceed With Troubleshooting

WARNING: This page is about a different car, the 2004 Toyota 4Runner. However, it is still accessible from the selected car via links, so may be relevant.
  1. Vehicle Brought to Workshop 
  2. Customer Problem Analysis (See  CUSTOMER PROBLEM ANALYSIS CHECK  ) 
  3. Problem Symptom Confirmation (See  ELECTRONIC CIRCUIT INSPECTION PROCEDURE  ) 

    Symptom does not occur (Go to step 4) 

    Symptom occurs (Go to step   5 ) 

  4. Symptom Simulation (See  ELECTRONIC CIRCUIT INSPECTION PROCEDURE  ) 
  5. DTC Check (See  PRE-CHECK  ) 

    Normal code (Go to step   7 ) 

    Malfunction code (Go to step 6) 

  6. DTC Chart (See  DIAGNOSTIC TROUBLE CODE CHART  ) 

    Go: To Step   8 

  7. Problem Symptoms Table (See  PROBLEM SYMPTOMS TABLE  ) 
  8. Terminal of ECU (See  TERMINALS OF ECU  ) 
  9. Identification of Problem 
  10. Repair or Replace 
  11. Confirmation Test 

    End