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How To Proceed With Troubleshooting

WARNING: This page is about a different car, the 2003 Toyota 4Runner. However, it is still accessible from the selected car via links, so may be relevant.
  1. Vehicle Brought to Workshop 
  2. See  CUSTOMER PROBLEM ANALYSIS CHECK 
  3. Problem Symptom Confirmation  See ELECTRONIC CIRCUIT INSPECTION PROCEDURE
    1. Symptom does not occur:  Go to next step.
    2. Symptom occurs:  Go to step  5.
  4. SYMPTOM SIMULATION
  5. DTC Check  See PRE-CHECK 
    1. Normal code:  Go to step  7.
    2. Malfunction code:  Go to next step.
  6. DTC Chart  See DIAGNOSTIC TROUBLE CODE CHART 
    1. Go to step   8 
  7. PROBLEM SYMPTOMS TABLE 
  8. Terminal of ECU  See TERMINALS OF ECU .
  9. Identification of Problem 
  10. Repair or Replace 
  11. Confirmation Test 
    1. End