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How To Proceed With Troubleshooting

WARNING: This page is about a different car, the 2004 Toyota Sienna. However, it is still accessible from the selected car via links, so may be relevant.
  1. VEHICLE BROUGHT TO WORK SHOP 
    1. Go To Next Step. 
  2. CUSTOMER PROBLEM ANALYSIS, see  CUSTOMER PROBLEM ANALYSIS CHECK  
    1. Go To Next Step. 
  3. CHECK AND CLEAR DTC, see  PRE-CHECK  
    1. DTC DOES NOT OUTPUT (PROCEED TO "BODY MULTIPLEX COMMUNICATION SYSTEM") 
    2. DTC OUTPUTS (GO TO STEP 4) 
  4. PROBLEM SYMPTOM CONFIRMATION 
    1. SYMPTOM DOES NOT OCCUR (GO TO STEP 5) 
    2. SYMPTOM OCCURS (GO TO STEP   6 ) 
  5. SYMPTOM SIMULATION 
    1. Go To Next Step. 
  6. DTC CHECK, see  PRE-CHECK  . 
    1. MALFUNCTION CODE (GO TO STEP 7) 
    2. NORMAL CODE (GO TO STEP   8 ) 
  7. DTC CHART, see  DIAGNOSTIC TROUBLE CODE CHART  . 
    1. Go To Next Step. 
    2. GO TO STEP   9 
  8. PROBLEM SYMPTOMS TABLE  
    1. Go To Next Step. 
  9. CIRCUIT INSPECTION, see  DTC P0500/21 VEHICLE SPEED SENSOR "A", DTC P0503/23 VEHICLE SPEED SENSOR "A" INTERMITTENT/ERRATIC/HIGH   - 05-1680) 
    1. Go To Next Step. 
  10. IDENTIFICATION OF PROBLEM 
    1. Go To Next Step. 
  11. REPAIR OR REPLACE 
    1. Go To Next Step. 
  12. CONFIRMATION TEST 
    1. Go To Next Step. 
    2. END 

    HINT:

    Step 3, 6, 9, 13:

    Diagnostic steps permit the use of the hand-held tester.

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