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How To Proceed With Troubleshooting

  1. VEHICLE BROUGHT TO WORK SHOP 
    1. Go To Next step
  2. CUSTOMER PROBLEM ANALYSIS (See page  CUSTOMER PROBLEM ANALYSIS CHECK  ) 
    1. Go To Next step
  3. CHECK BODY MULTIPLEX COMMUNICATION SYSTEM (See page  MULTIPLEX COMMUNICATION SYSTEM  ) 
    1. Check that the DTC is output.
    1. DTC IS OUTPUT (PROCEED TO "BODY MULTIPLEX COMMUNICATION SYSTEM") 
    2. DTC IS NOT OUTPUT (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 (See page  HOW TO PROCEED WITH TROUBLESHOOTING  ) 
    1. Go To Next step
  6. DTC CHECK (See page  PRE-CHECK  ) 
    1. MALFUNCTION CODE (GO TO STEP 7) 
    2. NORMAL CODE (GO TO STEP   8 ) 
  7. DTC CHART (See page  DIAGNOSTIC TROUBLE CODE CHART  ) 
    1. GO TO STEP   9 
  8. PROBLEM SYMPTOMS TABLE (See page  PROBLEM SYMPTOMS TABLE  ) 
    1. Go To Next step
  9. CIRCUIT INSPECTION (See page  DTC P0500/21 VEHICLE SPEED SENSOR "A" DTC P0503/23 VEHICLE SPEED SENSOR "A" INTERMITTENT/ERRATIC/HIGH   - 05-1660) 
    1. Go To Next step
  10. TERMINALS OF ECM (See page  TERMINALS OF ECM  ) 
    1. Go To Next step
  11. IDENTIFICATION OF PROBLEM 
    1. Go To Next step
  12. REPAIR OR REPLACE 
    1. Go To Next step
  13. CONFIRMATION TEST 
    1. END 
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