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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  CUSTOMER PROBLEM ANALYSIS CHECK  . 
    1. GO TO NEXT STEP 
  3. CHECK BODY MULTIPLEX COMMUNICATION SYSTEM, see  HOW TO PROCEED WITH TROUBLESHOOTING  . 
    1. Check that the DTC output.
    1. DTC OUTPUTS (PROCEED TO  DIAGNOSTICS TROUBLE CODE CHART  ) 
    2. DTC DOES 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 
    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 STEP   9 
  8. PROBLEM SYMPTOMS TABLE. See  PROBLEM SYMPTOMS TABLE  . 
    1. GO TO NEXT STEP 
  9. CIRCUIT INSPECTION. See  DTC P0500/21 VEHICLE SPEED SENSOR CIRCUIT, DTC P0500/23 VEHICLE SPEED SENSOR CIRCUIT   -  CRUISE MAIN INDICATOR LIGHT CIRCUIT  . 
    1. GO TO NEXT STEP 
  10. TERMINAL OF ECU. See  TERMINALS OF ECU  . 
    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 
    2. GO TO NEXT STEP 
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