How To Proceed With Troubleshooting

Troubleshoot in accordance with the procedure on the following pages.

1. VEHICLE BROUGHT IN 

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2. CUSTOMER PROBLEM ANALYSIS CHECK AND SYMPTOM CHECK (See  CUSTOMER PROBLEM ANALYSIS CHECK   ) 

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3. INSPECT COMMUNICATION FUNCTION OF LARGE-SCALE BODY MULTIPLEX COMMUNICATION SYSTEM (BEAN) 
   1. Check that there is no abnormality in the communication system by inspecting the communication function of the body multiplex communication system with the hand-held tester.
      1. (ECU unconnected, communication line abnormal) Without code outputs, proceed to "A".
      2. (ECU unconnected, communication line abnormal) With code outputs, proceed to "B".

      B: GO TO  HOW TO PROCEED WITH TROUBLESHOOTING  ) 

      A: Go To Next Step 

4. (See  DIAGNOSTIC TROUBLE CODE CHART   ) 
   1. Check the diagnostic trouble code.
      1. Without code outputs, proceed to "A".
      2. With code outputs, proceed to "B".

      B: Go to step   7 

      A: Go To Next Step 

5. (See  PROBLEM SYMPTOMS TABLE   ) 
   1. Without applicable symptoms, proceed to "A".
   2. With applicable symptoms, proceed to "B".

   B: Go to step   7 

   A: Go To Next Step 

6. PERFORM TROUBLESHOOTING IN FOLLOWING METHOD, DEPENDING ON MALFUNCTION SYMPTOM 
   1. (See PRE-CHECK  )
      1. Inspection with the hand-held tester (ECU DATA LIST)
      2. Inspection with the hand-held tester (ACTIVE TEST)
   2. (See TERMINALS OF ECU  )
   3. (See ON-VEHICLE INSPECTION )
7. ADJUSTMENT, REPAIR OR REPLACEMENT 

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   END