How To Proceed With Troubleshooting

HINT:

• Use these procedures to troubleshoot the occupant classification system.
• *: Use a Techstream.

1. VEHICLE BROUGHT TO WORKSHOP 
2. CUSTOMER PROBLEM ANALYSIS 
   1. Confirm customer problem symptoms (See HOW TO PROCEED WITH TROUBLESHOOTING ).
3. CHECK FOR DTC* 
   1. Check for DTCs and note any codes that are output (See DTC CHECK / CLEAR  ).
   2. Check for DTCs (See DTC CHECK / CLEAR  ).
   3. Recheck for DTCs (See DTC CHECK / CLEAR  ). Based on the DTCs output above, try to force output of the same CAN communication system DTC or occupant classification system DTC by simulating the symptoms indicated by the DTC.

      Result 

      RESULT CHART
      
      

      Result	Proceed to
      DTC does not output	A
      CAN communication system DTC outputs	B
      Occupant classification system DTC outputs	C

   B: Go to DIAGNOSTIC TROUBLE CODE CHART  (See DIAGNOSIS SYSTEM )

   C:  Go to DIAGNOSTIC TROUBLE CODE CHART 

   A: Go to next step 

4. PROBLEM SYMPTOMS TABLE 
   1. Refer to the PROBLEM SYMPTOMS TABLE  .

      Result 

      RESULT CHART
      
      

      Result	Proceed to
      Fault is not listed in problem symptoms table	A
      Fault is listed in problem symptoms table	B

   B:  Go to step  6

   A: Go to next step 

5. OVERALL ANALYSIS AND TROUBLESHOOTING* 
   1. Terminals of ECU (See TERMINALS OF ECU  )
   2. DATA LIST / ACTIVE TEST (See DTC CHECK / CLEAR  )
6. REPAIR OR REPLACE 
7. CONFIRMATION TEST* 

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