How To Proceed With Troubleshooting

HINT:

• Use these procedures to troubleshoot the seat belt warning system.
• *: Use the intelligent tester.

1. VEHICLE BROUGHT TO WORKSHOP 
2. INSPECT BATTERY VOLTAGE 

   Standard voltage: 

   11 to 14 V 

   If the voltage is below 11V, recharge or replace the battery before proceeding.

3. CHECK FOR DTC (OCCUPANT CLASSIFICATION SYSTEM) 
   1. Check for occupant classification system DTCs.

      Result 

      RESULT CHART
      
      

      Result	Proceed to
      DTC is not output	A
      DTC is output	B

   B:  Go to OCCUPANT CLASSIFICATION SYSTEM

   A: Go to next step 

4. CHECK FOR DTC (AIRBAG SYSTEM) 
   1. Check for airbag system DTCs.

      Result 

      RESULT CHART
      
      

      Result	Proceed to
      DTC is not output	A
      DTC is output	B

   B:  Go to AIRBAG SYSTEM

   A: Go to next step 

5. PROBLEM SYMPTOMS TABLE 

   Result 

   RESULT CHART
   
   

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

   B: Go to step  7

   A: Go to next step 

6. OVERALL ANALYSIS AND TROUBLESHOOTING* 
   1. Terminals of ECU (see TERMINALS OF ECU  )
   2. DATA LIST / ACTIVE TEST (see DATA LIST / ACTIVE TEST  )
7. REPAIR OR REPLACE 
8. CONFIRMATION TEST 

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