How To Proceed With Troubleshooting

HINT:

• Use the following 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 to the next step.

3. CHECK COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM (CAN)* 
   1. Use the intelligent tester to check if the CAN Communication System (CAN) is functioning normally.

      Result 

      RESULT CHART
      
      

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

   B:  GO TO CAN COMMUNICATION SYSTEM

   A: Go to Next Step 

4. PROBLEM SYMPTOMS TABLE 

   HINT:

   See PROBLEM SYMPTOMS TABLE  .

5. OVERALL ANALYSIS AND TROUBLESHOOTING* 
   1. See DATA LIST / ACTIVE TEST 
   2. See TERMINALS OF ECU 
   3. See ON-VEHICLE INSPECTION 
6. REPAIR OR REPLACE 
7. CONFIRMATION TEST 

   NEXT: END