SEAT BELT WARNING SYSTEM (w/ Occupant Classification System) HOW TO PROCEED WITH TROUBLESHOOTING

VEHICLE BROUGHT TO WORKSHOP

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CUSTOMER PROBLEM ANALYSIS

1. Interview the customer to confirm the trouble Click here.

   
   

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INSPECT BATTERY VOLTAGE

1. Measure the battery voltage .

   Standard Voltage
   11 to 14 V

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

   
   

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CHECK COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*

1. Use the GTS to check if the CAN communication system is functioning normally Click here.

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

   
   

   B

   GO TO CAN COMMUNICATION SYSTEM Click here

   A

CHECK DTC OUTPUT (AIRBAG SYSTEM)*

1. Clear DTCs Click here.

2. Recheck for DTCs Click here.

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

   
   

   B

   GO TO AIRBAG SYSTEM Click here

   A

CHECK DTC OUTPUT (OCCUPANT CLASSIFICATION SYSTEM)*

1. Clear DTCs Click here.

2. Recheck for DTCs Click here.

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

   
   

   B

   GO TO OCCUPANT CLASSIFICATION SYSTEM Click here

   A

CHECK COMBINATION METER ASSEMBLY

1. Check that the operation of the speedometer, shift indicator and brake warning light on the combination meter assembly.

   OK
   The speedometer, shift indicator and brake warning light on the combination meter assembly operate normally.

   
   

   NG

   GO TO METER / GAUGE SYSTEM Click here

   OK

PROBLEM SYMPTOMS TABLE

1. Refer to Problem Symptoms Table Click here.

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

   
   

   B

   Go to step 10

   A

OVERALL ANALYSIS AND TROUBLESHOOTING*

1. Data List / Active Test Click here

2. Terminals of ECU Click here

3. On-vehicle Inspection Click here

   
   

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REPAIR OR REPLACE

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CONFIRMATION TEST

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