How To Proceed With Troubleshooting
SEAT BELT: SEAT BELT WARNING SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING
HINT
* Use this procedure to troubleshoot the seat belt warning system.
* *: Use the Techstream.
1. VEHICLE BROUGHT TO WORKSHOP
NEXT -- Continue to next step.
2. CUSTOMER PROBLEM ANALYSIS
(a) Interview the customer to confirm the trouble How To Proceed With Troubleshooting.
NEXT -- Continue to next step.
3. INSPECT AUXILIARY BATTERY VOLTAGE
(a) Measure the auxiliary battery voltage with the power switch off.
Standard Voltage:
11 to 14 V
If the voltage is below 11 V, recharge or replace the auxiliary battery before proceeding to the next step.
NEXT -- Continue to next step.
4. CHECK COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*
(a) Use the Techstream to check if the CAN communication system is functioning normally Diagnosis System.
Result:
B -- GO TO CAN COMMUNICATION SYSTEM How to Proceed With Troubleshooting
A -- Continue to next step.
5. CHECK DTC OUTPUT (AIRBAG SYSTEM)*
(a) Clear the DTCs Reading and Clearing Diagnostic Trouble Codes.
(b) Recheck for DTCs Reading and Clearing Diagnostic Trouble Codes.
Result:
B -- GO TO AIRBAG SYSTEM How To Proceed With Troubleshooting
A -- Continue to next step.
6. CHECK DTC OUTPUT (OCCUPANT CLASSIFICATION SYSTEM)*
(a) Clear the DTCs Reading and Clearing Diagnostic Trouble Codes.
(b) Recheck for DTCs Reading and Clearing Diagnostic Trouble Codes.
Result:
B -- GO TO OCCUPANT CLASSIFICATION SYSTEM How To Proceed With Troubleshooting
A -- Continue to next step.
7. PROBLEM SYMPTOMS TABLE
(a) Refer to Problem Symptoms Table Problem Symptoms Table.
Result:
B -- Go to step 9
A -- Continue to next step.
8. OVERALL ANALYSIS AND TROUBLESHOOTING*
(a) Data List / Active Test Scan Tool Testing and Procedures
(b) Terminals of ECU Pinout Values and Diagnostic Parameters
(c) On-vehicle Inspection Component Tests and General Diagnostics
NEXT -- Continue to next step.
9. REPAIR OR REPLACE
NEXT -- Continue to next step.
10. CONFIRMATION TEST
NEXT -- END