How To Proceed With Troubleshooting

SEAT BELT: SEAT BELT WARNING SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING

HINT
* Use these procedures to troubleshoot the seat belt warning system.
* *: Use Techstream.
1. VEHICLE BROUGHT TO WORKSHOP

NEXT -- Continue to next step.

2. INSPECT BATTERY VOLTAGE

Standard voltage:

11 to 14 V

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

NEXT -- Continue to next step.

3. CHECK FUNCTION OF AIRBAG SYSTEM*

(a) Use Techstream to check if the airbag system is functioning normally.





B -- GO TO AIRBAG SYSTEM
A -- Continue to next step.

4. CHECK FUNCTION OF OCCUPANT CLASSIFICATION SYSTEM*

(a) Use Techstream to check if the occupant classification system is functioning normally.





B -- GO TO OCCUPANT CLASSIFICATION SYSTEM
A -- Continue to next step.

5. CHECK COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM (CAN)*

(a) Use Techstream to check if the CAN Communication System (CAN) is functioning normally.





B -- GO TO CAN COMMUNICATION SYSTEM
A -- Continue to next step.

6. PROBLEM SYMPTOMS TABLE





B -- Go to step 8
A -- Continue to next step.

7. 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.

8. REPAIR OR REPLACE

NEXT -- Continue to next step.

9. CONFIRMATION TEST

NEXT -- END