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 the 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 FOR DTC*

(a) Check for DTCs and make a note of any codes that are output.

(b) Clear the DTCs.

(c) Recheck for DTCs. Based on the DTCs output above, try to cause the output of the same CAN system DTC or airbag system DTC by simulating the symptoms indicated by the DTC.

Result





B -- GO TO CAN COMMUNICATION SYSTEM Diagnosis System

C -- GO TO AIRBAG SYSTEM Airbag System
A -- Continue to next step.

4. PROBLEM SYMPTOMS TABLE

Result





B -- Go to step 6
A -- Continue to next step.

5. OVERALL ANALYSIS AND TROUBLESHOOTING*

(a) Operation Check Operation Check.

(b) Data List/Active Test Scan Tool Testing and Procedures.

(c) Terminals of ECU Pinout Values and Diagnostic Parameters.

NEXT -- Continue to next step.

6. REPAIR OR REPLACE

NEXT -- Continue to next step.

7. CONFIRMATION TEST

NEXT -- END