How To Proceed With Troubleshooting

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

HINT
* Use the following 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 to the next step.

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 communication system DTC, airbag system DTC or occupant classification system DTC by simulating the symptoms indicated by the DTC.





B -- Go to CAN COMMUNICATION SYSTEM Diagnosis System

C -- Go to AIRBAG SYSTEM Airbag System

D -- Go to OCCUPANT CLASSIFICATION SYSTEM Occupant Classification System
A -- Continue to next step.

4. PROBLEM SYMPTOMS TABLE

(a) Refer to Problem Symptoms Table Problem Symptoms Table.

NEXT -- 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