How to Proceed With Troubleshooting

SEAT BELT: SEAT BELT WARNING SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING; 2013 MY FR-S [03/2012 -]

HINT
* Use these procedures to troubleshoot the seat belt warning system.
* *: Use a 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 COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*

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

Result:





B -- GO TO CAN COMMUNICATION 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 Scan Tool Testing and Procedures

(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