Inspection Procedure 3

INSPECTION PROCEDURE 3:The SRS Warning Light does not Illuminate.

CIRCUIT OPERATION
- SRS-ECU sends the SRS warning light signal to the combination meter via the CAN communication.
- As a cause, the failure of CAN bus line, combination meter, or SRS-ECU is suspected.

TROUBLESHOOTING HINTS
- Damaged wiring harness and connectors
- Combination meter malfunction
- Malfunction of SRS-ECU

DIAGNOSIS

STEP 1. Combination meter check

Use scan tool to perform the combination meter actuator tests.

Q: Is the check result normal?

YES: Replace SRS-ECU.

NO: Replace the combination meter (Refer to Combination Meter).