Restraints - SRS MIL ON, No DTC's Set

T-SB-0212-12

October 31, 2012

Intermittent SRS MIL "ON" NO DTCs

Service Category
Vehicle Interior

Section
Supplemental Restraint Systems

Market
USA





Applicability

Introduction

Some 2012 model year Corolla and Matrix vehicles may exhibit a condition where the SRS MIL may illuminate intermittently with no Diagnostic Trouble Codes (DTCs) stored in the SRS system. Replace the center airbag sensor assembly to address this condition. This condition will not affect airbag deployment in a collision.

Production Change Information





This bulletin applies only to vehicles produced WITHIN the Production VIN range shown.





Warranty Information





Parts Information





Required Tools & Equipment

Repair Procedure

1. Confirm the SRS MIL illuminates intermittently.

2. Check for DTCs using Techstream.

NOTE

If any SRS DTCs are found as current or history refer to the appropriate Repair Manual for diagnosis and repair. This bulletin may not apply. Reconfirm VIN range and SRS MIL after repairing all other conditions.

3. If the SRS MIL is intermittently illuminated and there are no current or history DTCs stored replace the center airbag sensor assembly.

Refer to the Technical Information System (TIS), applicable model and model year Repair Manual:

^ 2012 Corolla:
Vehicle Interior - Supplemental Restraint Systems - "Supplemental Restraint Systems: Center Airbag Sensor Assembly: Removal / Installation"

^ 2012 Matrix:
Vehicle Interior - Supplemental Restraint Systems - "Supplemental Restraint Systems: Center Airbag Sensor Assembly: Removal / Installation"

4. Initialize power Systems (windows, moon roof, etc.). Refer to the applicable model and model year Repair Manual.

5. Test drive vehicle and verify the MIL does not illuminate.

6. Connect Techstream and recheck the SRS system for any stored DTCs.

© 2012 Toyota Motor Sales, USA