GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2008 🢒 Optra - Mexico 🢒 Restraints 🢒 SIR 🢒 SIR Disabling and Enabling

Disabling Procedure

    Object Number: 1376168 Size: SH

    Important: Perform this procedure in order to prevent deployment of the air bags from the reserve energy supply power.

  1. Turn the steering wheel so that the vehicle wheels are pointing straight ahead.
  2. Remove the key from the ignition switch.

    3. Important: With the F1 fuse removed and the ignition switch is the ON position, the AIR BAG warning indicator illuminates. This is a normal operation, and does not indicate an SIR system malfunction.

  3. Remove the F1 fuse.
  4. Remove the knee bolster. Refer to Knee Bolster Replacement .

    5. Object Number: 1376174 Size: SH
  5. Remove the following parts:
    6. • The connector position assurance (CPA)
    • The yellow 2-way connector for the inflatable restraint steering wheel module--Release then unlock the connector.

    Object Number: 467834 Size: SH
  6. Remove the glove box. Refer to Instrument Panel Storage Compartment Replacement .
  7. Remove the screws and the glove box housing.
  8. Remove the CPA and the yellow 2-way connector from the inflatable restraint instrument panel module (IPM) pigtail. Release then unlock the connector.

    9. Object Number: 899818 Size: SH
  9. Remove the right lower center pillar trim. Refer to Center Pillar Lower Trim Panel Replacement .
  10. Remove the CPA from the seat belt pretensioner - RF connector.
  11. Disconnect the seat belt pretensioner - RF connector from the vehicle harness connector.
  12. Remove the CPA from the side impact sensor - RF connector.
  13. Disconnect the side impact sensor - RF connector.
  14. Remove the left lower center pillar trim. Refer to Center Pillar Lower Trim Panel Replacement .
  15. Remove the CPA from the seat belt pretensioner - LF connector.
  16. Disconnect the seat belt pretensioner - LF connector from the vehicle harness connector.
  17. Remove the CPA from the side impact sensor - LF connector.
  18. Disconnect the side impact sensor - LF connector.

    19. Object Number: 628320 Size: SH
  19. Remove the CPA from the side impact module - LF connector (1) located under the driver seat.
  20. Disconnect the side impact module - LF connector (1).
  21. Remove the CPA from the side impact module - RF connector (1) located under the passenger seat.
  22. Disconnect the side impact module - RF connector (1).

Enabling Procedure
  1. Remove the key from the ignition switch.

    2. Object Number: 628320 Size: SH
  2. Connect the side impact module - RF connector (1).
  3. Install the CPA to the side impact module - RF connector (1) located under the passenger seat.
  4. Connect the side impact module - LF connector (1) .
  5. Install the CPA to the side impact module - LF connector (1) located under the driver seat.

    6. Object Number: 899818 Size: SH
  6. Connect the seat belt pretensioner - LF connector from the vehicle harness connector.
  7. Install the CPA to the seat belt pretensioner - LF connector.
  8. Connect the side impact sensor - LF connector and install the CPA.
  9. Install the left lower center pillar trim. Refer to Center Pillar Lower Trim Panel Replacement .
  10. Connect the seat belt pretensioner- - RF connector from the vehicle harness connector.
  11. Install the CPA to the seat belt pretensioner - RF connector.
  12. Connect the side impact sensor - RF connector and install the CPA.
  13. Install the right lower center pillar trim. Refer to Center Pillar Lower Trim Panel Replacement .

    14. Object Number: 189763 Size: SH
  14. Install the yellow 2-way connector and install the CPA to the inflatable restraint IPM pigtail (1).
  15. Install the glove box housing and screws.
  16. Install the glove box. Refer to Instrument Panel Storage Compartment Replacement .

    17. Object Number: 1376174 Size: SH
  17. Install the yellow 2-way connector (1) and the CPA (2) for the inflatable restraint steering wheel module. Also install the steering wheel side cap.
  18. Install the knee bolster. Refer to Knee Bolster Replacement .
  19. Install the F1 fuse.
  20. Staying well away from both air bags, turn the ignition switch to the ON position. Verify that the AIR BAG warning indicator flashes 7 times and then stays OFF. If the AIR BAG warning indicator does not operate as described, refer to Diagnostic System Check - Vehicle .