Air Bag Control Module: Service and Repair

CAUTION:
- Before disconnecting any part of the SRS wire harness, disconnect the airbag connectors (and seat belt tensioner connectors).
- During installation or replacement, do not bump (impact wrench, hammer etc.) the area near the SRS unit.
- Do not damage the SRS unit terminals or connectors.
- Do not disassemble the SRS unit; it has no serviceable parts.
- Store the SRS unit in a clean, dry area.
- Do not use any SRS unit which has been subjected to water damage or shows signs of being dropped or improperly handled, such as dents, cracks or deformation.

1. Disconnected the battery negative cable, then disconnect the positive cable from the battery, and wait at least three minutes.
2. Disconnect the airbag connectors (and seat belt tensioner connectors). (When disconnected, the airbag and seat belt tensioner connectors are automatically shorted.)

Driver's Side:
Remove the access panel from the steering wheel, then disconnect the 2P connector between the driver's airbag and cable reel.

Front Passenger's Side:
Disconnect the 2P connector between the front passenger's airbag and SRS main harness.

Seat Belt Tensioner:
Remove the left and right center pillar lower trim panels.
Disconnect the seat belt tensioner 2P connectors from the left side wire harness (driver's side) and the right wire harness (front passenger's side).




3. Remove the right side cover from the SRS unit.




4. Remove the left side cover from the SRS unit, then disconnect the SRS main harness 18P connector from the SRS unit.

5. Remove the four Torx bolts from the SRS unit, then pull out the SRS unit from the driver's side.




6. Install the new SRS unit. If the Torx bolts you removed in the previous step have red threads, replace the Torx bolts.
7. Connect the SRS main harness 18P connector to the SRS unit; push it into position until it clicks.
8. Install the SRS unit covers (right and left). Make sure the covers snap together in the middle.
9. Reconnect the driver's airbag 2P connector to the cable reel 2P connector, then reinstall the access panel on the steering wheel.
10. Reconnect the front passenger's airbag connector to the SRS main harness.
11. Reconnect the left side wire harness 2P connector to the driver's seat belt tensioner and the right side wire harness 2P connector to the front passenger's seat belt tensioner.
12. Reinstall the center pillar lower trim panels.
13. Reconnect the battery positive cable, then the negative cable.
14. After installing the SRS unit, confirm proper system operation: Turn the ignition switch ON (II); the SRS indicator light should come on for about six seconds and then go off.