GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Saturn 🢒 2005 🢒 ION 🢒 Body 🢒 Wiring Systems 🢒 Steering Wheel Inflatable Restraint Module Coil Replacement

Removal Procedure

    Notice: The new SIR coil assembly will be centered. Improper alignment of the SIR coil assembly may damage the unit, causing an inflatable restraint malfunction.

  1. Place the front wheels in the straight forward position with the steering wheel centered.
  2. Disable the SIR system. Refer to SIR Disabling and Enabling .
  3. Remove the inflatable restraint steering wheel module. Refer to Inflatable Restraint Steering Wheel Module Replacement .
  4. Remove the steering wheel. Refer to Steering Wheel Replacement in Steering Wheel and Column.
  5. Remove the steering column covers. Refer to Steering Column Trim Covers Replacement in Steering Wheel and Column.

    6. Object Number: 854953 Size: SH
  6. Disconnect the SIR coil harness connector from the SIR coil module assembly.
  7. Disconnect the head lamp/turn signal harness connector from the SIR coil module assembly.
  8. Disconnect the wiper/washer harness connector for the SIR coil module assembly.

    9. Object Number: 854958 Size: SH
  9. Remove the SIR coil assembly screw.
  10. Using a small flat-bladed tool, carefully pry the two retaining tabs away at the base of the SIR coil assembly and slide the SIR coil assembly off the steering column.

    11. Object Number: 878308 Size: SH
  11. Remove the headlamp/turn signal switch screws.
  12. Remove the headlamp/turn signal switch from the SIR coil module assembly.

    13. Object Number: 878314 Size: SH
  13. Remove the wiper washer switch screws.
  14. Remove the wiper washer switch from the SIR coil module assembly.

Installation Procedure

    Object Number: 878314 Size: SH
  1. Install the wiper washer switch to the SIR coil module assembly.
  2. Install the wiper washer switch screws.

    3. Object Number: 878308 Size: SH
  3. Install the head lamp/turn signal switch to the SIR coil module assembly.
  4. Install the headlamp/turn signal switch screws.

    5. Object Number: 854958 Size: SH
  5. Verify the SIR coil is in the center position. Refer to Inflatable Restraint Steering Wheel Module Coil Centering in Steering Wheel and Column.
  6. Slide the SIR coil assembly on the steering column and snap into place.

    7. Object Number: 854953 Size: SH
  7. Connect the wiper/washer harness connector to the SIR coil module assembly.
  8. Connect the head lamp/turn signal harness connector to the SIR coil module assembly.
  9. Connect the SIR coil harness connector to the SIR coil module assembly.
  10. Install the steering column covers. Refer to Steering Column Trim Covers Replacement in Steering Wheel in Column.
  11. Install the steering wheel. Refer to Steering Wheel Replacement in Steering Wheel and Column.
  12. Install the inflatable restraint steering wheel module. Refer to Inflatable Restraint Steering Wheel Module Replacement .
  13. Enable the SIR system. Refer to SIR Disabling and Enabling .