Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2001 Saturn SC1 L4-1.9L SOHC VIN 8FACTORY OEM SERVICE PROCEDURE
Ignition Module/Passlock Sensor
IGNITION MODULE/PASSLOCK SENSOR
REMOVAL
NOTE: Cover driver seat to protect seat trim.
IMPORTANT: If ignition module/passlock sensor is replaced, Passlock relearn procedure must be performed.
1. Disable the SIR system.
2. Remove SIR coil assembly.
NOTE: Protect front of console from being damaged by steering column filler panel.
3. Pull steering column filler panel assembly forward and set down.
4. Disconnect cable from filler panel. Pull hood release handle forward. Feed cable under hood release handle and slide pin out. Remove steering column filler panel.
5. Remove connector position assurance (CPA) retainer and disconnect connectors from lever control switch.
6. With SIR system disabled, remove lever control switch.
7. Disconnect ignition switch electrical connector at right steering column upper support bracket.
8. On vehicles with automatic transaxles, disconnect park lock cable from ignition module.
9. Disconnect passlock sensor connector from ignition module.
10. Remove ignition module shear bolts.
10.1 Use a hammer and chisel to bite into shear bolt head at a position offset from it's center.
10.2 Tap the chisel to rotate the bolt and loosen it.
10.3 Repeat until bolt is loose enough to remove.
11. Remove ignition module assembly from steering column.
INSTALLATION
1. Use new shear bolts to install ignition module assembly on steering column. Torque shear bolts until heads break off.
2. Install harness clamps on steering column.
3. Connect passlock sensor connector to ignition module.
4. On vehicles with automatic transaxles, connect park lock cable to ignition module.
5. Reconnect passlock sensor connector to ignition module.
6. Install lever control switch by fitting into bottom locating holes on ignition module.
7. Connect connectors to lever control switch. Install connector position assurance (CPA) retainers.
8. Connect ignition switch electrical connector at right steering column support bracket bolt.
9. Pull hood release handle forward. Feed cable under hood release handle and slide pin in. Connect cable to filler panel.
10. Install steering column filler panel and DLC.
11. Install and torque screws.
Torque:
Steering Column Filler Panel Fasteners: 2.2 N.m (19 in-lbs)
12. Install SIR coil assembly.
13. Enable SIR system.
REMOVAL
NOTE: Cover driver seat to protect seat trim.
IMPORTANT: If ignition module/passlock sensor is replaced, Passlock relearn procedure must be performed.
1. Disable the SIR system.
2. Remove SIR coil assembly.
NOTE: Protect front of console from being damaged by steering column filler panel.
3. Pull steering column filler panel assembly forward and set down.
4. Disconnect cable from filler panel. Pull hood release handle forward. Feed cable under hood release handle and slide pin out. Remove steering column filler panel.
5. Remove connector position assurance (CPA) retainer and disconnect connectors from lever control switch.
6. With SIR system disabled, remove lever control switch.
7. Disconnect ignition switch electrical connector at right steering column upper support bracket.
8. On vehicles with automatic transaxles, disconnect park lock cable from ignition module.
9. Disconnect passlock sensor connector from ignition module.
10. Remove ignition module shear bolts.
10.1 Use a hammer and chisel to bite into shear bolt head at a position offset from it's center.
10.2 Tap the chisel to rotate the bolt and loosen it.
10.3 Repeat until bolt is loose enough to remove.
11. Remove ignition module assembly from steering column.
INSTALLATION
1. Use new shear bolts to install ignition module assembly on steering column. Torque shear bolts until heads break off.
2. Install harness clamps on steering column.
3. Connect passlock sensor connector to ignition module.
4. On vehicles with automatic transaxles, connect park lock cable to ignition module.
5. Reconnect passlock sensor connector to ignition module.
6. Install lever control switch by fitting into bottom locating holes on ignition module.
7. Connect connectors to lever control switch. Install connector position assurance (CPA) retainers.
8. Connect ignition switch electrical connector at right steering column support bracket bolt.
9. Pull hood release handle forward. Feed cable under hood release handle and slide pin in. Connect cable to filler panel.
10. Install steering column filler panel and DLC.
11. Install and torque screws.
Torque:
Steering Column Filler Panel Fasteners: 2.2 N.m (19 in-lbs)
12. Install SIR coil assembly.
13. Enable SIR system.
Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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