Chevrolet Sonic Repair Manual: Immobilizer

Ignition Lock Cylinder Replacement

Removal Procedure Disconnect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection. Remove the upper trim cover and the lower trim cover f ...

Immobilizer Description and Operation

The immobilizer system functions are provided by the body control module (BCM) and the engine control module (ECM), as well as any modules which store and report the environment identifier. When ...

Other materials:

Rear Side Door Opening Floor Carpet Retainer Replacement
Rear Side Door Opening Floor Carpet Retainer Replacement Callout Component Name Preliminary Procedure Remove the rear seat cushion. Refer to Rear Seat Cushion Removal and Installation. 1 Rear Si ...

Brake Pedal Position Sensor Calibration
Calibration Criteria Note: Do not apply the brake pedal during the brake pedal position sensor calibration procedure. Any movement of the brake pedal during this procedure will cause the calibration procedure to fail. If this occurs, the brake pedal position sensor calibrati ...

Positive Crankcase Ventilation Hose/Pipe/Tube Replacement
Removal Procedure Remove the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement. Open the 2 positive crankcase ventilation pipe retainer clips (2) and (3). Note: Move retainer clamp (1) in direction of the arrow. ...