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:

Towing the Vehicle
Notice: Incorrectly towing a disabled vehicle may cause damage. The damage would not be covered by the vehicle warranty. Do not lash or hook to the chassis components including the front and rear subframes, suspension control arms and links during towing and recovery of a disabled vehicl ...

Camshaft Sprocket Replacement
Special Tools EN-6340 Camshaft Adjuster Locking Tool EN-6628–A Camshaft Locking Tool EN-45059 Angle Meter For equivalent regional tools, refer to Special Tools. Removal Procedure Open the hood. Remove the air cleaner housing. Refer to Air Cleaner Assembly Replacement. ...

Thrust Washer and Bearing Cleaning and Inspection
Warning: Wear safety glasses to avoid injury when using compressed air or any cleaning solvent. Bodily injury may occur if fumes are inhaled or if skin is exposed to chemicals. Caution: Do not allow the bearings to spin. Turn them slowly by hand. Spinning the beari ...