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:

Front Brake Hose Replacement
Removal Procedure Warning: Refer to Brake Dust Warning. Warning: Refer to Brake Fluid Irritant Warning. Danger: Do not use a service jack to lift this vehicle. Lifting the vehicle with a jack could cause the vehicle to slip off the jack and roll; this ...

Air Conditioning Compressor Replacement (LUV)
Air Conditioning Compressor Replacement Callout Component Name Preliminary Procedure Recover the refrigerant. Refer to Refrigerant Recovery and Recharging. Raise and support the vehicle. Refer to Lifting and Jacking the ...

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. ...