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:

Recreational Vehicle Towing
Recreational vehicle towing means towing the vehicle behind another vehicle, such as a motor home. The two most common types of recreational vehicle towing are known as dinghy towing and dolly towing. Dinghy towing is towing the vehicle with all four wheels on the ground. Dolly towing is towin ...

Engine Cover Replacement
Engine Cover Replacement Callout Component Name 1 Engine Cover Procedure Use a suitable tool to first unclip the front of the cover, then rotate the cover backward and pull upward to remove. ...

Crankshaft Rear Oil Seal Installation
Special Tools EN-658-1 Installer EN-235-6 Installer For equivalent regional tools, refer to Special Tools. Slide the crankshaft rear oil seal (2) across the EN-235-6 installer (1). Install the crankshaft rear oil seal (1) with EN-235-6 installer ...