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:

Repairs and Inspections Required After a Collision
Warning: Restraint systems can be damaged in a collision. To help avoid injury and ensure that all parts in need of replacement are replaced: Replace any seat belt system that was in use during the collision serious enough to deploy any automatic restraint device such as air bags ...

Electronic Brake Control Module Replacement
Removal Procedure Warning: Refer to Brake Fluid Irritant Warning. Caution: Refer to Brake Fluid Effects on Paint and Electrical Components Caution. Remove the battery tray. Refer to Battery Tray Replacement. Disconnect the electronic brake control module (EBC ...

Air Cleaner Inlet Duct Replacement
Removal Procedure Remove the right front wheelhouse liner. Refer to Front Wheelhouse Liner Replacement. Remove the upper intake air duct plastic fastener (1). Pull the lower portion of the intake air duct outward to release the duct from the rub ...