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:

Liftgate Window Replacement
Special Tools BO-24402-A Glass Sealant Remover (Cold Knife) BO-39032 Stationary Glass Removal Tool Use an adhesive that is approved by GM For equivalent regional tools, refer to Special Tools Removal Procedure Warning: Refer to Cracked Window Warning. Note ...

Rear Window Defogger Description and Operation
Rear Window Defogger System Components The rear window defogger system consist of the following components: The HVAC control module The body control module (BCM) The rear defogger relay The rear window grid Driver outside rearview mirror Passenger outside rearview mirro ...

Master Cylinder Bench Bleeding
Warning: Refer to Brake Fluid Irritant Warning. Caution: Refer to Brake Fluid Effects on Paint and Electrical Components Caution. Secure the mounting flange of the brake master cylinder in a bench vice so that the rear of the primary piston is accessible. Remov ...