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:

Instrument Panel, Leather, Vinyl, Other Plastic Surfaces, Low Gloss Paint Surfaces and Natural Open Pore Wood Surfaces
Use a soft microfiber cloth dampened with water to remove dust and loose dirt. For a more thorough cleaning, use a soft microfiber cloth dampened with a mild soap solution. Caution Soaking or saturating leather, especially perforated leather, as well as other interior surfaces, may cause per ...

Horns System Description and Operation
System Description The horn system consists of the following components: HORN fuse Underhood fuse block (contains PCB horn relay) Horn switch Horn Body control module (BCM) K84Keyless Entry Control ModuleS33Horn SwitchK73Telematics Communication In ...

Rear Side Door Replacement
Rear Side Door Replacement Callout Component Name Warning: Refer to SIR Warning. Preliminary Procedures Mark the location of the hinge before removing the bolts with a grease pencil. Remove the rear door ...