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:

Rear Wheelhouse Panel Liner Extension Replacement
Rear Wheelhouse Panel Liner Extension Replacement Callout Component Name Preliminary Procedure Remove the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation. 1 Rear Wheelh ...

Body Rear Seat Back Trim Panel Replacement (with AMA/AM7)
Body Rear Seat Back Trim Panel Replacement Callout Component Name Preliminary Procedure Remove the body side trim panel. Refer to Body Side Trim Panel Replacement. 1 Body Rear Seat Back Trim Pane ...

Drive Belt Removal
Special Tools EN-955 Locking Pins EN-48488 Holding Wrench For equivalent regional tools, refer to Special Tools. Install EN-48488 wrench (1) to the drive belt tensioner. Note: The drive belt tensioner must always be in a pre-tensioned state. Move the dri ...