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:

Front Side Door Window Weatherstrip Replacement
Front Side Door Window Weatherstrip Replacement Callout Component Name Preliminary Procedures Remove front side door trim panel. Refer to Front Side Door Trim Replacement. Remove the outside rearview mirror. Refer to Outs ...

Crankshaft Balancer Replacement
Special Tools EN-470–B Angular Torque Wrench EN-49979 Crankshaft Shock Mount Retainer For equivalent regional tools, refer to Special Tools. Removal Procedure Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle. Remove front wheelhouse liner exten ...

Automatic Transmission Range Selector Lever Replacement
Removal Procedure Set the park brake and chock the wheels. Disconnect the transmission range selector lever cable terminal (1) from the transmission manual shift lever pin. Press the locking tabs inward in order to release the transmission range selector lev ...