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 Seat Head Restraint Guide Replacement
Rear Seat Head Restraint Guide Replacement Callout Component Name Preliminary Procedure Remove the rear seat head restraint. Refer to Rear Seat Head Restraint Replacement 1 Rear Seat Head Restra ...

Transmission Mount Replacement - Left Side
Removal Procedure Remove the battery tray. Refer to Battery Tray Replacement. Install the engine support fixture. Refer to Engine Support Fixture. Remove and DISCARD the left transmission mount to bracket bolts (1). Remove the left transmission mo ...

Control Valve Body Assembly Assemble (Gen 1)
Control Valve Body Assembly Assemble Callout Component Name 1 Valve Body Ball Check Valve (Qty: 6) 2 Control Valve Channel Plate Spacer Plate Assembly 3 ...