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:

Valve Guide Reaming, and Valve and Seat Grinding
Valve Cleaning Procedure Use soft bristle wire brush to clean any carbon build-up from the valve head. DO NOT use a wire brush on any part of the valve stem. The valve stem is chrome plated to provide enhanced wear characteristics. Wire brushing the stem could remove the chr ...

Starter Replacement (LUV)
Removal Procedure Disconnect the battery negative cable. Refer to  Battery Negative Cable Disconnection and Connection. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle. If equipped with a front suspension skid plate, remove the drivetrain ...

Manual Shift Detent Lever with Shaft Position Switch Assembly and Park Pawl Actuator Removal
Table 1: Manual Shaft Detent (w/Shift Position Switch) Lever Assembly Removal Table 2: Park Pawl Actuator Guide Removal Manual Shaft Detent (w/Shift Position Switch) Lever Assembly Removal Manual Shaft Detent (w/Shift Position Switch) Lever Assemb ...