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 Switch Bezel Replacement (Left Side)
Front Side Door Window Switch Bezel Replacement Callout Component Name Preliminary Procedure Remove the front side door trim. Refer to Front Side Door Trim Replacement. 1 Front Side Door Window S ...

Generator Replacement (LUV)
Removal Procedure Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle. Remove the drive belt. Refer to Drive Belt Replacement. Remove the drive bel ...

Camshaft Sprocket Removal
Loosen the intake camshaft sprocket bolt (1) while holding the hexagon of intake camshaft (2) with a wrench. Remove the intake camshaft sprocket bolt (1) and the intake camshaft position exciter wheel (2). Remove the intake camshaft sprocket ( ...