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:

Airbag Steering Wheel Module Coil Centering
Note: If a double wire harness strap is installed onto the wire harness assembly and steering column, the original holder for the wire strap(s) MUST be reused during installation. Remove the wire harness strap(s) where necessary. Caution: The new SIR coil assembly will ...

Exhaust Manifold with Catalytic Converter Replacement (LUW)
Exhaust Manifold with Catalytic Converter Replacement Callout Component Name Warning: Refer to Protective Goggles and Glove Warning. Warning: Refer to Exhaust Service Warning. Preliminary Procedure ...

Crankshaft Rear Oil Seal Replacement
Special Tools EN-658 Rear Main Seal Installer For equivalent regional tools, refer to Special Tools. Removal Procedure If equipped with automatic transmission, remove the flex plate. Refer to Automatic Transmission Flex Plate Replacement. If equipped with a manual transmis ...