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:

Brake Rotor Refinishing
Special Tools CH-41013 Rotor Resurfacing Kit CH-42450-A Wheel Hub Resurfacing Kit For equivalent regional tools, refer to Special Tools. Warning: Refer to Brake Dust Warning. Note: The disc brake rotors do not require refinishing as part of routine brake system servic ...

Air Conditioning Condenser Replacement (LDE,LUW)
Air Conditioning Condenser Replacement Callout Component Name Preliminary Procedure Recover the refrigerant. Refer to Refrigerant Recovery and Recharging. Remove front bumper fascia. Refer to Front Bumper Fascia Replacemen ...

Crankshaft Balancer Installation
Special Tools EN-470–B Angular Torque Wrench EN-956?E Extension EN-49979 Crankshaft Shock Mount Retainer For equivalent regional tools, refer to Special Tools. Note: The crankshaft balancer flange must fit to the hexagon of the oil pump rotor (2) and to the two ...