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:

Special Tools
Illustration Tool Number/ Description CH 41013 J 41013 Rotor Resurfacing kit CH 42450–A J 42450–A Wheel Hub Resurfacing Kit ...

Camshaft Position Actuator Solenoid Valve Installation
Caution: The camshaft position actuator solenoid valves must be kept parallel to the engine front cover during removal and installation. The camshaft position actuator solenoid valves can be damaged if they become wedged or stuck during this process. Install the 2̴ ...

Engine Replacement (Automatic Transmission)
Special Tools J-45859 Wheel Drive Shaft Remover CH-807 Closure Plugs For equivalent regional tools, refer to Special Tools. Removal Procedure Remove the battery and battery tray. Refer to Battery Tray Replacement. Relieve the fuel system pressure. Refer to Fuel Pre ...