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:

Park Brake and P (Park) Mechanism Check
Warning: When you are doing this check, the vehicle could begin to move. You or others could be injured and property could be damaged. Make sure there is room in front of the vehicle in case it begins to roll. Be ready to apply the regular brake at once should the vehicle begin to move. ...

Camshaft Installation
Special Tools EN-422 Installer For equivalent regional tools, refer to Special Tools. Note: Coat with MoS 2 lubricating paste. Refer to Adhesives, Fluids, Lubricants, and Sealers. Install the intake camshaft (1). Note: Note the identification mark ...

Differential Case Assemble
Special Tools J-810721 Axle Shaft Seal Remover Support Base R-0407011 Bearing Race Remover R-0407012 Differential Carrier Cone Bearing Cap Driver R-0007761 Universal Handle for Pullers and Installers S-9407194 Speed Sensor Impeller Ring Installer S-9407195 Pinion Gear Case Bearing I ...