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 Wheel Drive Shaft Inner Joint and Boot Replacement
Special Tools DT-35910 Drive Axle Boot Clamp Pliers For equivalent regional tools, refer to Special Tools. Disassemble Procedure Note: There are types of inner joints available. If the inner joint is connected with the CV style joint, the inner joint is not serviced separa ...

Heater Core Inlet Tube Replacement
Heater Core Inlet Tube Replacement Callout Component Name Preliminary Procedures Remove the Heater and Air Conditioning Evaporator and Blower Module. Refer to Heater and Air Conditioning Evaporator and Blower Module Removal ...

Front Wheel Drive Shaft Seal Replacement - Left Side
Special Tools DT-446 Installer Drift DT-7004 Slide Hammer DT-23129 Universal Seal Remover For equivalent regional tools, refer to Special Tools. Removal Procedure Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle. Remove the front suspension s ...