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:

Rear Brake Hose Replacement (Body to Axle - Disc Brake)
Removal Procedure Warning: Refer to Brake Dust Warning. Warning: Refer to Brake Fluid Irritant Warning. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle. Remove the tire and wheel assembly. Refer to Tire and Wheel Removal and Install ...

Park Brake Hardware Inspection
Warning: Refer to Brake Dust Warning. Visually inspect the park brake lever (1) and the lever pivot pin (2) for the following conditions: The lever being bent or broken at any point – particularly at the cable attachment A seized or binding condition ...

Camshaft Position Actuator Solenoid Valve Replacement
Removal Procedure Remove the air cleaner assembly. Refer to Air Cleaner Assembly Replacement. Disconnect the intake camshaft position actuator solenoid valve wiring harness plug (3). Disconnect the exhaust camshaft position actuator solenoid valve wiring ...