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:

Headlamp High/Low-Beam Changer
(Headlamp High/Low-Beam Changer): Push the turn signal lever away from you to turn the high beams on. Push the lever again or pull the lever toward you to return to low beams. This indicator light turns on in the instrument cluster when the high-beam headlamps are on. ...

Rear Brake Hose Replacement (Body to Axle - Drum 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 ...

Warm Up Three-Way Catalytic Converter Removal
Disconnect the heated oxygen sensor wiring harness (3) from retainer clip. Remove the 2 catalytic converter to catalytic converter bracket nuts (4) and (6). Loosen the three way warm up catalytic converter V-clamp (1). Remove the three way warm up ...