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:

Underbody Rear Side Rail Extension Replacement
Removal Procedure Warning: Refer to Approved Equipment for Collision Repair Warning. Warning: Refer to Glass and Sheet Metal Handling Warning. Disable the SIR System. Refer to SIR Disabling and Enabling. Disconnect the negative battery cable. Refer ...

Drum Brake Adjusting Hardware Replacement (J93, J94)
Removal Procedure Warning: Refer to Brake Dust 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 Installation. Remove the brake drum. Refer to Brake Drum R ...

Accelerator Pedal Position Sensor Replacement
Accelerator Pedal Position Sensor Replacement Callout Component Name Preliminary Procedure Disconnect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection. 1 ...