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:

Seat Adjustment
Manual Seats Warning You can lose control of the vehicle if you try to adjust a driver seat while the vehicle is moving. Adjust the driver seat only when the vehicle is not moving. To adjust a manual seat: 1. Pull the handle at the front of the seat. 2. Slide the seat to the desired positio ...

Airbag Steering Wheel Module Replacement
Removal Procedure Warning: Refer to SIR Inflator Module Handling and Storage Warning. Warning: Refer to SIR Warning. Disable the SIR system. Refer to SIR Disabling and Enabling. Rotate the steering wheel 180?€‰degrees. Using a bl ...

Crankshaft Balancer Replacement
Special Tools EN-470–B Angular Torque Wrench EN-49979 Crankshaft Shock Mount Retainer For equivalent regional tools, refer to Special Tools. Removal Procedure Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle. Remove front wheelhouse liner exten ...