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:

Collision Damage Repair
If the vehicle is involved in a collision and it is damaged, have the damage repaired by a qualified technician using the proper equipment and quality replacement parts. Poorly performed collision repairs diminish the vehicle resale value, and safety performance can be compromised in subsequen ...

Rear Wiper/Washer System Description and Operation
The rear window wiper motor is located inside the hatchback door and is directly connected to the rear window wiper. Ignition voltage is supplied to the rear wiper motor through the wiper switch. The hatchback rear window washer systems equipped with a separate washer fluid pump, hose, and noz ...

Transmission Control Replacement
Removal Procedure Remove the floor console. Refer to Front Floor Console Replacement. Lift both cable adjustment retainers (1), one for each cable, to release the shift lever and selector lever cable. .1 Pull the shift lever and selector lever cable ret ...