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:

Engine Coolant Fan Resistor Mount Repair
Engine Coolant Fan Resistor Mount Repair Callout Component Name Preliminary Procedure Remove the fasteners securing the radiator surge tank to the engine shroud and position the surge tank out of the way. Refer to Radiator ...

Evaporative Emission Canister Vent Solenoid Valve Replacement
Evaporative Emission Canister Vent Solenoid Valve Replacement Callout Component Name Preliminary Procedures Disconnect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection. Remove the e ...

Lift Plate and Holding Fixture Installation
Lift Plate and Holding Fixture Installation Callout Component Name 1 DT-47811-A Transmission Lift Plate Warning: Handle with care, the transmission assembly weighs over 83 Kg (183 lbs). Bodily i ...