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:

Front Floor Console Cover Replacement (Manual Transmission)
Removal Procedure Use a flat bladed plastic trim tool in order to release the retainers securing the console cover?€‰(1) to the console assembly. Reach under the console cover assembly?€‰(1) and release the retainer tabs securing the transmission shif ...

Engine Block Cleaning and Inspection
Special Tools EN-8087 Cylinder Gauge For equivalent regional tools, refer to Special Tools. Clean the sealing material from the gasket mating surfaces (2). Clean the engine block (1) and lower crankcase in a cleaning tank with solvent appropriate for aluminum. Refer ...

Ignition Coil Installation
Special Tools EN-6009 Remover and Installer Ignition Module For equivalent regional tools, refer to Special Tools. Install the ignition coil (1) and remove EN-6009 remover and installer  (2). Caution: Refer to Fastener Caution. Install the 2  ...