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:

Door Lock and Ignition Lock Folding Key Blade Removal and Installation
Special Tools BO-51098 Flip Key Blade Fixture For equivalent region tools, refer to Special Tools. Caution: Failure to properly support the Remote Keyless Entry (RKE) transmitter assembly while replacing the key blade may cause internal damage to the transmitter assembly. ...

Front Differential Carrier Cleaning and Inspection
Front Differential Carrier Cleaning and Inspection Callout Component Name Caution: After cleaning the transmission components, allow to air dry. Do not use cloth or paper towels in order to dry any transmission compo ...

Engine Flywheel Replacement
Engine Flywheel Replacement Callout Component Name Preliminary Procedure Remove the clutch pressure and driven Plate . Refer to Clutch Pressure and Driven Plate Replacement. Special Tools EN-652 Flywheel Holder ...