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:

Turn Signal Multifunction Switch Replacement
.. Turn Signal Multifunction Switch Replacement Callout Component Name Preliminary Procedure Remove the upper trim cover and the lower trim cover from the steering column. Refer to Steering Column Lower Trim Cover Replacemen ...

Crankshaft and Bearing Cleaning and Inspection
Special Tools EN-45059 Torque Angle Sensor Kit GE-571-B Dial Gauge For equivalent regional tools, refer to Special Tools. Crankshaft End Play, Check Note: Crankshaft attached with crankshaft bearing caps. Install the GE-571-B gauge  (1). ...

Inspection/Maintenance (I/M) System DTC Table (LUW)
Inspection/Maintenance (I/M) System DTC Table System DTCs Required to Set System Status to YES If an inspection/maintenance system status indicator did NOT update to YES during the Inspection/Maintenance System Check, review ea ...