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:

Drive Belt Installation
Special Tools EN-955 Locking Pins EN-48488 Holding Wrench For equivalent regional tools, refer to Special Tools. Note: Ensure that the drive belt tensioner is held with EN-955?E locking pin. Install the drive belt. Move the drive belt tensioner clockwise until EN- ...

Inspection/Maintenance (I/M) System DTC Table
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 Complete System Set Pro ...

Transmission Fluid Cooler Hose/Pipe Quick-Connect Fitting Disconnection and Connection
Removal Procedure Note: Perform the following procedure when removing the retaining rings and cooler lines from the quick connect fittings located on the radiator and/or the transmission. Pull the plastic cap back from the quick connect fitting and dow ...