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:

Driver or Passenger Seat Cushion Frame Replacement
Driver or Passenger Seat Cushion Frame Replacement Callout Component Name Preliminary Procedures Remove the driver or passenger seat. Refer to Driver or Passenger Seat Removal and Installation Remove the front seat cushio ...

Engine Coolant Thermostat Housing Replacement (LUW)
Removal Procedure Remove the battery tray. Refer to Battery Tray Replacement. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle. Drain the cooling system. Refer to Cooling System Draining and Filling. Disconnect the engine harness conn ...

Range Selector Lever Cable Replacement
Removal Procedure Set the park brake and chock the wheels. Disconnect the transmission range selector lever cable terminal (1) from the transmission manual shift lever pin. Press the locking tabs inward in order to release the transmission range selector lev ...