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:

Connection Settings
Select and the following may display: Bluetooth Settings Change Ringtone Ringtone Volume Bluetooth Settings Select this feature to: Connect, disconnect, or delete a device Change or set a Personal Identification Number (PIN) Turn on or off the Bluetooth connection Check the dev ...

Battery Positive Cable Replacement
Removal Procedure Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection. Remove the underhood fuse block cover. Remove the battery positive nut (1) and the battery positive cable (2), from the underhood fus ...

Flushing
Special Tools BO 42220 Universal 12V Leak Detection Lamp GE 41447 R-134A A/C Tracer Dye Box of 24 GE 45268 A/C Flush Adapter Kit For equivalent regional tools, refer to Special Tools. Note: Flushing with the ACR 2000 is not intended to remove metal from the A/C ...