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:

Battery Positive and Negative Cable Replacement
Removal Procedure Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection. Remove the fuse block and battery positive cable cover. Remove the battery tray. Refer to Battery Tray Replacement. Remove the battery posit ...

Heater Inlet Hose Replacement (LDE, LUW)
Special Tools BO-38185 Hose Clamp Pliers For equivalent regional tools, refer to Special Tools. Removal Procedure Drain the cooling system. Refer to Cooling System Draining and Filling. Disengage the heater inlet hose quick connect clip (1) at the heater ...

Control Solenoid Valve and Transmission Control Module Assembly Installation
Control Solenoid Valve and Transmission Control Module Assembly Installation Callout Component Name 1 Control Solenoid Valve Assembly Filter Plate Caution: Use care when removing or installing the filter plate ...