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:

Front Side Door Lock Cylinder Opening Cover Replacement
Front Side Door Lock Cylinder Opening Cover Replacement Callout Component Name 1 Front Side Door Lock Cylinder Opening Cover Procedure Remove the front side door lock cylinder, Do Not remove the outside door ...

Evaporator Air Temperature Sensor Replacement (LHD)
Evaporator Air Temperature Sensor Replacement Callout Component Name 1 Evaporator Air Refrigerant Temperature Sensor Procedures Disconnect the refrigerant temperature sensor electrical connector. Twist an ...

Camshaft Timing Chain Installation
Special Tools EN-952 Fixing Pin EN-953-A Fixing Tool EN-955-10 Fixing Pin from EN-955 Kit For equivalent regional tools, refer to Special Tools. The engine should be adjusted to TDC. The crankshaft should be locked with EN-952 fixing pin. The camshaft should be locked with EN-9 ...