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:

Temperature Control Cable Replacement (LHD)
Temperature Control Cable Replacement Callout Component Name Preliminary Procedures Remove the instrument panel compartment. Refer to Instrument Panel Lower Compartment Replacement. Remove the heater and air conditioning ...

Water Pump Installation
Clean the sealing surfaces and the 3 coolant pump threads. Install NEW gasket. Caution: Refer to Fastener Caution. Caution: Refer to Torque-to-Yield Fastener Caution. Install the coolant pump (1). Install 5 NEW bolts (2) and tighten to 8& ...

Valve Stem Oil Seal and Valve Spring Replacement
Special Tools 207649 Rod Hairpin Clips 547324 Flange Screws EN-840 Pliers / Remover EN-958 Installer EN-45059 Angle Meter EN-50717 Kit J-43649?E Rods For equivalent regional tools, refer to Special Tools. Removal Procedure Remove the spark plugs. Refer to Spark ...