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:

Warm Up Three-Way Catalytic Converter Replacement (LUV,LUW)
Warm Up Three-Way Catalytic Converter Replacement Callout Component Name Warning: Refer to Exhaust Service Warning. Warning: Refer to Safety Glasses Warning. Preliminary Procedure Raise and support the ...

Engine Front Cover Gasket Installation
Clean the sealing surfaces and remove all remains of old sealing compound material. Note: The thickness of the sealing bead should be 2 mm (0.0787 in). Apply sealing compound to the shown areas (1) and (2). Refer to  Adhesives, Fluids ...

Intake Manifold Installation (1.8L LUW and LWE)
Clean the sealing surfaces. Install 4 NEW gaskets. Caution: Refer to Fastener Caution. Install the intake manifold (2) and the 7 intake manifold bolts (1) and tighten to  20 Y (15 lb ft). Install the intake m ...