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:

Engine Coolant Air Bleed Hose Replacement (LUV)
Engine Coolant Air Bleed Hose Replacement Callout Component Name 1 Engine Coolant Air Bleed Hose Clamp (Qty: 2) Special Tools BO-38185 Hose Clamp Pliers For equivalent regional tools, refer to Special T ...

Warm Up Three-Way Catalytic Converter Removal
Disconnect the heated oxygen sensor wiring harness (3) from retainer clip. Remove the 2 catalytic converter to catalytic converter bracket nuts (4) and (6). Loosen the three way warm up catalytic converter V-clamp (1). Remove the three way warm up ...

Exhaust Camshaft Installation
Note: Mind the markings on the camshaft bearing caps. Camshaft bearing caps should be installed in their original position. Lubricate camshaft and camshaft bearing caps with engine oil. Install the exhaust camshaft (3). Install the 5 camshaft bearing caps̴ ...