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 Compartment Overview
1.4L L4 Engine 1. Engine Air Cleaner/Filter. 2. Engine Oil Dipstick. See Engine Oil. 3. Engine Cooling Fan (Out of View). See Cooling System. 4. Engine Oil Fill Cap. See Engine Oil. 5. Engine Coolant Surge Tank and Pressure Cap. See Cooling System. 6. Brake/Clutch Fluid Reservoir. See Brakes ...

Cargo Tie Down Loop Replacement
Cargo Tie Down Loop Replacement Callout Component Name 1 Cargo Tie Down Hook Fastener Caution: Refer to Fastener Caution. Tighten 9?€‰Y (80?€‰lb?€‰in) 2 Cargo T ...

Front Side Door Window Switch Replacement (Left Side)
Front Side Door Window Switch Replacement Callout Component Name Preliminary Procedure Remove the front side door window switch bezel. Refer to Front Side Door Window Switch Bezel Replacement. 1 ...