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:

Vehicle Alarm System
This vehicle has an anti-theft alarm system. The indicator light on the instrument panel near the windshield indicates the status of the system. Off: Vehicle is disarmed. On Solid: Vehicle is secured during the delay to arm the system. Fast Flash: Vehicle is unsecured. A door, the hood, or t ...

Dimensions - Body (4NB)
Point-to-point measurements are for reference only. All measurements are given in millimeters. Use these measurements for diagnosing and estimating. Point-to-point measurements are duplicated with tram bar pointers set at equal lengths. All die marks, holes, slots, and fasteners are measured t ...

Engine Oil Cooler Outlet Hose Replacement (LUV)
Engine Oil Cooler Outlet Hose Replacement Callout Component Name Preliminary Procedure Drain the cooling system. Refer to Cooling System Draining and Filling. Disconnect the radiator outlet hose. Refer to Radiator Outlet H ...