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:

Seat Belt Latch Stop Installation
Seat Belt Latch Stop Installation Callout Component Name Preliminary Procedure Locate the hole in the seat belt webbing where the original seat belt stop button was located. If the original hole in the seat belt webbing i ...

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 ...

Secondary Air Injection Pump Installation
Install the secondary air injection pump (1). Loosely install the secondary air injection pump nut (2) and the 2 secondary air injection pump bolts (4). Caution: Refer to Fastener Caution. Tighten the secondary air injection pump nut (2) an ...