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:

Lower Anchors and Tethers for Children (LATCH System)
The LATCH system secures a child restraint during driving or in a crash. LATCH attachments on the child restraint are used to attach the child restraint to the anchors in the vehicle. The LATCH system is designed to make installation of a child restraint easier. In order to use the LATCH syst ...

Fuel System Cleaning
Note: If the fuel filter is plugged, the fuel tank should be inspected internally and cleaned if necessary. Drain the fuel tank. Refer to  Fuel Tank Draining. Remove the fuel pump module assembly. Refer to  Fuel Tank Fuel Pump Module Replacement. Inspect the f ...

Security systems
Basic information The Nissan Armada is equipped with two primary security systems designed to enhance vehicle protection: Vehicle security system NISSAN Vehicle Immobilizer System Vehicle Security System Basic information The Nissan Armada vehicle security system activates visual a ...