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 Flywheel Installation
Special Tools EN-652 Flywheel Holder EN-45059 Torque Angle Sensor Kit For equivalent regional tools, refer to Special Tools. Clean the thread in the crankshaft. Install the crankshaft position reluctor ring (1). Install the flywheel (2). Install the EN-652 ...

Cooling Fan Description and Operation (LUV)
The engine cooling fan system is composed of one cooling fan, a series of 5 relays, the engine control module (ECM), and the associated wiring. The cooling fan assembly includes two resistors. This combination of components enables the ECM to operate the cooling fan at 3 speeds usi ...

Rear Door Alert
In the Nissan Armada, the Rear Door Alert system is designed as a helpful reminder feature that alerts the driver when there may be an item or passenger left in the rear seats. Always check the rear seating area before exiting the Nissan Armada to ensure safety. The Rear Door Alert system in ...