Commander 2WD V8-4.7L (2008)
Alarm Module: Description and Operation
An intrusion module (1) is part of the premium version of the Vehicle Theft Alarm (VTA) in the Vehicle Theft Security System (VTSS). The premium
version of the VTA is only available in vehicles built for certain markets, where the additional features offered by this system are required. The intrusion
module is located in the passenger compartment. This unit is designed to work in conjunction with the intrusion sensor transmitter and intrusion sensor
receiver to provide interior motion detection and serves as the interface between the Front Control Module (FCM), the ElectroMechanical Instrument
Cluster (EMIC) (also known as the Cab Compartment Node/CCN) and the alarm siren.
The intrusion module housing has two integral mounts (2) that secure the module, and an integral connector receptacle (3). Concealed within the molded
plastic housing is the circuitry of the module, which includes a microprocessor.
The intrusion module (2) is secured within a cavity on the right side of a molded plastic intermediate step assembly (1) located on the rear floor panel
under the second row seat cushion by two slots and two latch features integral to the floor of the step cavity The module is concealed beneath a carpeted
trim cover secured by hook and loop fasteners over the step cavity. The inboard side of this step cavity also contains the satellite radio receiver (4) on
vehicles that are so equipped. The module is connected to the vehicle electrical system by a take out and connector of the body wire harness (3).
The intrusion module unit cannot be adjusted or repaired and, if ineffective or damaged, it must be replaced.