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Home >> Nissan-Datsun >> 2004 >> Sentra SE-R >> Repair and Diagnosis >> External Pages >> Different car >> Section 2215 (Security Control System (Without Intelligent Key System)) >> System Description >> Vehicle Security System >> Component Description
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Component Description

WARNING: This page is about a different car, the 2012 Nissan Pathfinder. However, it is still accessible from the selected car via links, so may be relevant.
Item Function
BCM Verifies the received signal from ignition key, then informs ECM whether to allow engine start.
Door switch Provides the BCM with the status of each monitored door.
Security indicator Indicates the status of the security system.
IPDM E/R Controls the horn and headlamps operation.
Horn Sounds when the vehicle security system is triggered.