System Description: Outline

WARNING: This page is about a different car, the 2010 Nissan Armada. However, it is still accessible from the selected car via links, so may be relevant.

BCM (Body Control Module) controls the various electrical components. It inputs the information required to the control from CAN communication and the signal received from each switch and sensor.
BCM has combination switch reading function for reading the operation status of combination switches (light, turn signal, wiper and washer) in addition to a function for controlling the operation of various electrical components. It also has the signal transmission function as the passed point of signal and the power consumption control function that reduces the power consumption with the ignition switch OFF.
BCM is equipped with the diagnosis function that performs the diagnosis with CONSULT-III and various settings.

BCM control function list

BCM CONTROL FUNCTION LIST

System	Refer to
Combination switch reading system	"SYSTEM DIAGRAM "
Signal buffer system	"SYSTEM DIAGRAM "
Power consumption control system	"SYSTEM DIAGRAM "
Auto light system	"SYSTEM DIAGRAM "
Turn signal and hazard warning lamp system	"SYSTEM DIAGRAM "
Headlamp system	"SYSTEM DIAGRAM "
Front fog lamp system (if equipped)	"SYSTEM DIAGRAM "
Daytime running light system (if equipped)	"SYSTEM DIAGRAM "
Interior room lamp control system	"SYSTEM DIAGRAM "
Step lamp system	"SYSTEM DIAGRAM "
Interior room lamp battery saver system	"SYSTEM DIAGRAM "
Front wiper and washer system	"SYSTEM DIAGRAM "
Rear wiper and washer system	"SYSTEM DIAGRAM "
Warning chime system	"WARNING CHIME SYSTEM : SYSTEM DIAGRAM "
Door lock system	WITH INTELLIGENT KEY SYSTEM: "DOOR LOCK AND UNLOCK SWITCH : SYSTEM DIAGRAM " WITHOUT INTELLIGENT KEY SYSTEM: "DOOR LOCK AND UNLOCK SWITCH : SYSTEM DIAGRAM "
(NATS) Nissan anti-theft system	WITH INTELLIGENT KEY SYSTEM: "SYSTEM DIAGRAM " WITHOUT INTELLIGENT KEY SYSTEM: "SYSTEM DIAGRAM "
Vehicle security system	WITH INTELLIGENT KEY SYSTEM: "SYSTEM DIAGRAM " WITHOUT INTELLIGENT KEY SYSTEM: "SYSTEM DIAGRAM "
Rear window defogger system	"SYSTEM DIAGRAM "
Remote keyless entry system	"REMOTE KEYLESS ENTRY : SYSTEM DIAGRAM "
Intelligent Key system (if equipped)	"INTELLIGENT KEY : SYSTEM DIAGRAM "
Power window system	"SYSTEM DIAGRAM "
RAP (retained accessory power) system	"RETAINED PWR : CONSULT-III FUNCTION (BCM - RETAINED PWR) "
TPMS (tire pressure monitoring system)	"AIR PRESSURE MONITOR : DIAGNOSIS DESCRIPTION "