System Description

WARNING: This page is about a different car, the 2020 Nissan Armada. However, it is still accessible from the selected car via links, so may be relevant.

Courtesy of NISSAN NORTH AMERICA, INC.

IPDM E/R activates the internal control circuit to perform the relay ON-OFF control according to the input signals from various sensors and the request signals received from control units via CAN communication.

CAUTION: IPDM E/R integrated relays cannot be removed.

Control relay	Input/output	Transmit unit	Control part	Reference
Headlamp low relay Headlamp high relay	Low beam request signal High beam request signal	BCM (CAN)	Headlamp (LO) Headlamp (HI)	Refer to System Description .
Front fog lamp relay	Front fog light request signal	BCM (CAN)	Front fog lamp	Refer to System Description .
Tail lamp relay	Position light request signal	BCM (CAN)	Parking lamp License plate lamp Tail lamp Side marker lamp	Refer to System Description .
Tail lamp relay	Position light request signal	BCM (CAN)	Illuminations	Refer to System Description .
Front wiper relay Front wiper high relay	Front wiper request signal	BCM (CAN)	Front wiper motor	Refer to System Description .
Front wiper relay Front wiper high relay	Front wiper stop position signal	Front wiper motor	Front wiper motor	Refer to System Description .
Rear window defogger relay	Rear window defogger control signal	BCM (CAN)	Rear window defogger	Refer to System Description .
Horn relay Theft warning horn relay	Theft warning horn request signal Horn reminder signal	BCM (CAN)	Horn (high) Horn (low)	Refer to System Description .
Starter relay ^NOTE Starter control relay	Starter control relay signal	BCM (CAN)	Starter motor	Refer to Component Description ., Refer to Component Description .
Starter relay ^NOTE Starter control relay	Starter relay control signal	TCM	Starter motor
A/C relay	A/C compressor request signal	ECM (CAN)	A/C compressor (Magnet clutch)	Refer to System Description .
Ignition relay Ignition relay-2 Ignition relay-3	Ignition switch ON signal	BCM (CAN)	Each control unit, sensor, actuator and relay (ignition power supply)	Refer to DTC Description .
	Vehicle speed signal	Combination meter (CAN)
	Push-button ignition switch signal	Push-button ignition switch
Daytime running light relay	Daytime running light request signal	BCM (CAN)	Daytime running light	Refer to System Description .

NOTE: BCM controls the starter relay.