System Description

WARNING: This page is about a different car, the 2016 Infiniti QX70. However, it is still accessible from the selected car via links, so may be relevant.

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 low Headlamp high	SYSTEM DIAGRAM
Front fog lamp relay	Front fog light request signal	BCM (CAN)	Front fog lamp	SYSTEM DIAGRAM
Tail lamp relay	Position light request signal	BCM (CAN)	Parking lamp Side marker lamp License plate lamp Tail lamp	SYSTEM DIAGRAM
Tail lamp relay	Position light request signal	BCM (CAN)	Illuminations	SYSTEM DIAGRAM
Front wiper relay Front wiper high relay	Front wiper request signal	BCM (CAN)	Front wiper	SYSTEM DIAGRAM (With rain sensor) SYSTEM DIAGRAM (Without rain sensor)
Front wiper relay Front wiper high relay	Front wiper stop position signal	Front wiper motor	Front wiper
Horn relay 1 Horn relay 2	Theft warning horn request signal Horn reminder signal	BCM (CAN)	Horn (low) Horn (high)	SYSTEM DIAGRAM
Starter relay^NOTE Starter control relay	Starter control relay signal	BCM (CAN)	Starter motor	DESCRIPTION , DESCRIPTION
Starter relay^NOTE Starter control relay	Starter relay control signal	TCM	Starter motor	DESCRIPTION , DESCRIPTION
A/C relay	A/C compressor request signal	ECM (CAN)	A/C compressor (magnet clutch)	SYSTEM DIAGRAM
Ignition relay	Ignition switch ON signal	BCM (CAN)	Ignition relay	DESCRIPTION
	Vehicle speed signal	Unified meter and A/C amp. (CAN)
	Push - button ignition switch signal	Push - button ignition switch

NOTE:

BCM controls the starter relay.