System Description

WARNING: This page is about a different car, the 2020 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.

The IPDM E/R activates the internal control circuits to perform 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
Front fog lamp relay	Front fog lamp request signal	BCM (CAN)	Front fog lamp	Component Function Check
Headlamp low relay Headlamp high relay	Low beam request signal High beam request signal	BCM (CAN)	Headlamp low Headlamp High	Component Function Check Component Function Check
Tail lamp relay	Position light request signal	BCM (CAN)	Parking lamp Side marker lamp License plate lamp Tail lamp	Component Function Check
Front wiper relay Front wiper high relay	Front wiper request signal	BCM (CAN)	Front wiper	Diagnosis Procedure
Front wiper relay Front wiper high relay	Front wiper auto stop signal	Front wiper motor	Front wiper	Diagnosis Procedure
Ignition relay-1	Push-button ignition switch ON signal	BCM (CAN)	Ignition relay-1	DTC Logic
	Vehicle speed signal	Combination meter (CAN)
	Push-button ignition switch	Push-button ignition switch
A/C relay	A/C compressor request signal	ECM (CAN)	A/C compressor	Component Function Check