System Description

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	Refer to
Headlamp high relay Headlamp low relay	High beam request signal Low beam request signal	BCM (CAN)	Headlamp high Headlamp low Daytime running light relay 2	SYSTEM DESCRIPTION - FOR USA SYSTEM DESCRIPTION - FOR USA
Tail lamp relay	Position light request signal	BCM (CAN)	Side marker lamps Parking lamps License plate lamps Tail lamps Trailer tow relay 1 Illumination system	SYSTEM DESCRIPTION SYSTEM DESCRIPTION
Front fog lamp relay	Fog lamp request signal	BCM (CAN)	Front fog lamps	SYSTEM DESCRIPTION
Front wiper relay Front wiper high relay	Front wiper request signal	BCM (CAN)	Front wiper motor	SYSTEM DESCRIPTION
Rear window defogger relay	Rear window defogger request signal	BCM (CAN)	Rear window defogger	SYSTEM DESCRIPTION
A/C relay	A/C request signal	BCM (CAN) ECM (CAN)	A/C compressor	COMPRESSOR CONTROL
Starter relay	Ignition switch START signal	TCM	Starter motor	SYSTEM DESCRIPTION
Cooling fan relay 1 Cooling fan relay 2	Cooling fan request signal	ECM (CAN)	Cooling fan motor (low) Cooling fan motor (hi)	SYSTEM DESCRIPTION (VQ40DE) SYSTEM DESCRIPTION (VK56DE)
Heated mirror relay	Heated mirror request signal	BCM (CAN)	Door mirrors	WIRING DIAGRAM - WITH HEATED MIRRORS
Ignition relay	Ignition switch ON or START signal	Ignition switch	Ignition switch ON or START power	SYSTEM DESCRIPTION (VQ40DE) SYSTEM DESCRIPTION (VK56DE)