System Description: 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.

NOTE: To prevent to the parts, IPDM E/R integrated relays cannot be removed.

Control relay	Input/output	Transmit unit	Control part	Reference
Headlamp relay	Low beam request signal High beam request signal	BCM (CAN)	Headlamp	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)	Illumination	Refer to System Description .
Front wiper relay Front wiper HI/LO relay	Front wiper request signal	BCM (CAN)	Front wiper motor	Refer to System Description .
Front wiper relay Front wiper HI/LO relay	Front wiper stop position signal	Front wiper motor	Front wiper motor	Refer to System Description .
Horn relay	Theft warning horn request signal Horn reminder signal	BCM (CAN)	Horn	Refer to System Description .
Vehicle security horn relay	Theft warning horn request signal Horn reminder signal	BCM (CAN)	Vehicle security horn	Refer to System Description .
Starter relay* (VR engine models) Starter control relay (VR engine models)	Starter control relay signal	BCM (CAN)	Starter motor	Refer to System Description .
	Starter relay control signal	TCM	Starter motor	Refer to System Description .
A/C relay	A/C compressor request signal	ECM (CAN)	A/C compressor (Magnet clutch)	Refer to System Description .
Daytime running light relay	Daytime running light request signal	BCM (CAN)	Daytime running light	Refer to System Description .
Ignition relay	Ignition switch ON signal	BCM (CAN)	Each control unit, sensor, actuator and relay (Ignition power supply)	Refer to DTC Description .
	Vehicle speed signal (Meter)	Combination meter (CAN)
	Push-button ignition switch signal	Push-button ignition switch

*: BCM controls the starter relay.