Nissan Murano: System / Relay Control System

Nissan Murano (Z52) 2015-2024 Service Manual / Electrical & Power Control / Power Control System :: Ipdm E/r / System Description / System / Relay Control System

System Description

SYSTEM DIAGRAM

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	Reference page
Front fog lamp relay	Front fog lamp request signal	BCM (CAN)	Front fog lamp	System Description
Headlamp low relay Headlamp high relay	Low beam request signal High beam request signal	BCM (CAN)	Headlamp low Headlamp High	System Description
Tail lamp relay	Position light request signal	BCM (CAN)	Parking lamp Side marker lamp License plate lamp Tail lamp	System Description
Tail lamp relay	Position light request signal	BCM (CAN)	Illumination	System Description
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	Ignition switch ON signal	BCM (CAN)	Each control unit, sensor, actuator, relay (Ignition power supply)	DTC Description
	Nissan Murano Vehicle speed signal	Combination meter (CAN)
	Push-button ignition switch	Push-button ignition switch
Cooling fan relay-1	Cooling fan request signal	ECM	Cooling fan motor	Diagnosis Procedure
A/C relay	A/C compressor request signal	ECM (CAN)	A/C compressor	Diagnosis Procedure
Starter relay	Starter relay signal	BCM (CAN)	Starter motor	System Description
Starter control relay	Starter control relay signal	BCM	Starter motor	System Description

System

Power Consumption Control System

System Description SYSTEM DIAGRAMINPUT SIGNAL AND OUTPUT SIGNALMajor signal transmission between each unit via communication lines is shown in the following table: Component parts Signal description IPDM E/R Each unit transmits the sleep-ready signal (ready) to BCM when all of the CAN sleep conditions are fulfilled...

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