Nissan Murano: System / Cooling Fan Control

Nissan Murano (Z52) 2015-2024 Service Manual / Engine / Engine Control System :: Vq35de / System Description / System / Cooling Fan Control

System Description

SYSTEM DIAGRAM

SYSTEM DESCRIPTION

ECM controls cooling fan speed corresponding to vehicle speed, engine coolant temperature, refrigerant pressure, air conditioner ON signal. Then control system has 4 -step control [HIGH/MIDDLE/LOW/OFF].

Cooling Fan Operation

Cooling Fan Relay Operation

The ECM controls cooling fan relays through CAN communication line.

Cooling fan speed	Cooling fan relay
Cooling fan speed	1	2	3
Stop (OFF)	OFF	OFF	OFF
Low (LOW)	ON	OFF	OFF
Middle (MID)	OFF	ON	OFF
High (HI)	OFF	ON	ON

Automatic Speed Control Device (ascd)

System Description SYSTEM DIAGRAMBASIC ASCD SYSTEMRefer to Owner's Manual for ASCD operating instructions.Automatic Speed Control Device (ASCD) allows a driver to keep vehicle at predetermined constant speed without depressing accelerator pedal...

Electronic Controlled Engine Mount

System Description SYSTEM DIAGRAMSYSTEM DESCRIPTIONThe ECM controls the engine mount operation corresponding to the engine speed. The control system has a 2-step control [Soft/Hard] Vehicle condition Engine mount control Engine speed: Below 950 rpm Soft Engine speed: Above 950 rpm Hard ELECTRONIC CONTROLLED ENGINE MOUNT LINE DRAWING Electronic controlled engine mount control solenoid valve Intake manifold collector : From next figure Front electronic controlled engine mount Rear electronic controlled engine mount : To previous figure NOTE: Do not use soapy water or any type of solvent while installing vacuum hose...

Other information:

Nissan Murano (Z52) 2015-2024 Service Manual: Throttle Control

System Description SYSTEM DIAGRAM*: ECM determines the start signal status by the signals of engine speed and battery voltage.SYSTEM DESCRIPTIONECM calculates the value of signal transmitted from the accelerator pedal and activates the throttle valve by transmitting a control signal to the electric throttle control actuator...

Nissan Murano (Z52) 2015-2024 Owners Manual: Changing the spare tire with BOSE® sub-woofer (if so equipped)

To loosen the bolt, turn counterclockwise. Once free, remove the bolt. Place the sub-woofer in the lower left corner of the cargo area, leaning against the driver side wall. Remove the spare tire. Once the flat tire is exchanged with the spare tire, store the flat tire where the spare was located...