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: C1b82-97 Dist Sen Off-Center

DTC Description DTC DETECTION LOGIC DTC CONSULT screen items (Trouble diagnosis content) DTC detection condition C1B82-97 DIST SEN OFF-CENTER (Distance sensor off-center) Diagnosis condition When engine is running Signal (terminal) — Threshold Distance sensor is off the alignment point Diagnosis delay time 1 second or less POSSIBLE CAUSE Radar alignment is off the aiming point ADAS control unit FAIL-SAFEThe following systems are canceled: Vehicle-to-vehicle distance control mode Conventional (fixed speed) cruise control mode Automatic Emergency Braking (AEB) with pedestrian detection Automatic Emergency Braking (AEB) Intelligent Forward Collision Warning (I-FCW) Lane Departure Warning (LDW) Intelligent Lane Intervention (I-LI) Confirmation Procedure PERFORM DTC CONFIRMATION PROCEDURE CONSULT Start the engine...

Nissan Murano (Z52) 2015-2024 Service Manual: Front Over Fender

Exploded View 1. Front fender protector 2. Engine side cover 3. Front over fender Clip Front Removal and Installation REMOVALRemove front and rear screws. Release clips using suitable tool and remove.INSTALLATIONInstallation is in the reverse order of removal...