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
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: C1b85-4b Dist Sen Abnormal Temp


    DTC Description DTC DETECTION LOGIC DTC CONSULT screen items (Trouble diagnosis content) DTC detection condition C1B85-4B POWER SUPPLY CIR (Power supply circuit) Diagnosis condition When engine is running When Automatic Emergency Braking or LDW system is ON Signal (terminal) — Threshold Distance sensor judges high temperature abnormality Diagnosis delay time 1 second or less POSSIBLE CAUSE Temperature around the distance sensor (ICC Sensor) becomes high 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 DTC CONFIRMATION PROCEDUREPERFORM DTC CONFIRMATION PROCEDURE CONSULT Turn the ignition switch OFF...

    Nissan Murano (Z52) 2015-2024 Owners Manual: Autolight system


    The autolight system allows the headlights to turn on and off automatically. The autolight system can: Turn on the headlights, front parking, tail, license plate and instrument panel lights automatically when it is dark. Turn off all the lights (except daylight running lights) when it is light...

    Categories

    Vehicle security system

    Nissan Murano. Vehicle security system

    Your vehicle has two types of security systems:

    Vehicle security system NISSAN Vehicle Immobilizer System

    The vehicle security system provides visual and audible alarm signals if someone opens the doors, liftgate or the hood when the system is armed. It is not, however, a motion detection type system that activates when a vehicle is moved or when a vibration occurs.

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