Nissan Murano: System Description / Overheating Cause Analysis

Nissan Murano (Z52) 2015-2024 Service Manual / Engine / Engine Cooling System :: Vq35de / System Description / Overheating Cause Analysis

Troubleshooting Chart

  Symptom Check items
Cooling system parts malfunction Poor heat transfer Water pump malfunction Worn or loose drive belt Engine coolant circulation
Thermostat stuck closed Thermostat
Damaged radiator fins Dust contamination or paper clogging
Physical damage
Clogged radiator cooling tube Excess foreign material (rust, dirt, sand, etc.)
Reduced air flow Cooling fan motor assembly does not operate. Cooling fan motor assembly
High resistance to fan rotation
Damaged fan blades
Damaged radiator shroud Radiator shroud
Improper engine coolant mixture ratio Engine coolant viscosity
Poor engine coolant quality Engine coolant density
Insufficient engine coolant Engine coolant leaks Radiator and heater hoses Loose clamp
Cracked hose
Water pump Poor sealing
Radiator cap Loose
Poor sealing
Radiator O-ring for damage, deterioration or improper fitting
Cracked radiator tank
Cracked radiator core
Coolant reservoir tank Cracked coolant reservoir tank
Overflowing coolant reservoir tank Exhaust gas leaks into cooling system Cylinder head deterioration
Cylinder head gasket deterioration
Except cooling system parts malfunction Overload on engine Abusive driving High engine rpm under no load
Driving in low gear for extended time
Driving at extremely high speed
Powertrain system malfunction
Improper size wheels and tires installed
Brakes dragging
Improper ignition timing
Blocked or restricted air flow Blocked bumper
Blocked condenser
Blocked radiator
Blocked radiator grille
Car brassiere installed
Large fog lamp installed
Mud contamination or paper clogging

    System Description

    ..

    Cooling System

    Cooling Circuit 1. Cylinder block (bank 1) 2. Oil cooler 3. Cylinder head (bank 1) 4. Water pump 5. Radiator 6. Water outlet 7...

    Other information:

    Nissan Murano (Z52) 2015-2024 Service Manual: Intake Manifold Collector


    Exploded View 1. Intake manifold collector 2. Intake manifold collector gasket 3. Bracket clip 4. Electric throttle control actuator 5. Electric throttle control actuator gasket A. Refer to Removal and Installation. Front Removal and Installation WARNING: Do not drain the engine coolant when the engine is hot to avoid the danger of being scalded...

    Nissan Murano (Z52) 2015-2024 Service Manual: Combination Switch Input Circuit


    Diagnosis Procedure CHECK INPUT 1 - 5 SYSTEM CIRCUIT FOR OPEN Ignition switch OFF. Disconnect BCM connector and combination switch connector. Check continuity between BCM harness connector and combination switch harness connector. Combination switch signal BCM Combination switch Continuity Connector Terminal Connector Terminal INPUT 1 M19 79 M28 11 Yes INPUT 2 78 9 INPUT 3 77 7 INPUT 4 76 10 INPUT 5 75 13 Is the inspection result normal? YES>> GO TO 2...

    Categories

    Autolight system

    Nissan Murano. 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. Keep all the lights on for a period of time after you place the ignition switch in the OFF position and all doors are closed.

    read more

     
    Copyright © 2026 www.nimurano.com