Nissan Murano: 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. |
Thermostat |
8. |
Cylinder head (bank 2) |
9. |
Cylinder block (bank 2) |
| A. |
To heater. Refer to Exploded View. |
B. |
To electric throttle control. Refer to Exploded View. |
C. |
From heater. Refer to Exploded View. |
| D. |
From electric throttle control. Refer to Exploded View. |
|
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Schematic

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...
System Inspection
WARNING:
Do not remove the radiator cap or reservoir tank cap when the engine is hot. Serious burns could occur from high-pressure engine coolant escaping from the cooling system...
Other information:
Component Function Check
CHECK CLIMATE CONTROLLED SEAT SWITCH FUNCTION
Check that climate controlled seat activates when operating the climate controlled seat control switch.
Is the inspection result normal?
YES>>
Climate controlled seat switch is OK...
DTC Description
DTC DETECTION LOGIC
An excessively low voltage from the sensor is sent to ECM.
An excessively high voltage from the sensor is sent to ECM.
DTC
CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition
P0327
KNOCK SEN/CIRC-B1
(Knock sensor 1 circuit low bank 1)
Diagnosis condition
Start engine and let it idle
Signal (terminal)
Voltage signal transmitted from knock sensor to ECM
Threshold
An excessively low voltage from the sensor is sent to ECM
Diagnosis delay time
—
P0328
KNOCK SEN/CIRC-B1
(Knock sensor 1 circuit high bank 1)
Diagnosis condition
Start engine and let it idle
Signal (terminal)
Voltage signal transmitted from knock sensor to ECM
Threshold
An excessively high voltage from the sensor is sent to ECM...