Nissan Murano: Dtc/circuit Diagnosis / P1217 Engine Over Temperature
DTC DETECTION LOGIC
If the cooling fan or another component in the cooling system malfunctions, engine coolant temperature will rise.
When the engine coolant temperature reaches an abnormally high temperature condition, a malfunction is indicated.
| DTC |
CONSULT screen terms (Trouble diagnosis content) |
DTC detection condition | ||
| P1217 |
ENG OVER TEMP [Engine over temperature (Overheat)] |
1 | Diagnosis condition | — |
| Signal (terminal) | — | |||
| Threshold | Cooling fan does not operate properly (Overheat) | |||
| Diagnosis delay time | — | |||
| 2 | Diagnosis condition | — | ||
| Signal (terminal) | — | |||
| Threshold | Cooling fan system does not operate properly (Overheat) | |||
| Diagnosis delay time | — | |||
| 3 | Diagnosis condition | — | ||
| Signal (terminal) | — | |||
| Threshold | Engine coolant was not added to the system using the proper filling method | |||
| Diagnosis delay time | — | |||
| 4 | Diagnosis condition | — | ||
| Signal (terminal) | — | |||
| Threshold | Engine coolant is not within the specified range | |||
| Diagnosis delay time | — | |||
CAUTION:
When a malfunction is indicated, be sure to replace the coolant. Refer to Changing Engine Coolant. Also, replace the engine oil. Refer to Changing Engine Oil.
-
Fill radiator with coolant up to specified level with a filling speed of 2 liters per minute. Be sure to use coolant with the proper mixture ratio. Refer to Engine Coolant Mixture.
-
After refilling coolant, run engine to ensure that no water-flow noise is emitted.
POSSIBLE CAUSE
-
Harness or connectors
(Cooling fan circuit is open or shorted.)
-
IPDM E/R
-
Cooling fan motor
-
Radiator hose
-
Radiator
-
Radiator cap
-
Reservoir tank
-
Water pump
-
Thermostat
-
Water control valve
FAIL-SAFE
Not applicable
CHECK DTC PRIORITY
If DTC P1217 is displayed with DTC UXXXX or P0607, first perform the confirmation procedure for DTC UXXXX or P0607.
Is applicable DTC detected?
YES>>Perform diagnosis of applicable.
-
DTC UXXXX: Refer to DTC Index.
-
DTC P0607: Refer to DTC Description.
GO TO 2.
PERFORM COMPONENT FUNCTION CHECK-I
WARNING:
Never remove the radiator cap when the engine is hot. Serious burns could be caused by high pressure fluid escaping from the radiator.
Wrap a thick cloth around cap. Carefully remove the cap by turning it a quarter turn to allow built-up pressure to escape. Then turn the cap all the way off.
Check the coolant level in the reservoir tank and radiator.
Allow engine to cool before checking coolant level.
Is the coolant level in the reservoir tank and/or radiator below the proper range?
YES>>Proceed to Diagnosis Procedure.
NO>>GO TO 3.
PERFORM COMPONENT FUNCTION CHECK-II
Confirm whether customer filled the coolant or not.
Did customer fill the coolant?
YES>>Proceed to Diagnosis Procedure.
NO>>GO TO 4.
PERFORM COMPONENT FUNCTION CHECK-III
With CONSULT
-
Turn ignition switch ON.
-
Perform “FAN DUTY CONTROL” in “ACTIVE TEST” mode of “ENGINE” using CONSULT.
-
Check that cooling fan speed varies according to the percentage.
Without CONSULT
-
Activate IPDM E/R auto active test and check cooling fan motors operation. Refer to Diagnosis Description.
-
Check that cooling fan operates.
Is the inspection result normal?
YES>>To check malfunction symptom before repair: Refer to Intermittent Incident.
YES>>Confirmation after repair: INSPECTION END
NO>>Proceed to Diagnosis Procedure.
CHECK DTC PRIORITY
If DTC P1217 is displayed with DTC UXXXX or P0607, first perform the confirmation procedure for DTC UXXXX or P0607.
Is applicable DTC detected?
YES>>Perform diagnosis of applicable.
-
DTC UXXXX: Refer to DTC Index.
-
DTC P0607: Refer to DTC Description.
GO TO 2.
CHECK COOLING FAN OPERATION
With CONSULT
-
Turn ignition switch ON.
-
Perform “FAN DUTY CONTROL” in “ACTIVE TEST” mode of “ENGINE” using CONSULT.
-
Check that cooling fan speed varies according to the percentage.
Without CONSULT
-
Activate IPDM E/R auto active test and check cooling fan motors operation. Refer to Diagnosis Description.
-
Check that cooling fan operates.
Is the inspection result normal?
YES>>GO TO 3.
NO>>Proceed to Diagnosis Procedure.
CHECK COOLING SYSTEM FOR LEAK-I
Check cooling system for leak. Refer to System Inspection.
Is leakage detected?
YES>>GO TO 4.
NO>>GO TO 5.
CHECK COOLING SYSTEM FOR LEAK-II
Check the following for leak.
-
Hose (Refer to System Inspection.)
-
Radiator (Refer to System Inspection.)
-
Water pump (Refer to Removal and Installation.)
>>
Repair or replace malfunctioning part.
CHECK RADIATOR CAP
Check radiator cap. Refer to System Inspection.
Is the inspection result normal?
YES>>GO TO 6.
NO>>Replace radiator cap. Refer to Exploded View.
CHECK THERMOSTAT
Check thermostat. Refer to Removal and Installation.
Is the inspection result normal?
YES>>GO TO 7.
NO>>Replace thermostat. Refer to Removal and Installation.
CHECK ENGINE COOLANT TEMPERATURE SENSOR
Refer to Component Inspection.
Is the inspection result normal?
YES>>GO TO 8.
NO>>Replace engine coolant temperature sensor. Refer to Exploded View.
OVERHEATING CAUSE ANALYSIS
If the cause cannot be isolated, check the Troubleshooting Chart.
>>
INSPECTION END
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Trouble diagnosis name
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Theremaybe one or two seatback pockets located on the back of the driver and passenger seats. The pockets can be used to store maps.
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