2001 NISSAN X-TRAIL Service Repair Manual

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Page 673 of 3833

NISSAN X-TRAIL 2001 Service Repair Manual DTC P1217 ENGINE OVER TEMPERATURE
EC-323
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DTC P1217 ENGINE OVER TEMPERATUREPFP:00000
System DescriptionEBS00M8Z
COOLING FAN CONTROL
The ECM controls the

Page 674 of 3833

NISSAN X-TRAIL 2001 Service Repair Manual EC-324
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DTC P1217 ENGINE OVER TEMPERATURE
ECM Terminals and Reference Value
EBS00M91
Specification data are reference values and are measured between each terminal and ground.
CAU

EC-324
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DTC P1217 ENGINE OVER TEMPERATURE
ECM Terminals and Reference Value
EBS00M91
Specification data are reference values and are measured between each terminal and ground.
CAUTION:
Do not use ECM ground terminals when measuring input/output voltage. Doing so may result in dam-
age to the ECM's transistor. Use a ground other than ECM terminals, such as the ground.
On Board Diagnosis LogicEBS00M92
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.
This self-diagnosis has the one trip detection logic.
CAUTION:
When a malfunction is indicated, be sure to replace the coolant. Refer to CO-29, "
Changing Engine
Coolant" . Also, replace the engine oil. Refer to LU-19, "Changing Engine Oil" .
1. 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 MA-18, "
Engine Coolant Mixture Ratio" .
2. After refilling coolant, run engine to ensure that no water-flow noise is emitted.
COOLING FAN
●Engine: After warming up, idle
the engine
●Air conditioner switch: OFFEngine coolant temperature is 94°C
(201°F) or lessOFF
Engine coolant temperature is
between 95°C (203°F) and 104°C
(219°F)LOW
Engine coolant temperature is 105°C
(221°F) or moreHIGH MONITOR ITEM CONDITION SPECIFICATION
TER-
MINAL
NO.WIRE
COLORITEM CONDITION DATA (DC Voltage)
27 LG/BCooling fan relay
(High)[Engine is running]
●Cooling fan is not operating
●Cooling fan is operating at low speedBATTERY VOLTAGE
(11 - 14V)
[Engine is running]
●Cooling fan is operating at high speed0 - 1.0V
37 LYCooling fan relay
(Low)[Engine is running]
●Cooling fan is not operatingBATTERY VOLTAGE
(11 - 14V)
[Engine is running]
●Cooling fan is operating0 - 1.0V
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P1217
1217Engine over tempera-
ture (Overheat)
●Cooling fan does not operate properly (Over-
heat).
●Cooling fan system does not operate prop-
erly (Overheat).
●Engine coolant was not added to the system
using the proper filling method.
●Harness or connectors
(The cooling fan circuit is open or
shorted.)
●Cooling fan
●Radiator hose
●Radiator
●Radiator cap
●Water pump
●Thermostat
For more information, refer to EC-335,
"Main 12 Causes of Overheating" .

Page 675 of 3833

NISSAN X-TRAIL 2001 Service Repair Manual DTC P1217 ENGINE OVER TEMPERATURE
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Overall Function CheckEBS00M93
Use this procedure to check the overall function of the cooling fan. During this

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NISSAN X-TRAIL 2001 Service Repair Manual EC-326
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DTC P1217 ENGINE OVER TEMPERATURE
8. Make sure that cooling fan operates at low speed.
If NG, go to EC-328, "
Diagnostic Procedure" .
If OK, go to the following st

Page 677 of 3833

NISSAN X-TRAIL 2001 Service Repair Manual DTC P1217 ENGINE OVER TEMPERATURE
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Wiring DiagramEBS00M94
TBWA0144E

Page 678 of 3833

NISSAN X-TRAIL 2001 Service Repair Manual EC-328
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DTC P1217 ENGINE OVER TEMPERATURE
Diagnostic Procedure
EBS00M95
1. INSPECTION START
Do you have CONSULT-II?
Ye s o r N o
Yes >> GO TO 2.
No >> GO TO 4.
2. CHECK COOLIN

Page 679 of 3833

NISSAN X-TRAIL 2001 Service Repair Manual DTC P1217 ENGINE OVER TEMPERATURE
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3.CHECK COOLING FAN HIGH SPEED OPERATION
With CONSULT-II
1. Turn ignition switch “OFF”.
2. Reconnect coolin

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NISSAN X-TRAIL 2001 Service Repair Manual EC-330
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DTC P1217 ENGINE OVER TEMPERATURE
5. CHECK COOLING FAN HIGH SPEED OPERATION
Without CONSULT-II
1. Turn ignition switch “OFF”.
2. Reconnect cooling fan relays-2 and -3.

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