2003 NISSAN X-TRAIL Electronic Repair Manual

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NISSAN X-TRAIL 2003 Electronic Repair Manual DTC P1217 ENGINE OVER TEMPERATURE
EC-311
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DTC P1217 ENGINE OVER TEMPERATUREPFP:00000
System DescriptionEBS00BCJ
COOLING FAN CONTROL
The ECM controls the c

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NISSAN X-TRAIL 2003 Electronic Repair Manual EC-312
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DTC P1217 ENGINE OVER TEMPERATURE
ECM Terminals and Reference Value
EBS00BCL
Specification data are reference values and are measured between each terminal and body ground.

EC-312
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DTC P1217 ENGINE OVER TEMPERATURE
ECM Terminals and Reference Value
EBS00BCL
Specification data are reference values and are measured between each terminal and body 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 LogicEBS00BCM
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.
CAUTION:
When a malfunction is indicated, be sure to replace the coolant. Refer toCO-9, "
Changing Engine
Coolant". Also, replace the engine oil. Refer toLU-8, "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 toMA-19, "
Engine Coolant Mixture Ratio".
2. After refilling coolant, run engine to ensure that no water-flow noise is emitted.
Overall Function CheckEBS00BCN
Use this procedure to check the overall function of the cooling fan. During this check, a DTC might not be con-
firmed.
COOLING FAN
lEngine: After warming up, idle
the engine
lAir 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]
lCooling fan is not operatingBATTERY VOLTAGE
(11 - 14V)
[Engine is running]
lCooling fan is high speed operating0-1.0V
37 LGCooling fan relay
(Low)[Engine is running]
lCooling fan is not operatingBATTERY VOLTAGE
(11 - 14V)
[Engine is running]
lCooling fan is operating0-1.0V
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P1217
1217Engine over tempera-
ture (Overheat)
lCooling fan does not operate properly (Over-
heat).
lCooling fan system does not operate prop-
erly (Overheat).
lEngine coolant was not added to the system
using the proper filling method.
lHarness or connectors
(The cooling fan circuit is open or
shorted.)
lCooling fan
lRadiator hose
lRadiator
lRadiator cap
lWater pum p
lThermostat
For more information, refer toEC-323,
"Main 12 Causes of Overheating".

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NISSAN X-TRAIL 2003 Electronic Repair Manual DTC P1217 ENGINE OVER TEMPERATURE
EC-313
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WA RN ING:
Never remove the radiator cap when the engine is hot. Serious burns could be caused by high pres-
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NISSAN X-TRAIL 2003 Electronic Repair Manual EC-314
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DTC P1217 ENGINE OVER TEMPERATURE
8. Make sure that cooling fan operates at low speed.
If NG, go toEC-316, "
Diagnostic Procedure".
If OK, go to the following step.
9. Turn

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NISSAN X-TRAIL 2003 Electronic Repair Manual DTC P1217 ENGINE OVER TEMPERATURE
EC-315
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Wiring DiagramEBS00BCO
TBWA0071E

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NISSAN X-TRAIL 2003 Electronic Repair Manual EC-316
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DTC P1217 ENGINE OVER TEMPERATURE
Diagnostic Procedure
EBS00BCP
1.INSPECTION START
DoyouhaveCONSULT-II?
Ye s o r N o
Yes >> GOTO2
No >> GOTO4
2.CHECK COOLING FAN LOW SPEED

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NISSAN X-TRAIL 2003 Electronic Repair Manual DTC P1217 ENGINE OVER TEMPERATURE
EC-317
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3.CHECK COOLING FAN HIGH SPEED OPERATION
With CONSULT-II
1. Turn ignition switch “OFF”.
2. Reconnect cooling

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NISSAN X-TRAIL 2003 Electronic Repair Manual EC-318
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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.
3

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