Page 961 of 3833
DTC P1217 ENGINE OVER TEMPERATURE
EC-611
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10.CHECK MAIN 12 CAUSES
If the cause cannot be isolated, go to EC-615, "
Main 12 Causes of Overheating" .
>>INSPECTION END
Page 965 of 3833
![NISSAN X-TRAIL 2001 Service Repair Manual DTC P1217 ENGINE OVER TEMPERATURE
EC-615
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4.CHECK COOLING FAN OUTPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Disconnect ECM harness connector.
2. Check h NISSAN X-TRAIL 2001 Service Repair Manual DTC P1217 ENGINE OVER TEMPERATURE
EC-615
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4.CHECK COOLING FAN OUTPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Disconnect ECM harness connector.
2. Check h](/manual-img/5/57405/w960_57405-964.png)
DTC P1217 ENGINE OVER TEMPERATURE
EC-615
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4.CHECK COOLING FAN OUTPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Disconnect ECM harness connector.
2. Check harness continuity between ECM terminal 27 and cooling fan relay-2 terminal 2, cooling fan relay-3
terminal 2.
Refer to wiring diagram.
3. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 6.
NG >> GO TO 5.
5.DETECT MALFUNCTIONING PART
Check the following.
●Harness connectors E61, F38
●Harness for open or short between cooling fan relays-2, -3 and ECM
>> Repair open circuit or short to ground or short to power in harness or connectors.
6.CHECK COOLING FAN RELAYS-2 AND -3
Refer to EC-616, "
COOLING FAN RELAYS-1, -2 AND -3" .
OK or NG
OK >> GO TO 7.
NG >> Replace cooling fan relays.
7.CHECK COOLING FAN MOTORS
Refer to EC-616, "
COOLING FAN MOTORS-1 AND -2" .
OK or NG
OK >> GO TO 8.
NG >> Replace cooling fan motors.
8.CHECK INTERMITTENT INCIDENT
Perform EC-115, "
TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT" .
>>INSPECTION END
Main 12 Causes of OverheatingEBS00NIJ
Continuity should exist.
Engine Step Inspection item Equipment Standard Reference page
OFF 1
●Blocked radiator
●Blocked condenser
●Blocked radiator grille
●Blocked bumper
●Visual No blocking —
2
●Coolant mixture●Coolant tester 50 - 50% coolant mixture See MA-18, "Engine
Coolant Mixture Ratio" .
3
●Coolant level●Visual Coolant up to MAX level
in reservoir tank and radi-
ator filler neckSeeCO-29, "Changing
Engine Coolant" .
4
●Radiator cap●Pressure tester 59 - 98 kPa
(0.59 - 0.98 bar, 0.6 - 1.0
kg/cm
2 , 9 - 14 psi) (Limit)SeeMA-21, "
CHECKING
RADIATOR CAP" .
Page 966 of 3833
![NISSAN X-TRAIL 2001 Service Repair Manual EC-616
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DTC P1217 ENGINE OVER TEMPERATURE
*1: Turn the ignition switch ON.
*2: Engine running at 3,000 rpm for 10 minutes.
*3: Drive at 90 km/h (55 MPH) for 30 minutes and then NISSAN X-TRAIL 2001 Service Repair Manual EC-616
[QR25(WITHOUT EURO-OBD)]
DTC P1217 ENGINE OVER TEMPERATURE
*1: Turn the ignition switch ON.
*2: Engine running at 3,000 rpm for 10 minutes.
*3: Drive at 90 km/h (55 MPH) for 30 minutes and then](/manual-img/5/57405/w960_57405-965.png)
EC-616
[QR25(WITHOUT EURO-OBD)]
DTC P1217 ENGINE OVER TEMPERATURE
*1: Turn the ignition switch ON.
*2: Engine running at 3,000 rpm for 10 minutes.
*3: Drive at 90 km/h (55 MPH) for 30 minutes and then let idle for 10 minutes.
*4: After 60 minutes of cool down time.
For more information, refer to CO-5, "
OVERHEATING CAUSE ANALYSIS" .
Component InspectionEBS00NIK
COOLING FAN RELAYS-1, -2 AND -3
Check continuity between terminals 3 and 5, 6 and 7.
If NG, replace relay.
COOLING FAN MOTORS-1 AND -2
1. Disconnect cooling fan motor harness connectors.
2. Supply cooling fan motor terminals with battery voltage and
check operation.
Cooling fan motor should operate.
If NG, replace cooling fan motor.
ON*25●Coolant leaks●Visual No leaks See CO-29, "CHECKING
RADIATOR SYSTEM
FOR LEAKS" .
ON*
26●Thermostat●Touch the upper and
lower radiator hosesBoth hoses should be hot See CO-20, "THERMO-
STAT AND WATER CON-
TROL VALVE" , and CO-
11 , "RADIATOR" .
ON*
17●Cooling fan●CONSULT-II Operating See trouble diagnosis for
DTC P1217 (EC-603
).
OFF 8
●Combustion gas leak●Color checker chemical
tester 4 Gas analyzerNegative —
ON*
39●Coolant temperature
gauge●Visual Gauge less than 3/4
when driving—
●Coolant overflow to
reservoir tank●Visual No overflow during driving
and idlingSeeCO-29, "Changing
Engine Coolant" .
OFF*
410●Coolant return from
reservoir tank to radia-
tor●Visual Should be initial level in
reservoir tankSeeCO-29, "LEVEL
CHECK" .
OFF 11
●Cylinder head●Straight gauge feeler
gauge0.1 mm (0.004 in) Maxi-
mum distortion (warping)SeeEM-59, "CYLINDER
HEAD" .
12
●Cylinder block and pis-
tons●Visual No scuffing on cylinder
walls or pistonSeeEM-59, "CYLINDER
HEAD" . Engine Step Inspection item Equipment Standard Reference page
Conditions Continuity
12V direct current supply between terminals 1 and 2 Yes
No current supply No
SEF745U
SpeedTerminals
(+) (−)
Cooling fan motorLow 1 4
High 1, 2 3, 4
SEF734W
Page 1153 of 3833
![NISSAN X-TRAIL 2001 Service Repair Manual TROUBLE DIAGNOSIS
EC-803
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Fail-safe ChartEBS00MST
The ECM enters fail-safe mode, if any of the following malfunctions is detected due to the open or shor NISSAN X-TRAIL 2001 Service Repair Manual TROUBLE DIAGNOSIS
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Fail-safe ChartEBS00MST
The ECM enters fail-safe mode, if any of the following malfunctions is detected due to the open or shor](/manual-img/5/57405/w960_57405-1152.png)
TROUBLE DIAGNOSIS
EC-803
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Fail-safe ChartEBS00MST
The ECM enters fail-safe mode, if any of the following malfunctions is detected due to the open or short circuit.
When the ECM enters the fail-safe mode, the MI illuminates.
Priority Detected items (DTC)
1
●U1000 CAN communication line
●P0102 P0103 P1102 Mass air flow sensor
●P0112 P0113 Intake air temperature sensor
●P0117 P0118 Engine coolant temperature sensor
●P0120 Throttle position sensor
●P0121 Accelerator pedal position sensor
●P0327 P0328 Knock sensor
●P0335 Crankshaft position sensor (POS)
●P0340 Camshaft position sensor (PHASE)
●P0500 Vehicle speed sensor
●P0605 ECM
●P0705 Park/Neutral position (PNP) sensor
●P1706 Park/Neutral position (PNP) switch
2
●P0031 P0032 Heated oxygen sensor 1 heater
●P0037 P0038 Heated oxygen sensor 2 heater
●P0132 P0133 P0134 P1143 P1144 Heated oxygen sensor 1
●P0138 P0139 P1146 P1147 Heated oxygen sensor 2
●P0444 P0445 EVAP canister purge volume control solenoid valve
●P0550 Power steering pressure sensor
●P0650 MI
●P0710-P0725, P0740-P0755, P1705 P1760 A/T related sensors and solenoid valves
●P1065 ECM power supply
●P 1111 I n ta k e v a l v e t i m i n g c o n t r o l s o l e n o i d v a l v e
●P1122 Electric throttle control function
●P1123 Throttle control motor relay
●P1212 ESP/TCS/ABS communication line
●P1805 Brake switch
3
●P0011 Intake valve timing control
●P0171 P0172 Fuel injection system function
●P0300 - P0304 Misfire
●P0420 Three way catalyst function
●P0731-P0734 A/T function
●P1121 Electric throttle control actuator
●P1217 Engine over temperature (OVERHEAT)
DTC No. Detected items Engine operating condition in fail-safe mode
P0102
P0103
P1102Mass air flow sensor circuit Engine speed will not rise more than 2,400 rpm due to the fuel cut.
Page 1159 of 3833
![NISSAN X-TRAIL 2001 Service Repair Manual TROUBLE DIAGNOSIS
EC-809
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16.CHECK TIMING CHAIN INSTALLATION
Check timing chain installation. Refer to EM-37, "
TIMING CHAIN" .
OK or NG
OK >> GO NISSAN X-TRAIL 2001 Service Repair Manual TROUBLE DIAGNOSIS
EC-809
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16.CHECK TIMING CHAIN INSTALLATION
Check timing chain installation. Refer to EM-37, "
TIMING CHAIN" .
OK or NG
OK >> GO](/manual-img/5/57405/w960_57405-1158.png)
TROUBLE DIAGNOSIS
EC-809
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16.CHECK TIMING CHAIN INSTALLATION
Check timing chain installation. Refer to EM-37, "
TIMING CHAIN" .
OK or NG
OK >> GO TO 17.
NG >> 1. Repair the timing chain installation.
2. GO TO 4.
17.DETECT MALFUNCTIONING PART
Check the following.
●Check camshaft position sensor (PHASE) and circuit. Refer to EC-962 .
●Check crankshaft position sensor (POS) and circuit. Refer to EC-956 .
OK or NG
OK >> GO TO 18.
NG >> 1. Repair or replace.
2. GO TO 4.
18.CHECK ECM FUNCTION
1. Substitute another known-good ECM to check ECM function. (ECM may be the cause of an incident, but
this is the rarely the case.)
2. Perform initialization of NATS system and registration of NATS ignition key IDs. Refer to EC-790, "
NATS
(Nissan Anti-theft System)" .
>> GO TO 4.
Symptom Matrix ChartEBS00MSV
SYSTEM — BASIC ENGINE CONTROL SYSTEM
SYMPTOM
Reference
page
HARD/NO START/RESTART (EXCP. HA)
ENGINE STALL
HESITATION/SURGING/FLAT SPOT
SPARK KNOCK/DETONATION
LACK OF POWER/POOR ACCELERATION
HIGH IDLE/LOW IDLE
ROUGH IDLE/HUNTING
IDLING VIBRATION
SLOW/NO RETURN TO IDLE
OVERHEATS/WATER TEMPERATURE HIGH
EXCESSIVE FUEL CONSUMPTION
EXCESSIVE OIL CONSUMPTION
BATTERY DEAD (UNDER CHARGE)
Warranty symptom code AA AB AC AD AE AF AG AH AJ AK AL AM HA
Fuel Fuel pump circuit 11232 22 3 2EC-1092
Fuel pressure regulator system334444444 4EC-775
Injector circuit 11232 22 2EC-1083
Evaporative emission system334444444 4EC-1112
Page 1160 of 3833
![NISSAN X-TRAIL 2001 Service Repair Manual EC-810
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TROUBLE DIAGNOSIS
1 - 6: The numbers refer to the order of inspection.
(continued on next page)Air Positive crankcase ventilation sys-
tem334444444 41E C - 111 5
Incorrect NISSAN X-TRAIL 2001 Service Repair Manual EC-810
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TROUBLE DIAGNOSIS
1 - 6: The numbers refer to the order of inspection.
(continued on next page)Air Positive crankcase ventilation sys-
tem334444444 41E C - 111 5
Incorrect](/manual-img/5/57405/w960_57405-1159.png)
EC-810
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TROUBLE DIAGNOSIS
1 - 6: The numbers refer to the order of inspection.
(continued on next page)Air Positive crankcase ventilation sys-
tem334444444 41E C - 111 5
Incorrect idle speed adjustment 33 1111 1EC-805
Electric throttle control actuator 112332222 2 2EC-1010
,
EC-1012
,
EC-1018
IgnitionIncorrect ignition timing adjustment33111 11 1EC-805
Ignition circuit 11222 22 2EC-1074
Main power supply and ground circuit 22333 33 23EC-848
Mass air flow sensor circuit 11222 22 2EC-870,
EC-999
Engine coolant temperature sensor circuit 11222322312EC-881
Throttle position sensor circuit 12 22222 2EC-886
Accelerator pedal position sensor circuit3212 2EC-893
Heated oxygen sensor 1 circuit 1232 22 2EC-899
,
EC-905
,
EC-914
,
EC-1023
,
EC-1029
Knock sensor circuit 2 2 3EC-951
Crankshaft position sensor (POS) circuit 2 2EC-956
Camshaft position sensor (PHASE) circuit 2 2EC-962
Vehicle speed signal circuit 2 3 3 3EC-978
Power steering pressure sensor circuit 2 3333EC-983
ECM 22333333333EC-988,
EC-995
Intake valve timing control solenoid valve cir-
cuit332 13223 3EC-857,
EC-1005
PNP switch circuit 3 3 3 3 3 3 3EC-1064
Start signal circuit 2EC-1088
Refrigerant pressure sensor circuit 2 3333 4EC-1099
Electrical load signal circuit3333EC-1103
Air conditioner circuit 223333333 3 2AT C - 3 3
SYMPTOM
Reference
page
HARD/NO START/RESTART (EXCP. HA)
ENGINE STALL
HESITATION/SURGING/FLAT SPOT
SPARK KNOCK/DETONATION
LACK OF POWER/POOR ACCELERATION
HIGH IDLE/LOW IDLE
ROUGH IDLE/HUNTING
IDLING VIBRATION
SLOW/NO RETURN TO IDLE
OVERHEATS/WATER TEMPERATURE HIGH
EXCESSIVE FUEL CONSUMPTION
EXCESSIVE OIL CONSUMPTION
BATTERY DEAD (UNDER CHARGE)
Warranty symptom code AA AB AC AD AE AF AG AH AJ AK AL AM HA
Page 1161 of 3833
![NISSAN X-TRAIL 2001 Service Repair Manual TROUBLE DIAGNOSIS
EC-811
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SYSTEM — ENGINE MECHANICAL & OTHER
SYMPTOM
Reference
page
HARD/NO START/RESTART (EXCP. HA)
ENGINE STALL
HESITATION/SURGING/F NISSAN X-TRAIL 2001 Service Repair Manual TROUBLE DIAGNOSIS
EC-811
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SYSTEM — ENGINE MECHANICAL & OTHER
SYMPTOM
Reference
page
HARD/NO START/RESTART (EXCP. HA)
ENGINE STALL
HESITATION/SURGING/F](/manual-img/5/57405/w960_57405-1160.png)
TROUBLE DIAGNOSIS
EC-811
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SYSTEM — ENGINE MECHANICAL & OTHER
SYMPTOM
Reference
page
HARD/NO START/RESTART (EXCP. HA)
ENGINE STALL
HESITATION/SURGING/FLAT SPOT
SPARK KNOCK/DETONATION
LACK OF POWER/POOR ACCELERATION
HIGH IDLE/LOW IDLE
ROUGH IDLE/HUNTING
IDLING VIBRATION
SLOW/NO RETURN TO IDLE
OVERHEATS/WATER TEMPERATURE HIGH
EXCESSIVE FUEL CONSUMPTION
EXCESSIVE OIL CONSUMPTION
BATTERY DEAD (UNDER CHARGE)
Warranty symptom code AA AB AC AD AE AF AG AH AJ AK AL AM HA
Fuel Fuel tank
5
5FL-9
Fuel piping 5 5 5 5 5 5FL-3,EM-
32
Vapor lock—
Valve deposit
555555 5—
Poor fuel (Heavy weight gaso-
line, Low octane)—
Air Air duct
55555 5EM-14
Air cleanerEM-14
Air leakage from air duct
(Mass air flow sensor —electric
throttle control actuator)
5555EM-14
Electric throttle control actuatorEM-16
Air leakage from intake manifold/
Collector/GasketEM-16
Cranking Battery
111111 11SC-3
Alternator circuitSC-12
Starter circuit 3SC-20
Signal plate 6EM-73
PNP switch
4MT-12 or
AT- 11 5
Engine Cylinder head
55555 55 5EM-59
Cylinder head gasket 4 3
Cylinder block
66666 66 64
EM-73
Piston
Piston ring
Connecting rod
Bearing
Crankshaft
Va l v e
mecha-
nismTiming chain
55555 55 5EM-37
CamshaftEM-46
Intake valve
3EM-59
Exhaust valve
Page 1162 of 3833
![NISSAN X-TRAIL 2001 Service Repair Manual EC-812
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TROUBLE DIAGNOSIS
1 - 6: The numbers refer to the order of inspection.Exhaust Exhaust manifold/Tube/Muffler/
Gasket
55555 55 5EM-24
,EX-
2Three way catalyst
Lubrica-
tionO NISSAN X-TRAIL 2001 Service Repair Manual EC-812
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TROUBLE DIAGNOSIS
1 - 6: The numbers refer to the order of inspection.Exhaust Exhaust manifold/Tube/Muffler/
Gasket
55555 55 5EM-24
,EX-
2Three way catalyst
Lubrica-
tionO](/manual-img/5/57405/w960_57405-1161.png)
EC-812
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TROUBLE DIAGNOSIS
1 - 6: The numbers refer to the order of inspection.Exhaust Exhaust manifold/Tube/Muffler/
Gasket
55555 55 5EM-24
,EX-
2Three way catalyst
Lubrica-
tionOil pan/Oil strainer/Oil pump/Oil
filter/Oil gallery/Oil cooler
55555 55 52EM-26
,LU-
9 , LU-10 ,
LU-13
Oil level (Low)/Filthy oilLU-7
Cooling Radiator/Hose/Radiator filler cap
55555 55 25CO-11
Thermostat 5CO-20
Water pumpCO-18
Water galleryCO-7
Cooling fan 5CO-11
Coolant level (low)/Contaminated
coolantCO-9
NATS (Nissan Anti-theft System) 1 1EC-790 or
BL-80
ESP/TCS/ABS control unit 2 2EC-1049 o r
BRC-64
SYMPTOM
Reference
page
HARD/NO START/RESTART (EXCP. HA)
ENGINE STALL
HESITATION/SURGING/FLAT SPOT
SPARK KNOCK/DETONATION
LACK OF POWER/POOR ACCELERATION
HIGH IDLE/LOW IDLE
ROUGH IDLE/HUNTING
IDLING VIBRATION
SLOW/NO RETURN TO IDLE
OVERHEATS/WATER TEMPERATURE HIGH
EXCESSIVE FUEL CONSUMPTION
EXCESSIVE OIL CONSUMPTION
BATTERY DEAD (UNDER CHARGE)
Warranty symptom code AA AB AC AD AE AF AG AH AJ AK AL AM HA