Page 1665 of 3066
DTC P1217 ENGINE OVER TEMPERATURE
EC-551
[QR (WITHOUT EURO-OBD)]
C
D
E
F
G
H
I
J
K
L
MA
EC
13. Restart engine and make sure that cooling fan operates at
higher speed than low speed.
Be careful not to overheat engine.
14. If NG, go toEC-553, "
Diagnostic Procedure".
MEC475B
Page 1666 of 3066
EC-552
[QR (WITHOUT EURO-OBD)]
DTC P1217 ENGINE OVER TEMPERATURE
Wiring Diagram
EBS00BJE
TBWA0071E
Page 1667 of 3066
![NISSAN X-TRAIL 2003 Electronic Repair Manual DTC P1217 ENGINE OVER TEMPERATURE
EC-553
[QR (WITHOUT EURO-OBD)]
C
D
E
F
G
H
I
J
K
L
MA
EC
Diagnostic ProcedureEBS00BJF
1.INSPECTION START
Do you have CONSULT-II?
Ye s o r N o
Yes >>GOTO2.
No >> GO TO NISSAN X-TRAIL 2003 Electronic Repair Manual DTC P1217 ENGINE OVER TEMPERATURE
EC-553
[QR (WITHOUT EURO-OBD)]
C
D
E
F
G
H
I
J
K
L
MA
EC
Diagnostic ProcedureEBS00BJF
1.INSPECTION START
Do you have CONSULT-II?
Ye s o r N o
Yes >>GOTO2.
No >> GO TO](/manual-img/5/57402/w960_57402-1666.png)
DTC P1217 ENGINE OVER TEMPERATURE
EC-553
[QR (WITHOUT EURO-OBD)]
C
D
E
F
G
H
I
J
K
L
MA
EC
Diagnostic ProcedureEBS00BJF
1.INSPECTION START
Do you have CONSULT-II?
Ye s o r N o
Yes >>GOTO2.
No >> GO TO 4.
2.CHECK COOLING FAN LOW SPEED OPERATION
With CONSULT-II
1. Disconnect cooling fan relays-2 and -3.
2. Turn ignition switch “ON”.
3. Perform “COOLING FAN” in “ACTIVE TEST” mode with CON-
SULT-II.
4. Make sure that cooling fans-1 and -2 operate at low speed.
OK or NG
OK >> GO TO 3.
NG >> Check cooling fan low speed control circuit. (Go toEC-
556, "PROCEDURE A".)
3.CHECK COOLING FAN HIGH SPEED OPERATION
With CONSULT-II
1. Turn ignition switch “OFF”.
2. Reconnect cooling fan relays-2 and -3.
3. Turn ignition switch “ON”.
4. Perform “COOLING FAN” in “ACTIVE TEST” mode with CON-
SULT-II.
5. Make sure that cooling fans-1 and -2 operate at higher speed
than low speed.
OK or NG
OK >> GO TO 6.
NG >> Check cooling fan high speed control circuit. (Go toEC-
558, "PROCEDURE B".)
PBIB0505E
SEF784Z
SEF785Z
Page 1668 of 3066
![NISSAN X-TRAIL 2003 Electronic Repair Manual EC-554
[QR (WITHOUT EURO-OBD)]
DTC P1217 ENGINE OVER TEMPERATURE
4.CHECK COOLING FAN LOW SPEED OPERATION
Without CONSULT-II
1. Disconnect cooling fan relays-2 and -3.
2. Start engine and let it idle.
NISSAN X-TRAIL 2003 Electronic Repair Manual EC-554
[QR (WITHOUT EURO-OBD)]
DTC P1217 ENGINE OVER TEMPERATURE
4.CHECK COOLING FAN LOW SPEED OPERATION
Without CONSULT-II
1. Disconnect cooling fan relays-2 and -3.
2. Start engine and let it idle.](/manual-img/5/57402/w960_57402-1667.png)
EC-554
[QR (WITHOUT EURO-OBD)]
DTC P1217 ENGINE OVER TEMPERATURE
4.CHECK COOLING FAN LOW SPEED OPERATION
Without CONSULT-II
1. Disconnect cooling fan relays-2 and -3.
2. Start engine and let it idle.
3. Set temperature lever at full cold position.
4. Turn air conditioner switch “ON”.
5. Turn blower fan switch “ON”.
6. Make sure that cooling fans-1 and -2 operate at low speed.
OK or NG
OK >> GO TO 5.
NG >> Check cooling fan low speed control circuit. (Go toEC-
556, "PROCEDURE A".)
5.CHECK COOLING FAN HIGH SPEED OPERATION
Without CONSULT-II
1. Turn ignition switch “OFF”.
2. Reconnect cooling fan relays-2 and -3.
3. Turn air conditioner switch and blower fan switch “OFF”.
4. Disconnect engine coolant temperature sensor harness connector.
5. Connect 150Wresistor to engine coolant temperature sensor harness connector.
6. Restart engine and make sure that cooling fans-1 and -2 oper-
ate at higher speed than low speed.
OK or NG
OK >> GO TO 6.
NG >> Check cooling fan high speed control circuit. (Go toEC-
558, "PROCEDURE B".)
PBIB0505E
SEC163BA
MEC475B
Page 1669 of 3066
![NISSAN X-TRAIL 2003 Electronic Repair Manual DTC P1217 ENGINE OVER TEMPERATURE
EC-555
[QR (WITHOUT EURO-OBD)]
C
D
E
F
G
H
I
J
K
L
MA
EC
6.CHECK COOLING SYSTEM FOR LEAK
Apply pressure to the cooling system with a tester, and check if the
pressure NISSAN X-TRAIL 2003 Electronic Repair Manual DTC P1217 ENGINE OVER TEMPERATURE
EC-555
[QR (WITHOUT EURO-OBD)]
C
D
E
F
G
H
I
J
K
L
MA
EC
6.CHECK COOLING SYSTEM FOR LEAK
Apply pressure to the cooling system with a tester, and check if the
pressure](/manual-img/5/57402/w960_57402-1668.png)
DTC P1217 ENGINE OVER TEMPERATURE
EC-555
[QR (WITHOUT EURO-OBD)]
C
D
E
F
G
H
I
J
K
L
MA
EC
6.CHECK COOLING SYSTEM FOR LEAK
Apply pressure to the cooling system with a tester, and check if the
pressure drops.
CAUTION:
Higher than the specified pressure may cause radiator damage.
Pressure should not drop.
OK or NG
OK >> GO TO 7.
NG >> Check the following for leak
lHose
lRadiator
lWater pump
Refer toCO-19, "
WATER PUMP".
7.CHECKRADIATORCAP
Applypressuretocapwithatester.
OK or NG
OK >> GO TO 8.
NG >> Replace radiator cap.
8.CHECK THERMOSTAT
1. Check valve seating condition at normal room temperatures.
It should seat tightly.
2. Check valve opening temperature and valve lift.
3. Check if valve is closed at 5°C(9°F) below valve opening tem-
perature.
For details, refer toCO-21, "
THERMOSTAT AND WATER CON-
TROL VALVE".
OK or NG
OK >> GO TO 9.
NG >> Replace thermostat
9.CHECK ENGINE COOLANT TEMPERATURE SENSOR
Refer toEC-474, "
Component Inspection".
OK or NG
OK >> GO TO 10.
NG >> Replace engine coolant temperature sensor.Testing pressure: 157 kPa (1.57 bar, 1.6 kg/cm
2,23psi)
SLC754A
Radiator cap relief pressure: 59 - 98 kPa (0.59 - 0.98 bar,
0.6-1.0kg/cm
2,9-14psi)
SLC755A
Valve opening temperature: 82°C(180°F) [standard]
Valve lift: More than 8 mm/95°C
(0.31 in/203°F)
SLC343
Page 1670 of 3066
EC-556
[QR (WITHOUT EURO-OBD)]
DTC P1217 ENGINE OVER TEMPERATURE
10.CHECK MAIN 12 CAUSES
If the cause cannot be isolated, go toEC-560, "
Main 12 Causes of Overheating".
>>INSPECTION END
PROCEDURE A
1.CHECK POWER SUPPLY
1. Turn ignition switch “OFF”.
2. Disconnect cooling fan relay-1.
3. Turn ignition switch “ON”.
4. Check voltage between cooling fan relay-1 terminals 1, 5, 7 and
ground with CONSULT-II or tester.
OK or NG
OK >> GO TO 3.
NG >> GO TO 2.
2.DETECT MALFUNCTIONING PART
Check the following.
l10A fuse
lFuse block (J/B) connector E103
l40A fusible links
lHarness for open or short between cooling fan relay-1 and fuse
lHarness for open or short between cooling fan relay-1 and battery
>> Repair open circuit or short to ground or short to power in harness or connectors. Voltage: Battery voltage
PBIB0577E
Page 1671 of 3066
![NISSAN X-TRAIL 2003 Electronic Repair Manual DTC P1217 ENGINE OVER TEMPERATURE
EC-557
[QR (WITHOUT EURO-OBD)]
C
D
E
F
G
H
I
J
K
L
MA
EC
3.CHECK COOLING FAN MOTORS CIRCUIT
1. Turn ignition switch “OFF”.
2. Disconnect cooling fan motor-1 harne NISSAN X-TRAIL 2003 Electronic Repair Manual DTC P1217 ENGINE OVER TEMPERATURE
EC-557
[QR (WITHOUT EURO-OBD)]
C
D
E
F
G
H
I
J
K
L
MA
EC
3.CHECK COOLING FAN MOTORS CIRCUIT
1. Turn ignition switch “OFF”.
2. Disconnect cooling fan motor-1 harne](/manual-img/5/57402/w960_57402-1670.png)
DTC P1217 ENGINE OVER TEMPERATURE
EC-557
[QR (WITHOUT EURO-OBD)]
C
D
E
F
G
H
I
J
K
L
MA
EC
3.CHECK COOLING FAN MOTORS CIRCUIT
1. Turn ignition switch “OFF”.
2. Disconnect cooling fan motor-1 harness connector and cooling
fan motor-2 harness connector.
3. Check harness continuity between cooling fan relay-1 terminal 3
and cooling fan motor-1 terminal 1, cooling fan motor-1 terminal
4 and body ground.
Refer to wiring diagram.
4. Also check harness for short to ground and short to power.
5. Check harness continuity between cooling fan relay-1 terminal 6
and cooling fan motor-2 terminal 1, cooling fan motor-2 terminal
4 and body ground.
Refer to wiring diagram.
6. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 4.
NG >> Repair open circuit or short to ground or short to power in harness or connectors.
4.CHECK OUTPUT SIGNAL CIRCUIT
1. Disconnect ECM harness connector.
2. Check harness continuity between ECM terminal 37 and cooling fan relay-1 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.
lHarness connectors E61, F38
lHarness for open or short between cooling fan relay-1 and ECM
>> Repair open circuit or short to ground or short to power in harness or connectors.
6.CHECK COOLING FAN RELAY-1
Refer toEC-561, "
Component Inspection".
OK or NG
OK >> GO TO 7.
NG >> Replace cooling fan relay.
7.CHECK COOLING FAN MOTORS-1 AND -2
Refer toEC-561, "
Component Inspection".
OK or NG
OK >> GO TO 8.
NG >> Replace cooling fan motors.Continuity should exist.
Continuity should exist.
PBIB0504E
Continuity should exist.
Page 1672 of 3066
EC-558
[QR (WITHOUT EURO-OBD)]
DTC P1217 ENGINE OVER TEMPERATURE
8.CHECK INTERMITTENT INCIDENT
PerformEC-453, "
TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT".
>>INSPECTION END
PROCEDURE B
1.CHECK POWER SUPPLY
1. Turn ignition switch “OFF”.
2. Disconnect cooling fan relays-2 and -3.
3. Turn ignition switch “ON”.
4. Check voltage between cooling fan relays-2 and -3 terminals 1,
3 and ground with CONSULT-II or tester.
OK or NG
OK >> GO TO 3.
NG >> GO TO 2.
2.DETECT MALFUNCTIONING PART
Check the following.
l10A fuse
lFuse block (J/B) connector E103
l40A fusible links
lHarness for open or short between cooling fan relays-2 and -3 and fuse
lHarness for open or short between cooling fan relays-2 and -3 and fusible links
>> Repair harness or connectors. Voltage: Battery voltage
PBIB0251E