2005 NISSAN X-TRAIL check

EC-1130
[YD (WITH EURO-OBD)]
DTC P0217 ENGINE OVER TEMPERATURE

5. CHECK COOLING FAN HIGH SPEED OPERATION-I
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 connec-
tor.
5. Connect 150Ω resistor 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 to EC-
11 3 4 , "PROCEDURE B" .)
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.
OK or NG
OK >> GO TO 8.
NG >> GO TO 7.
7. DETECT MALFUNCTIONING PART
Check the following for leak.

Hose

Radiator

Water pump (Refer to CO-43, "WATER PUMP" .)
>> Repair or replace.
PBIB1892E
MEC475B
Testing pressure: 157 kPa (1.57 bar, 1.6 kg/cm2 , 23psi)
Pressure should not drop.
SLC754A

DTC P0217 ENGINE OVER TEMPERATURE
EC-1131
[YD (WITH EURO-OBD)]
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8. CHECK RADIATOR CAP
Apply pressure to cap with a tester and check radiator cap relief
pressure.
OK or NG
OK >> GO TO 9.
NG >> Replace radiator cap.
9. CHECK THERMOSTAT
1. Remove thermostat.
2. Check valve seating condition at normal room temperatures.
It should seat tightly.
3. Check valve opening temperature and valve lift.
4. Check if valve is closed at 5°C (9°F) below valve opening tem-
perature. For details, refer to CO-45, "
THERMOSTAT AND
WATER PIPING" .
OK or NG
OK >> GO TO 10.
NG >> Replace thermostat.
10. CHECK ENGINE COOLANT TEMPERATURE SENSOR
Refer to EC-1137, "
Component Inspection" .
OK or NG
OK >> GO TO 11.
NG >> Replace engine coolant temperature sensor.
11 . CHECK MAIN 12 CAUSES
If the cause cannot be isolated, go to EC-1136, "
Main 12 Causes of Overheating" .
>>INSPECTION END Radiator cap relief pressure:
59 - 98 kPa (0.59 - 0.98 bar, 0.6 - 1.0 kg/cm
2 , 9 - 14 psi)
SLC755A
Valve opening temperature:
80 - 84 °C (176 - 183 °F)
Valve lift:
More than 10 mm/95 °C (0.39 in/203 °F)
SLC343

EC-1132
[YD (WITH EURO-OBD)]
DTC P0217 ENGINE OVER TEMPERATURE

PROCEDURE A
1. CHECK COOLING FAN POWER SUPPLY CIRCUIT
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.

Fuse block (J/B) connector E103

10A fuse

40A fusible links

Harness for open or short between cooling fan relay-1 and fuse

Harness 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.
PBIB1935E
Voltage: Battery voltage
PBIB0422E

DTC P0217 ENGINE OVER TEMPERATURE
EC-1133
[YD (WITH EURO-OBD)]
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3. CHECK COOLING FAN GROUND CIRCUIT FOR OPEN AND SHORT
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 the following.
–Cooling fan relay-1 terminal 3 and cooling fan motor-1 terminal 1
–Cooling fan relay-1 terminal 6 and cooling fan motor-2 terminal 1
–Cooling fan motor-1 terminal 4 and ground
–Cooling fan motor-2 terminal 4 and ground
Refer to Wiring Diagram.
4. 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 COOLING FAN MOTOR OUTPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Disconnect ECM harness connector.
2. Check harness continuity between cooling fan relay-1 terminal 2 and ECM terminal 36.
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 E64, F5

Harness 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 to EC-1137, "
Component Inspection" .
OK or NG
OK >> GO TO 7.
NG >> Replace cooling fan relay.
7. CHECK COOLING FAN MOTORS-1 AND -2
Refer to EC-1137, "
Component Inspection" .
OK or NG
OK >> GO TO 8.
NG >> Replace cooling fan motors.Continuity should exist.
PBIB1895E
Continuity should exist.

EC-1134
[YD (WITH EURO-OBD)]
DTC P0217 ENGINE OVER TEMPERATURE

8. CHECK INTERMITTENT INCIDENT
Perform EC-1045, "
TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT" .
>>INSPECTION END
PROCEDURE B
1. CHECK COOLING FAN RELAYS-2 AND -3 POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect cooling fan relay-2 and -3.
3. Turn ignition switch ON.
4. Check voltage between cooling fan relays-2, -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.

Fuse block (J/B) connector E103

10A fuse

40A fusible links

Harness for open or short between cooling fan relays-2, -3 and fuse

Harness for open or short between cooling fan relays-2, -3 and battery
>> Repair open circuit or short to ground or short to power in harness or connectors.
PBIB1935E
Voltage: Battery voltage
PBIB0251E

DTC P0217 ENGINE OVER TEMPERATURE
EC-1135
[YD (WITH EURO-OBD)]
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3. CHECK COOLING FAN RELAY GROUND CIRCUIT FOR OPEN AND SHORT
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 the following.
–Cooling fan relay-2 terminal 5 and cooling fan motor-1 terminal 2
–Cooling fan relay-2 terminal 6 and cooling fan motor-1 terminal 3
–Cooling fan relay-2 terminal 7 and ground.
Refer to Wiring Diagram.
4. Also check harness for short to ground and short to power.
5. Check harness continuity between the following.
–Cooling fan relay-3 terminal 5 and cooling fan motor-2 terminal 2
–Cooling fan relay-3 terminal 6 and cooling fan motor-2 terminal 3
–Cooling fan relay-3 terminal 7 and ground
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 power in harness or connectors.
4. CHECK COOLING FAN MOTOR OUTPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Disconnect ECM harness connector.
2. Check harness continuity between cooling fan relay-2 terminal 2 and ECM terminal 34, cooling fan relay-3
terminal 2 and ECM terminal 34.
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 E64, F5

Harness for open or short between cooling fan relay-2 and ECM

Harness for open or short between cooling fan relay-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-1137, "
Component Inspection" .
OK or NG
OK >> GO TO 7.
NG >> Replace cooling fan relays.Continuity should exist.
Continuity should exist.
PBIB1895E
Continuity should exist.

EC-1136
[YD (WITH EURO-OBD)]
DTC P0217 ENGINE OVER TEMPERATURE

7. CHECK COOLING FAN MOTORS-1 AND -2
Refer to EC-1137, "
Component Inspection" .
OK or NG
OK >> GO TO 7.
NG >> Replace cooling fan relays.
8. CHECK INTERMITTENT INCIDENT
Perform EC-1045, "
TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT" .
>>INSPECTION END
Main 12 Causes of OverheatingEBS011A4
*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-28, "
OVERHEATING CAUSE ANALYSIS" . 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-19, "Engine
Coolant Mixture Ratio" .
3

Coolant level
Visual Coolant up to MAX level
in reservoir tank and radi-
ator filler neckSee CO-32, "LEVEL
CHECK" .
4

Radiator cap
Pressure tester 59 - 98 kPa
(0.59 - 0.98 bar, 0.6 - 1.0
kg/cm
2 , 9 - 14 psi) (Limit)See MA-33, "
CHECKING
RADIATOR CAP" .
ON*
25
Coolant leaks
Visual No leaks See CO-32, "CHECKING
RADIATOR SYSTEM
FOR LEAKS" .
ON*
26
Thermostat
Touch the upper and
lower radiator hosesBoth hoses should be hot See CO-45, "THERMO-
STAT AND WATER PIP-
ING" , and CO-35,
"RADIATOR" .
ON*
17
Cooling fan
CONSULT-II Operating See trouble diagnosis for
DTC P0217 (EC-1124
).
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 idlingSee MA-30, "Changing
Engine Coolant" .
OFF*
410
Coolant return from
reservoir tank to radia-
tor
Visual Should be initial level in
reservoir tankSee CO-32, "LEVEL
CHECK" .
OFF 11

Cylinder head
Straight gauge feeler
gauge0.1 mm (0.004 in) Maxi-
mum distortion (warping)SeeEM-209, "CYLIN-
DER HEAD" .
12

Cylinder block and pis-
tons
Visual No scuffing on cylinder
walls or pistonSee EM-230, "CYLIN-
DER BLOCK" .

DTC P0217 ENGINE OVER TEMPERATURE
EC-1137
[YD (WITH EURO-OBD)]
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Component InspectionEBS011A5
COOLING FAN RELAY-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.
Conditions Continuity
12V direct current supply between terminals 1 and 2 Yes
No current supply No
SEF745U
SpeedTe r m i n a l s
(+) (-)
Cooling fan motorLow 1 4
High 1, 2 3, 4
SEF734W