NISSAN X-TRAIL 2005 Service Repair Manual

DTC P0201 - P0204 FUEL INJECTOR
EC-1477
[YD (WITHOUT EURO-OBD)]
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Specification data are reference values and are measured between each terminal and ground.
Pulse signal is measured by CONSULT-II.
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.
: Average voltage for pulse signal (Actual pulse signal can be confirmed by oscilloscope.) TERMI-
NAL
NO.WIRE
COLORITEM CONDITIONDATA
(DC Voltage and Pulse Signal)
4
5W/B
G/BFuel injector power supply
(For cylinder No. 1 and 4)
Fuel injector power supply
(For cylinder No. 2 and 3)[Engine is running]

Warm-up condition

Idle speed
NOTE:
The pulse cycle changes depending on rpm at
idle.5 - 10V
[Engine is running]

Warm-up condition

Engine speed is 2,000 rpm5 - 10V
21
22
23
24G/R
GY/L
G/R
GY/LFuel injector No. 2
Fuel injector No. 2
Fuel injector No. 3
Fuel injector No. 3[Engine is running]

Warm-up condition

Idle speed
NOTE:
The pulse cycle changes depending on rpm at
idle.0 - 9V
[Engine is running]

Warm-up condition

Engine speed is 2,000 rpm0 - 9V
40
41
42
43G/R
GY/L
G/R
GY/LFuel injector No. 4
Fuel injector No. 4
Fuel injector No. 1
Fuel injector No. 1[Engine is running]

Warm-up condition

Idle speed
NOTE:
The pulse cycle changes depending on rpm at
idle.0 - 9V
[Engine is running]

Warm-up condition

Engine speed is 2,000 rpm0 - 9V
MBIB0883E
MBIB0884E
MBIB0881E
MBIB0882E
MBIB0881E
MBIB0882E

EC-1478
[YD (WITHOUT EURO-OBD)]
DTC P0201 - P0204 FUEL INJECTOR

Diagnostic ProcedureEBS01202
1. CHECK FUEL INJECTOR POWER SUPPLY FOR OPEN AND SHORT CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Disconnect fuel injector harness connector.
4. Check harness continuity between the following terminals corre-
sponding to the malfunctioning cylinder. Refer to Wiring Dia-
gram.
5. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 2.
NG >> Repair open circuit or short to ground or short to power in harness or connectors.
2. CHECK FUEL INJECOR OUTPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Check harness continuity between the following terminals corresponding to the malfunctioning cylinder.
Refer to Wiring Diagram.
2. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 3.
NG >> Repair open circuit or short to ground or short to power in harness or connectors.
3. CHECK FUEL INJECTOR-I
Refer to EC-1479, "
Component Inspection" .
OK or NG
OK >> GO TO 4.
NG >> Replace fuel injector.
DTCTerminal
Cylinder
ECM Fuel injector
P0201 4 3 No.1
P0202 5 3 No.2
P0203 5 3 No.3
P0204 4 3 No.4
Continuity should exist.
PBIB1896E
DTCTerminal
Cylinder
ECM Fuel injector
P0201 42, 43 4 No.1
P0202 21, 22 4 No.2
P0203 23, 24 4 No.3
P0204 40, 41 4 No.4
Continuity should exist.

DTC P0201 - P0204 FUEL INJECTOR
EC-1479
[YD (WITHOUT EURO-OBD)]
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4. CHECK FUEL INJECTOR-II
With CONSULT-II
1. Remove two fuel injectors of malfunctioning cylinder and another cylinder.
2. Install fuel injectors to different cylinder.
3. Reconnect ECM harness connector and fuel injector harness connector.
4. Turn ignition switch ON.
5. Select “SELF DIAG RESULTS” mode with CONSULT-II.
6. Touch “ERASE”.
7. Perform DTC Confirmation Procedure, EC-1475, "
DTC Confirmation Procedure" .
8. Is another DTC displayed?
Without CONSULT-II
1. Remove two fuel injectors of malfunctioning cylinder and another cylinder.
2. Install fuel injectors to different cylinder.
3. Reconnect ECM harness connector and fuel injector harness connector.
4. Turn ignition switch ON.
5. Erase the Diagnostic Test Mode II (Self-diagnostic results) memory. Refer to EC-1375
.
6. Perform DTC Confirmation Procedure, EC-1475, "
DTC Confirmation Procedure" .
7. Is another DTC displayed?
Ye s o r N o
OK >> Replace fuel injector or malfunctioning cylinder.
NG >> GO TO 5.
5. CHECK INTERMITTENT INCIDENT
Refer to EC-1414, "
TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT" .
>>INSPECTION END
Component InspectionEBS01203
FUEL INJECTOR
1. Disconnect fuel injector.
2. Check continuity between terminals as shown in the figure.
3. If NG, replace fuel injector.
Removal and InstallationEBS01204
FUEL INJECTOR
Refer to EM-167, "INJECTION TUBE AND FUEL INJECTOR" .
Continuity should exist.
PBIB0406E

EC-1480
[YD (WITHOUT EURO-OBD)]
DTC P0217 ENGINE OVER TEMPERATURE

DTC P0217 ENGINE OVER TEMPERATUREPFP:21481
System DescriptionEBS01205
COOLING FAN CONTROL
*: These signals are sent to the ECM through CAN communication line.
The ECM controls the cooling fan corresponding to the vehicle speed, engine coolant temperature, air condi-
tioner ON signal. The control system has 3-step control [HIGH/LOW/OFF].
OPERATION
CONSULT-II Reference Value in Data Monitor ModeEBS01206
Specification data are reference values.
On Board Diagnosis LogicEBS01208
Sensor Input signal to ECM ECM function Actuator
Vehicle speed sensor* Vehicle speed
Cooling fan
controlCooling fan relay Engine coolant temperature sensor Engine coolant temperature
Air conditioner switch* Air conditioner ON signal
SEF421Z
MONITOR ITEM CONDITION SPECIFICATION
COOLING FAN

When cooling fan is stopped. OFF

When cooling fans operate at low speed. LOW

When cooling fans operate at high speed. HI
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P0217
0217Engine over temperature
(Overheat)

Cooling fan does not operate properly (Over-
heat).

Cooling fan system does not operate properly
(Overheat).

Engine coolant was not added to the system
using the proper filling method.

Engine coolant is not within the specified
range.

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-1491,
"Main 12 Causes of Overheating" .

DTC P0217 ENGINE OVER TEMPERATURE
EC-1481
[YD (WITHOUT EURO-OBD)]
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Overall Function CheckEBS01209
Use this procedure to check the overall function of the cooling fan. During this check, a DTC might not be con-
firmed.
WARNING:

Never remove the radiator cap when the engine is hot. Serious burns could be caused by high
pressure fluid escaping from the radiator.

Wrap a thick cloth around cap. Carefully remove the cap by turning it a quarter turn to allow built-
up pressure to escape. Then turn the cap all the way off.
WITH CONSULT-II
1. Check the coolant level in the reservoir tank and radiator.
Allow engine to cool before checking coolant level.
If the coolant level in the reservoir tank and/or radiator is below
the proper range, skip the following steps and go to EC-1484,
"Diagnostic Procedure" .
2. Confirm whether customer filled the coolant or not. If customer
filled the coolant, skip the following steps and go to EC-1484,
"Diagnostic Procedure" .
3. Turn ignition switch ON.
4. Perform “COOLING FAN” in “ACTIVE TEST” mode with CON-
SULT-II.
5. If the results are NG, go to EC-1484, "
Diagnostic Procedure" .
WITHOUT CONSULT-II
1. Check the coolant level in the reservoir tank and radiator.
Allow engine to cool before checking coolant level.
If the coolant level in the reservoir tank and/or radiator is below
the proper range, skip the following steps and go to EC-1484,
"Diagnostic Procedure" .
2. Confirm whether customer filled the coolant or not. If customer
filled the coolant, skip the following steps and go to EC-1484,
"Diagnostic Procedure" .
3. Start engine.
Be careful not to overheat engine.
4. Set temperature control lever to full cold position.
5. Turn air conditioner switch ON.
6. Turn blower fan switch ON.
7. Run engine at idle for a few minutes with air conditioner operating.
Be careful not to overheat engine.
SEF621W
SEF111X
SEF621W

EC-1482
[YD (WITHOUT EURO-OBD)]
DTC P0217 ENGINE OVER TEMPERATURE

8. Make sure that cooling fans operates at low speed.
If NG, go to EC-1484, "
Diagnostic Procedure" .
If OK, go to the following step.
9. Turn ignition switch OFF.
10. Turn air conditioner switch and blower fan switch OFF.
11. Disconnect engine coolant temperature sensor harness connec-
tor.
12. Connect 150Ω resistor to engine coolant temperature sensor
harness connector.
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 to EC-1484, "
Diagnostic Procedure" .
SEC163BA
MEC475B

DTC P0217 ENGINE OVER TEMPERATURE
EC-1483
[YD (WITHOUT EURO-OBD)]
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Wiring DiagramEBS0120A
TBWA0573E

EC-1484
[YD (WITHOUT EURO-OBD)]
DTC P0217 ENGINE OVER TEMPERATURE

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.
Diagnostic ProcedureEBS0120B
1. 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 and touch “LOW” on the CONSULT-II screen.
4. Make sure that cooling fans-1 and -2 operate at low speed.
OK or NG
OK >> GO TO 2.
NG >> Check cooling fan low speed control circuit. (Go to EC-
1487, "PROCEDURE A" .)
TERMI-
NAL
NO.WIRE
COLORITEM CONDITIONDATA
(DC Voltage and Pulse Signal)
34 LG/B Cooling 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 speedApproximately 0.1V
36 LG Cooling fan relay (Low)[Engine is running]

Cooling fan is not operating

Cooling fan is operating at high speedBATTERY VOLTAGE
(11 - 14V)
[Engine is running]

Cooling fan is operating at low speedApproximately 0.1V
PBIB1935E
SEF784Z

DTC P0217 ENGINE OVER TEMPERATURE
EC-1485
[YD (WITHOUT EURO-OBD)]
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2. 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. Touch “HIGH”on the CONSULT-II screen.
5. Make sure that cooling fans-1 and -2 operate at higher speed
than low speed.
OK or NG
OK >> GO TO 3.
NG >> Check cooling fan high speed control circuit. (Go to EC-
1489, "PROCEDURE B" .)
3. 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 5.
NG >> GO TO 4.
4. DETECT MALFUNCTIONING PART
Check the following for leak.

Hose

Radiator

Water pump (Refer to CO-43, "WATER PUMP" .)
>> Repair or replace.
SEF785Z
Testing pressure: 157 kPa (1.57 bar, 1.6 kg/cm2 , 23psi)
Pressure should not drop.
SLC754A

EC-1486
[YD (WITHOUT EURO-OBD)]
DTC P0217 ENGINE OVER TEMPERATURE

5. CHECK RADIATOR CAP
Apply pressure to cap with a tester and check radiator cap relief
pressure.
OK or NG
OK >> GO TO 6.
NG >> Replace radiator cap.
6. 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 7.
NG >> Replace thermostat.
7. CHECK ENGINE COOLANT TEMPERATURE SENSOR
Refer to EC-1454, "
Component Inspection" .
OK or NG
OK >> GO TO 8.
NG >> Replace engine coolant temperature sensor.
8. CHECK MAIN 12 CAUSES
If the cause cannot be isolated, go to EC-1491, "
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