2003 NISSAN X-TRAIL diagram

DTC P0192, P0193 FRP SENSOR
EC-1001
[YD (WITH EURO-OBD)]
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2. CHECK FUEL RAIL PRESSURE SENSOR POWER SUPPLY CIRCUIT
1. Disconnect fuel rail pressure sensor harness connector.
2. Turn ignition switch ON.
3. Check voltage between fuel rail pressure sensor terminal 1 and
ground with CONSULT-II or tester.
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 RAIL PRESSURE SENSOR GROUND CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check harness continuity between fuel rail pressure sensor terminal 3 and ECM terminal 68.
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 FUEL RAIL PRESSURE SENSOR INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Check harness continuity between ECM terminals 48, 49 and fuel rail pressure sensor terminal 2.
Refer to Wiring Diagram.
2. 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 connectors.
5. CHECK FUEL RAIL PRESSURE SENSOR
Refer to EC-1002, "
Component Inspection" .
OK or NG
OK >> GO TO 6.
NG >> Replace fuel rail.
PBIB1894E
Voltage: Approximately 5.3V
PBIB0405E
Continuity should exist.
Continuity should exist.

EC-1008
[YD (WITH EURO-OBD)]
DTC P0201 - P0204 FUEL INJECTOR

Wiring DiagramEBS0119U
TBWA0569E

DTC P0201 - P0204 FUEL INJECTOR
EC-1009
[YD (WITH EURO-OBD)]
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Diagnostic ProcedureEBS0119V
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-1010, "
Component Inspection" .
OK or NG
OK >> GO TO 4.
NG >> Replace fuel injector.
DTCTe r m i n a l
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
DTCTe r m i n a l
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.

EC-1014
[YD (WITH EURO-OBD)]
DTC P0217 ENGINE OVER TEMPERATURE

Wiring DiagramEBS011A2
TBWA0573E

EC-1020
[YD (WITH EURO-OBD)]
DTC P0217 ENGINE OVER TEMPERATURE

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-1024, "
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-1024, "
Component Inspection" .
OK or NG
OK >> GO TO 8.
NG >> Replace cooling fan motors.Continuity should exist.
PBIB1895E
Continuity should exist.

EC-1022
[YD (WITH EURO-OBD)]
DTC P0217 ENGINE OVER TEMPERATURE

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-1024, "
Component Inspection" .
OK or NG
OK >> GO TO 7.
NG >> Replace cooling fan relays.Continuity should exist.
Continuity should exist.
PBIB1895E
Continuity should exist.

DTC P0222, P0223 APP SENSOR
EC-1027
[YD (WITH EURO-OBD)]
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Wiring DiagramEBS011AB
TBWA0729E

DTC P0222, P0223 APP SENSOR
EC-1029
[YD (WITH EURO-OBD)]
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2. CHECK APP SENSOR 2 POWER SUPPLY CIRCUIT
1. Disconnect accelerator pedal position (APP) sensor harness
connector.
2. Turn ignition switch ON.
3. Check voltage between APP sensor terminal 4 and ground with
CONSULT-II or tester.
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 APP SENSOR 2 GROUND CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check harness continuity between APP sensor terminal 1 and ECM terminal 92.
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 APP SENSOR 2 INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Check harness continuity between ECM terminal 91 and APP sensor terminal 2.
Refer to Wiring Diagram.
2. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 5.
NG >> Repair open circuit or short to ground or short to power in harness or connectors.
5. CHECK APP SENSOR
Refer to EC-1030, "
Component Inspection" .
OK or NG
OK >> GO TO 6.
NG >> Replace accelerator pedal assembly.
PBIB1893E
Voltage: Approximately 5.3V
PBIB0915E
Continuity should exist.
Continuity should exist.