2003 NISSAN X-TRAIL diagram

DTC P0112, P0113 IAT SENSOR
EC-979
[YD (WITH EURO-OBD)]
C
D
E
F
G
H
I
J
K
L
MA
EC

2. CHECK INTAKE AIR TEMPERATURE SENSOR POWER SUPPLY CIRCUIT
1. Disconnect mass air flow sensor (intake air temperature sensor
is built-into) harness connector.
2. Turn ignition switch ON.
3. Check voltage between MAF sensor terminal 5 and ground with
CONSULT-II or tester.
OK or NG
OK >> GO TO 3.
NG >> Repair harness or connectors.
3. CHECK INTAKE AIR TEMPERATURE SENSOR GROUND CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check harness continuity between MAF sensor terminal 6 and ECM terminal 74. 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 INTAKE AIR TEMPERATURE SENSOR
Refer to EC-980, "
Component Inspection" .
OK or NG
OK >> GO TO 5.
NG >> Replace mass air flow sensor (with intake air temperature sensor).
5. CHECK INTERMITTENT INCIDENT
Refer to EC-936, "
TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT" .
>>INSPECTION END
PBIB1891E
Voltage: Approximately 5.3V
PBIB1169E
Continuity should exist.

DTC P0117, P0118 ECT SENSOR
EC-983
[YD (WITH EURO-OBD)]
C
D
E
F
G
H
I
J
K
L
MA
EC

Wiring DiagramEBS0118S
TBWA0566E

DTC P0117, P0118 ECT SENSOR
EC-985
[YD (WITH EURO-OBD)]
C
D
E
F
G
H
I
J
K
L
MA
EC

2. CHECK ECT SENSOR POWER SUPPLY CIRCUIT
1. Disconnect engine coolant temperature sensor harness connec-
tor.
2. Turn ignition switch ON.
3. Check voltage between ECT sensor terminal 1 and ground with
CONSULT-II or tester.
OK or NG
OK >> GO TO 3.
NG >> Repair harness or connectors.
3. CHECK ECT SENSOR GROUND CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check harness continuity between ECT sensor terminal 2 and ECM terminal 70. 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 ENGINE COOLANT TEMPERATURE SENSOR
Refer to EC-986, "
Component Inspection" .
OK or NG
OK >> GO TO 5.
NG >> Replace engine coolant temperature sensor.
5. CHECK INTERMITTENT INCIDENT
Refer to EC-936, "
TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT" .
>>INSPECTION END
PBIB1892E
Voltage: Approximately 5.3V
PBIB0152E
Continuity should exist.

DTC P0122, P0123 APP SENSOR
EC-989
[YD (WITH EURO-OBD)]
C
D
E
F
G
H
I
J
K
L
MA
EC

Wiring DiagramEBS01191
TBWA0567E

DTC P0122, P0123 APP SENSOR
EC-991
[YD (WITH EURO-OBD)]
C
D
E
F
G
H
I
J
K
L
MA
EC

2. CHECK APP SENSOR 1 POWER SUPPLY CIRCUIT
1. Disconnect accelerator pedal position (APP) sensor harness
connector.
2. Turn ignition switch ON.
3. Check voltage between APP sensor terminal 6 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 1 GROUND CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check harness continuity between APP sensor terminal 3 and ECM terminal 84.
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 INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Check harness continuity between ECM terminal 83 and APP sensor terminal 5.
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-992, "
Component Inspection" .
OK or NG
OK >> GO TO 6.
NG >> Replace accelerator pedal assembly.
PBIB1893E
Voltage: Approximately 5.3V
PBIB0914E
Continuity should exist.
Continuity should exist.

EC-994
[YD (WITH EURO-OBD)]
DTC P0182, P0183 FUEL PUMP TEMPERATURE SENSOR

Wiring DiagramEBS0119A
TBWA0572E

EC-996
[YD (WITH EURO-OBD)]
DTC P0182, P0183 FUEL PUMP TEMPERATURE SENSOR

2. CHECK FUEL PUMP TEMPERATURE SENSOR POWER SUPPLY CIRCUIT
1. Disconnect fuel pump temperature sensor harness connector.
2. Turn ignition switch ON.
3. Check voltage between fuel pump temperature sensor terminal
1 and ground with CONSULT-II or tester.
OK or NG
OK >> GO TO 3.
NG >> Repair harness or connectors.
3. CHECK FUEL PUMP TEMPERATURE SENSOR GROUND CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check harness continuity between fuel pump temperature sensor terminal 2 and ECM terminal 69.
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 INTERMITTENT INCIDENT
Refer to EC-936, "
TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT" .
OK or NG
OK >> GO TO 5.
NG >> Repair or replace.
5. REPLACE FUEL PUMP
1. Replace fuel pump.
2. Perform Fuel Pump Learning Value Clearing. Refer to EC-890, "
Fuel Pump Learning Value Clearing" .
>>INSPECTION END
Removal and InstallationEBS0119C
FUEL PUMP
Refer to EM-161, "FUEL PUMP" .
PBIB1942E
Voltage: Approximately 5.3V
PBIB0420E
Continuity should exist.

DTC P0192, P0193 FRP SENSOR
EC-999
[YD (WITH EURO-OBD)]
C
D
E
F
G
H
I
J
K
L
MA
EC

Wiring DiagramEBS0119I
TBWA0568E