Page 633 of 4179
DTC P0340 CMP SENSOR (PHASE)
EC-255
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Wiring DiagramEBS010Q4
TBWA0608E
Page 636 of 4179
![NISSAN X-TRAIL 2003 Service Repair Manual EC-258
[QR (WITH EURO-OBD)]
DTC P0340 CMP SENSOR (PHASE)
3. CHECK CAMSHAFT POSITION (CMP) SENSOR (PHASE) POWER SUPPLY CIRCUIT
1. Disconnect camshaft position (CMP) sensor (PHASE) harness
connector.
NISSAN X-TRAIL 2003 Service Repair Manual EC-258
[QR (WITH EURO-OBD)]
DTC P0340 CMP SENSOR (PHASE)
3. CHECK CAMSHAFT POSITION (CMP) SENSOR (PHASE) POWER SUPPLY CIRCUIT
1. Disconnect camshaft position (CMP) sensor (PHASE) harness
connector.](/manual-img/5/57404/w960_57404-635.png)
EC-258
[QR (WITH EURO-OBD)]
DTC P0340 CMP SENSOR (PHASE)
3. CHECK CAMSHAFT POSITION (CMP) SENSOR (PHASE) POWER SUPPLY CIRCUIT
1. Disconnect camshaft position (CMP) sensor (PHASE) harness
connector.
2. Turn ignition switch ON.
3. Check voltage between CMP sensor (PHASE) terminal 1 and
ground with CONSULT-II or tester.
4. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 5.
NG >> GO TO 4.
4. DETECT MALFUNCTIONING PART
Check the following.
Harness connectors F41, M61
Harness for open or short between camshaft position sensor (PHASE) and ECM
Harness for open or short between camshaft position sensor (PHASE) and ECM relay
>> Repair open circuit or short to ground or short to power in harness or connectors.
5. CHECK CMP SENSOR (PHASE) GROUND CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check harness continuity between CMP sensor (PHASE) terminal 3 and ECM terminal 29.
Refer to Wiring Diagram.
4. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 6.
NG >> Repair open circuit or short to ground or short to power in harness or connectors.
PBIB0496E
Voltage: Battery voltage
PBIB0664E
Continuity should exist.
Page 637 of 4179
![NISSAN X-TRAIL 2003 Service Repair Manual DTC P0340 CMP SENSOR (PHASE)
EC-259
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6. CHECK CMP SENSOR (PHASE) INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Check harness continuity between CMP sensor NISSAN X-TRAIL 2003 Service Repair Manual DTC P0340 CMP SENSOR (PHASE)
EC-259
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6. CHECK CMP SENSOR (PHASE) INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Check harness continuity between CMP sensor](/manual-img/5/57404/w960_57404-636.png)
DTC P0340 CMP SENSOR (PHASE)
EC-259
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6. CHECK CMP SENSOR (PHASE) INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Check harness continuity between CMP sensor (PHASE) terminal 2 and ECM terminal 13.
Refer to Wiring Diagram.
2. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 7.
NG >> Repair open circuit or short to ground or short to power in harness or connectors.
7. CHECK CAMSHAFT POSITION SENSOR (PHASE)
Refer to EC-259, "
Component Inspection" .
OK or NG
OK >> GO TO 8.
NG >> Replace camshaft position sensor (PHASE).
8. CHECK CAMSHAFT (INTAKE)
Check the following.
Accumulation of debris to the signal plate of camshaft rear end
Chipping signal plate of camshaft rear end
OK or NG
OK >> GO TO 9.
NG >> Remove debris and clean the signal plate of camshaft
rear end or replace camshaft.
9. CHECK INTERMITTENT INCIDENT
Refer to EC-123, "
TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT" .
>>INSPECTION END
Component InspectionEBS010Q6
CAMSHAFT POSITION SENSOR (PHASE)
1. Loosen the fixing bolt of the sensor.
2. Disconnect camshaft position sensor (PHASE) harness connector.
3. Remove the sensor.
4. Visually check the sensor for chipping.Continuity should exist.
PBIB0565E
PBIB0563E
Page 642 of 4179
![NISSAN X-TRAIL 2003 Service Repair Manual EC-264
[QR (WITH EURO-OBD)]
DTC P0420 THREE WAY CATALYST FUNCTION
OK or NG
OK >> GO TO 5.
NG >> Follow the EC-79, "
Basic Inspection" .
5. CHECK INJECTORS
1. Refer to Wiring Diagram for Injectors, E NISSAN X-TRAIL 2003 Service Repair Manual EC-264
[QR (WITH EURO-OBD)]
DTC P0420 THREE WAY CATALYST FUNCTION
OK or NG
OK >> GO TO 5.
NG >> Follow the EC-79, "
Basic Inspection" .
5. CHECK INJECTORS
1. Refer to Wiring Diagram for Injectors, E](/manual-img/5/57404/w960_57404-641.png)
EC-264
[QR (WITH EURO-OBD)]
DTC P0420 THREE WAY CATALYST FUNCTION
OK or NG
OK >> GO TO 5.
NG >> Follow the EC-79, "
Basic Inspection" .
5. CHECK INJECTORS
1. Refer to Wiring Diagram for Injectors, EC-429
.
2. Stop engine and then turn ignition switch ON.
3. Check voltage between ECM terminals 22, 23, 41, 42 and
ground with CONSULT-II or tester.
OK or NG
OK >> GO TO 6.
NG >> Perform EC-430, "
Diagnostic Procedure" .
6. CHECK IGNITION SPARK
1. Turn ignition switch OFF.
2. Disconnect ignition coil assembly from rocker cover.
3. Connect a known good spark plug to the ignition coil assembly.
4. Place end of spark plug against a suitable ground and crank engine.
5. Check for spark.
OK or NG
OK >> GO TO 7.
NG >> Check ignition coil with power transistor and their circuit.
Refer to EC-417, "
IGNITION SIGNAL" .
7. CHECK INJECTOR
1. Turn ignition switch OFF.
2. Remove injector assembly.
Refer to EM-32, "
FUEL INJECTOR AND FUEL TUBE" .
Keep fuel hose and all injectors connected to injector gallery.
3. Disconnect all ignition coil harness connectors.
4. Turn ignition switch ON.
Make sure fuel does not drip from injector.
OK or NG
OK (Does not drip.)>>GO TO 8.
NG (Drips.)>>Replace the injector(s) from which fuel is dripping.
8. CHECK INTERMITTENT INCIDENT
Refer to EC-123, "
TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT" .
Trouble is fixed.>>INSPECTION END
Trouble is not fixed.>>Replace three way catalyst (manifold).Battery voltage should exist.
MBIB0030E
SEF575Q
Page 645 of 4179
DTC P0444, P0445 EVAP CANISTER PURGE VOLUME CONTROL SOLENOID
VALVE
EC-267
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Wiring DiagramEBS010QG
TBWA0609E
Page 648 of 4179
![NISSAN X-TRAIL 2003 Service Repair Manual EC-270
[QR (WITH EURO-OBD)]
DTC P0444, P0445 EVAP CANISTER PURGE VOLUME CONTROL SOLENOID
VALVE
3. CHECK EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE OUTPUT SIGNAL CIR-
CUIT FOR OPEN AND SHORT
NISSAN X-TRAIL 2003 Service Repair Manual EC-270
[QR (WITH EURO-OBD)]
DTC P0444, P0445 EVAP CANISTER PURGE VOLUME CONTROL SOLENOID
VALVE
3. CHECK EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE OUTPUT SIGNAL CIR-
CUIT FOR OPEN AND SHORT](/manual-img/5/57404/w960_57404-647.png)
EC-270
[QR (WITH EURO-OBD)]
DTC P0444, P0445 EVAP CANISTER PURGE VOLUME CONTROL SOLENOID
VALVE
3. CHECK EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE OUTPUT SIGNAL CIR-
CUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check harness continuity between EVAP canister purge volume control solenoid valve terminal 2 and
ECM terminal 19. Refer to Wiring Diagram.
4. Also check harness for short to ground and short to power.
OK or NG
OK (With CONSULT-II)>>GO TO 4.
OK (Without CONSULT-II)>>GO TO 5.
NG >> Repair open circuit or short to ground and short to power in harness or connectors.
4. CHECK EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE OPERATION
With CONSULT-II
1. Reconnect all harness connectors disconnected.
2. Start engine.
3. Perform “PURG VOL CONT/V” in “ACTIVE TEST” mode with
CONSULT-II. Check that engine speed varies according to the
valve opening.
OK or NG
OK >> GO TO 6.
NG >> GO TO 5.
5. CHECK EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE
Refer to EC-271, "
Component Inspection" .
OK or NG
OK >> GO TO 6.
NG >> Replace EVAP canister purge volume control solenoid valve.
6. CHECK INTERMITTENT INCIDENT
Refer to EC-123, "
TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT" .
>>INSPECTION END Continuity should exist.
PBIB0569E
Page 653 of 4179
DTC P0550 PSP SENSOR
EC-275
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Wiring DiagramEBS010QT
TBWA0610E
Page 655 of 4179
![NISSAN X-TRAIL 2003 Service Repair Manual DTC P0550 PSP SENSOR
EC-277
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2. CHECK PSP SENSOR POWER SUPPLY CIRCUIT
1. Disconnect PSP sensor harness connector.
2. Turn ignition switch ON.
3. Check v NISSAN X-TRAIL 2003 Service Repair Manual DTC P0550 PSP SENSOR
EC-277
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2. CHECK PSP SENSOR POWER SUPPLY CIRCUIT
1. Disconnect PSP sensor harness connector.
2. Turn ignition switch ON.
3. Check v](/manual-img/5/57404/w960_57404-654.png)
DTC P0550 PSP SENSOR
EC-277
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2. CHECK PSP SENSOR POWER SUPPLY CIRCUIT
1. Disconnect PSP sensor harness connector.
2. Turn ignition switch ON.
3. Check voltage between PSP sensor terminal 3 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 PSP SENSOR GROUND CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check harness continuity between PSP sensor terminal 1 and ECM terminal 57.
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 PSP SENSOR INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Check harness continuity between PSP sensor terminal 2 and ECM terminal 12.
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 PSP SENSOR
Refer to EC-278, "
Component Inspection" .
OK or NG
OK >> GO TO 6.
NG >> Replace PSP sensor.
PBIB0502E
Voltage: Approximately 5V
SEF509Y
Continuity should exist.
Continuity should exist.