Page 1329 of 4179
DTC P0045 TC BOOST CONTROL SOLENOID VALVE
EC-951
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Wiring DiagramEBS011O9
TBWA0588E
Page 1330 of 4179
![NISSAN X-TRAIL 2003 Service Repair Manual EC-952
[YD (WITH EURO-OBD)]
DTC P0045 TC BOOST CONTROL SOLENOID VALVE
Diagnostic ProcedureEBS011OA
1. CHECK TURBOCHARGER BOOST CONTROL SOLENOID VALVE POWER SUPPLY CIRCUIT
1. Disconnect turbocharger NISSAN X-TRAIL 2003 Service Repair Manual EC-952
[YD (WITH EURO-OBD)]
DTC P0045 TC BOOST CONTROL SOLENOID VALVE
Diagnostic ProcedureEBS011OA
1. CHECK TURBOCHARGER BOOST CONTROL SOLENOID VALVE POWER SUPPLY CIRCUIT
1. Disconnect turbocharger](/manual-img/5/57404/w960_57404-1329.png)
EC-952
[YD (WITH EURO-OBD)]
DTC P0045 TC BOOST CONTROL SOLENOID VALVE
Diagnostic ProcedureEBS011OA
1. CHECK TURBOCHARGER BOOST CONTROL SOLENOID VALVE POWER SUPPLY CIRCUIT
1. Disconnect turbocharger boost control solenoid valve harness
connector.
2. Turn ignition switch ON.
3. Check voltage between turbocharger boost control solenoid
valve terminals 1 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.
Harness connectors F30, M63
Harness for open and short between turbocharger boost control solenoid valve and ECM relay
Harness for open and short between turbocharger boost control solenoid valve and ECM
>> Repair open circuit or short to ground or short to power in harness or connectors.
3. CHECK TURBOCHARGER BOOST CONTROL SOLENOID VALVE OUTPUT SIGNAL CIRCUIT FOR
OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check harness continuity between ECM terminal 6 and turbocharger boost control solenoid valve terminal
2. 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 TURBOCHARGER BOOST CONTROL SOLENOID VALVE
Refer to EC-953, "
Component Inspection" .
OK or NG
OK >> GO TO 5.
NG >> Replace turbocharger boost control solenoid valve.
PBIB1897E
Voltage: Battery voltage
PBIB1945E
Continuity should exist.
Page 1331 of 4179
DTC P0045 TC BOOST CONTROL SOLENOID VALVE
EC-953
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5. CHECK INTERMITTENT INCIDENT
Refer to EC-936, "
TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT" .
>>INSPECTION END
Component InspectionEBS011OB
TURBOCHARGER BOOST CONTROL SOLENOID VALVE
1. Disconnect turbocharger boost control solenoid valve harness
connector.
2. Apply 12V direct current between turbocharger boost control
solenoid valve terminals.
3. Check air passage continuity of turbocharger boost control sole-
noid valve under the following conditions.
Operation takes less than 1 second.
If NG, replace turbocharger boost control solenoid valve.
PBIB1897E
CONDITIONSAir passage continuity
between A and BAir passage continuity
between A and C
12V direct current supply
between terminals 1 and 2Ye s N o
No supply No Yes
MBIB0996E
Page 1332 of 4179
![NISSAN X-TRAIL 2003 Service Repair Manual EC-954
[YD (WITH EURO-OBD)]
DTC P0088 FUEL SYSTEM
DTC P0088 FUEL SYSTEMPFP:17520
On Board Diagnosis LogicEBS0117X
DTC Confirmation ProcedureEBS0117Y
NOTE:
If DTC Confirmation Procedure has been prev NISSAN X-TRAIL 2003 Service Repair Manual EC-954
[YD (WITH EURO-OBD)]
DTC P0088 FUEL SYSTEM
DTC P0088 FUEL SYSTEMPFP:17520
On Board Diagnosis LogicEBS0117X
DTC Confirmation ProcedureEBS0117Y
NOTE:
If DTC Confirmation Procedure has been prev](/manual-img/5/57404/w960_57404-1331.png)
EC-954
[YD (WITH EURO-OBD)]
DTC P0088 FUEL SYSTEM
DTC P0088 FUEL SYSTEMPFP:17520
On Board Diagnosis LogicEBS0117X
DTC Confirmation ProcedureEBS0117Y
NOTE:
If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait at
least 10 seconds before conducting the next test.
WITH CONSULT-II
1. Start engine and warm it up to normal operating temperature.
2. Select “DATA MONITOR” mode with CONSULT-II.
3. Keep engine speed more than 2,000 rpm for at least 20 sec-
onds.
4. If 1st trip DTC is detected, go to EC-954, "
Diagnostic Procedure"
.
WITH GST
Follow the procedure “WITH CONSULT-II” above.
Diagnostic ProcedureEBS0117Z
1. CHECK FUEL RAIL PRESSURE SENSOR
Refer to EC-1002, "
Component Inspection" .
OK or NG
OK >> GO TO 2.
NG >> Replace fuel rail.
2. CHECK FUEL INJECTOR
Refer to EC-1010, "
Component Inspection" .
OK or NG
OK >> GO TO 3.
NG >> Replace fuel injector.
3. CHECK FUEL PUMP
Refer to EC-1097, "
Component Inspection" .
OK or NG
OK >> GO TO 5.
NG >> GO TO 4.
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P0088 Fuel rail pressure too highFuel pressure is too much higher than the speci-
fied value.
Fuel pump
Fuel injector
Fuel rail pressure sensor
SEF817Y
Page 1333 of 4179
DTC P0088 FUEL SYSTEM
EC-955
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4. 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
5. CHECK INTERMITTENT INCIDENT
Refer to EC-936, "
TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT" .
>>INSPECTION END
Removal and InstallationEBS01180
FUEL INJECTOR
Refer to EM-157, "INJECTION TUBE AND FUEL INJECTOR" .
FUEL PUMP
Refer to EM-161, "FUEL PUMP" .
Page 1334 of 4179
![NISSAN X-TRAIL 2003 Service Repair Manual EC-956
[YD (WITH EURO-OBD)]
DTC P0089 FUEL PUMP
DTC P0089 FUEL PUMPPFP:16700
On Board Diagnosis LogicEBS01181
DTC Confirmation ProcedureEBS01182
NOTE:
If DTC Confirmation Procedure has been previous NISSAN X-TRAIL 2003 Service Repair Manual EC-956
[YD (WITH EURO-OBD)]
DTC P0089 FUEL PUMP
DTC P0089 FUEL PUMPPFP:16700
On Board Diagnosis LogicEBS01181
DTC Confirmation ProcedureEBS01182
NOTE:
If DTC Confirmation Procedure has been previous](/manual-img/5/57404/w960_57404-1333.png)
EC-956
[YD (WITH EURO-OBD)]
DTC P0089 FUEL PUMP
DTC P0089 FUEL PUMPPFP:16700
On Board Diagnosis LogicEBS01181
DTC Confirmation ProcedureEBS01182
NOTE:
If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait at
least 10 seconds before conducting the next test.
WITH CONSULT-II
1. Start engine and warm it up to normal operating temperature.
2. Select “DATA MONITOR” mode with CONSULT-II.
3. Let engine idle for at least 30 seconds.
4. If 1st trip DTC is detected, go to EC-956, "
Diagnostic Procedure"
.
WITH GST
Follow the procedure “WITH CONSULT-II” above.
Diagnostic ProcedureEBS01183
1. CHECK FUEL TRANSPORT PUMP OPERATION
Perform Diagnostic Procedure for fuel transport pump. Refer to EC-1194
.
OK or NG
OK >> GO TO 2.
NG >> Follow the instruction of Diagnostic Procedure for fuel transport pump.
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P0089 Fuel pump performanceFuel pressure is too much higher than the target
value.
Fuel pump
Air mixed with fuel
Lack of fuel
Fuel rail pressure sensor
Fuel transport pump operation
SEF817Y
Page 1335 of 4179
![NISSAN X-TRAIL 2003 Service Repair Manual DTC P0089 FUEL PUMP
EC-957
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2. PERFORM FUEL PUMP LEARNING VALUE CLEARING
NOTE:
If the DTC is detected because of air mixed with fuel (i.e.: caused by la NISSAN X-TRAIL 2003 Service Repair Manual DTC P0089 FUEL PUMP
EC-957
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2. PERFORM FUEL PUMP LEARNING VALUE CLEARING
NOTE:
If the DTC is detected because of air mixed with fuel (i.e.: caused by la](/manual-img/5/57404/w960_57404-1334.png)
DTC P0089 FUEL PUMP
EC-957
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2. PERFORM FUEL PUMP LEARNING VALUE CLEARING
NOTE:
If the DTC is detected because of air mixed with fuel (i.e.: caused by lack of fuel), it may become normal by
performing following procedure.
With CONSULT-II
1. Turn ignition switch ON.
2. Perform Fuel Pump Learning value clearing. Refer to EC-890, "
Fuel Pump Learning Value Clearing" .
3. Start engine and let it idle for at least 60 seconds.
4. Select “SELF-DIAG RESULT” mode with CONSULT-II.
5. Touch “ERASE”.
6. Perform EC-956, "
DTC Confirmation Procedure" , again.
7. Is 1st trip DTC detected again?
With GST
1. Turn ignition switch ON.
2. Perform Fuel Pump Learning value clearing. Refer to EC-890, "
Fuel Pump Learning Value Clearing" .
3. Start engine and let it idle for at least 60 seconds.
4. Select MODE 4 with GST.
5. Touch “ERASE”.
6. Perform EC-956, "
DTC Confirmation Procedure" , again.
7. Is 1st trip DTC detected again?
Ye s o r N o
Ye s > > G O T O 3 .
No >>INSPECTION END
3. CHECK FUEL RAIL PRESSURE SENSOR
Refer to EC-1002, "
Component Inspection" .
OK or NG
OK >> GO TO 4.
NG >> Replace fuel rail.
4. CHECK FUEL PUMP
Perform EC-1094, "
DTC Confirmation Procedure" .
OK or NG
OK >> GO TO 6.
NG >> GO TO 5.
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
6. CHECK INTERMITTENT INCIDENT
Refer to EC-936, "
TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT" .
>>INSPECTION END
Page 1336 of 4179
EC-958
[YD (WITH EURO-OBD)]
DTC P0089 FUEL PUMP
Removal and InstallationEBS01184
FUEL PUMP
Refer to EM-161, "FUEL PUMP" .