2005 NISSAN X-TRAIL Service Repair Manual

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Page 2017 of 4555

NISSAN X-TRAIL 2005 Service Repair Manual DTC P1273 FUEL PUMP
EC-1613
[YD (WITHOUT EURO-OBD)]
C
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EC

5. CHECK FUEL RAIL PRESSURE SENSOR
Refer to EC-1471, "
Component Inspection" .
OK or NG
OK >> GO TO 6.
NG >> Replace fue

Page 2018 of 4555

NISSAN X-TRAIL 2005 Service Repair Manual EC-1614
[YD (WITHOUT EURO-OBD)]
DTC P1274 FUEL PUMP

DTC P1274 FUEL PUMPPFP:16700
DescriptionEBS01246
To control the amount of the fuel inhalation of the fuel pump, a plunger is built into the fuel p

Page 2019 of 4555

NISSAN X-TRAIL 2005 Service Repair Manual DTC P1274 FUEL PUMP
EC-1615
[YD (WITHOUT EURO-OBD)]
C
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EC

Wiring DiagramEBS0124B
TBWA0574E

Page 2020 of 4555

NISSAN X-TRAIL 2005 Service Repair Manual EC-1616
[YD (WITHOUT EURO-OBD)]
DTC P1274 FUEL PUMP

Specification data are reference values and are measured between each terminal and ground.
Pulse signal is measured by CONSULT-II.
CAUTION:
Do not

Page 2021 of 4555

NISSAN X-TRAIL 2005 Service Repair Manual DTC P1274 FUEL PUMP
EC-1617
[YD (WITHOUT EURO-OBD)]
C
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Diagnostic ProcedureEBS0124C
1. CHECK ECM OUTPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disco

Page 2022 of 4555

NISSAN X-TRAIL 2005 Service Repair Manual EC-1618
[YD (WITHOUT EURO-OBD)]
DTC P1274 FUEL PUMP

Component InspectionEBS0124D
FUEL PUMP
1. Check continuity between fuel pump terminals 1 and 2.
2. If NG, replace fuel pump.
Removal and Installat

Page 2023 of 4555

NISSAN X-TRAIL 2005 Service Repair Manual DTC P1275 FUEL PUMP
EC-1619
[YD (WITHOUT EURO-OBD)]
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EC

DTC P1275 FUEL PUMPPFP:16700
DescriptionEBS0124F
To control the amount of the fuel inhalation of the fuel pump, a plunge

DTC P1275 FUEL PUMP
EC-1619
[YD (WITHOUT EURO-OBD)]
C
D
E
F
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H
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MA
EC

DTC P1275 FUEL PUMPPFP:16700
DescriptionEBS0124F
To control the amount of the fuel inhalation of the fuel pump, a plunger is built into the fuel pump. When the
amount of the fuel inhalation of fuel increases, the fuel pump raises the fuel exhalation pressure. As a result,
the fuel injection pressure is raised. When the load of the engine increases, the ECM sends a signal to fuel
pump to raise the injection pressure.
CONSULT-II Reference Value in Data Monitor ModeEBS0124G
Specification data are reference values.
On Board Diagnosis LogicEBS0124I
NOTE:
If DTC P1275 is displayed with DTC P0652 or P0653, first perform trouble diagnosis for DTC P0652
or P0653. Refer to EC-1619, "
DTC P1275 FUEL PUMP" .
DTC Confirmation ProcedureEBS0124J
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 60 sec-
onds.
4. If DTC is detected, go to EC-1622, "
Diagnostic Procedure" .
WITHOUT CONSULT-II
1. Start engine and warm it up to normal operating temperature.
2. Keep engine speed more than 2,000 rpm for at least 60 seconds.
3. Turn ignition switch OFF, wait at least 10 seconds and then turn ON.
4. Perform Diagnostic Test Mode II (Self-diagnostic results) with ECM.
5. If DTC is detected, go to EC-1622, "
Diagnostic Procedure" .
MONITOR ITEM CONDITION SPECIFICATION
PUMP CURRENT
Engine: After warming up
Air conditioner switch: OFF
Shift lever: Neutral position
No-loadIdle 1,700 - 1,900 mA
2,000 rpm 1,600 - 1,800 mA
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P1275
1275Fuel pump exchangeFuel pressure is too much higher than the target
value.
Harness or connectors
(The fuel pump circuit is open or
shorted.)
Fuel pump
Fuel rail pressure sensor
SEF817Y

Page 2024 of 4555

NISSAN X-TRAIL 2005 Service Repair Manual EC-1620
[YD (WITHOUT EURO-OBD)]
DTC P1275 FUEL PUMP

Wiring DiagramEBS0124K
TBWA0574E

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