2003 NISSAN X-TRAIL Service Repair Manual

Page 1801 of 4179

NISSAN X-TRAIL 2003  Service Repair Manual DTC P1273 FUEL PUMP
EC-1423
[YD (WITHOUT EURO-OBD)]
C
D
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F
G
H
I
J
K
L
MA
EC
 
: Average voltage for pulse signal (Actual pulse signal can be confirmed by oscilloscope.)
On Board Diagnosis LogicEBS01

Page 1802 of 4179

NISSAN X-TRAIL 2003  Service Repair Manual EC-1424
[YD (WITHOUT EURO-OBD)]
DTC P1273 FUEL PUMP
 
Wiring DiagramEBS01242
TBWA0574E

Page 1803 of 4179

NISSAN X-TRAIL 2003  Service Repair Manual DTC P1273 FUEL PUMP
EC-1425
[YD (WITHOUT EURO-OBD)]
C
D
E
F
G
H
I
J
K
L
MA
EC
 
Diagnostic ProcedureEBS01243
1. CHECK FUEL TRANSPORT PUMP OPERATION
Perform Diagnostic Procedure for fuel transport pump

Page 1804 of 4179

NISSAN X-TRAIL 2003  Service Repair Manual EC-1426
[YD (WITHOUT EURO-OBD)]
DTC P1273 FUEL PUMP
 
5. CHECK FUEL RAIL PRESSURE SENSOR
Refer to EC-1312, "
Component Inspection" .
OK or NG
OK >> GO TO 6.
NG >> Replace fuel rail.
6. CHECK FUEL PUMP

Page 1805 of 4179

NISSAN X-TRAIL 2003  Service Repair Manual DTC P1274 FUEL PUMP
EC-1427
[YD (WITHOUT EURO-OBD)]
C
D
E
F
G
H
I
J
K
L
MA
EC
 
DTC P1274 FUEL PUMPPFP:16700
DescriptionEBS01246
To control the amount of the fuel inhalation of the fuel pump, a plunge

Page 1806 of 4179

NISSAN X-TRAIL 2003  Service Repair Manual EC-1428
[YD (WITHOUT EURO-OBD)]
DTC P1274 FUEL PUMP
 
: Average voltage for pulse signal (Actual pulse signal can be confirmed by oscilloscope.)
On Board Diagnosis LogicEBS01249
DTC Confirmation Proce

Page 1807 of 4179

NISSAN X-TRAIL 2003  Service Repair Manual DTC P1274 FUEL PUMP
EC-1429
[YD (WITHOUT EURO-OBD)]
C
D
E
F
G
H
I
J
K
L
MA
EC
 
Wiring DiagramEBS0124B
TBWA0574E

Page 1808 of 4179

NISSAN X-TRAIL 2003  Service Repair Manual EC-1430
[YD (WITHOUT EURO-OBD)]
DTC P1274 FUEL PUMP
 
Diagnostic ProcedureEBS0124C
1. CHECK ECM OUTPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connecto