2003 NISSAN X-TRAIL Service Repair Manual

Page 1513 of 4179

NISSAN X-TRAIL 2003  Service Repair Manual DTC P1273 FUEL PUMP
EC-1135
[YD (WITH EURO-OBD)]
C
D
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MA
EC
 
: Average voltage for pulse signal (Actual pulse signal can be confirmed by oscilloscope.)
On Board Diagnosis LogicEBS011DX

Page 1514 of 4179

NISSAN X-TRAIL 2003  Service Repair Manual EC-1136
[YD (WITH EURO-OBD)]
DTC P1273 FUEL PUMP
 
Wiring DiagramEBS011DZ
TBWA0574E

Page 1515 of 4179

NISSAN X-TRAIL 2003  Service Repair Manual DTC P1273 FUEL PUMP
EC-1137
[YD (WITH EURO-OBD)]
C
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Diagnostic ProcedureEBS011E0
1. CHECK FUEL TRANSPORT PUMP OPERATION
Perform Diagnostic Procedure for fuel transport pump. R

Page 1516 of 4179

NISSAN X-TRAIL 2003  Service Repair Manual EC-1138
[YD (WITH EURO-OBD)]
DTC P1273 FUEL PUMP
 
4. CHECK FUEL PUMP GROUND CIRCUIT FOR OPEN AND SHORT
1. Check harness continuity between ECM terminal 29 and fuel pump terminal 1. 
Refer to Wiring D

Page 1517 of 4179

NISSAN X-TRAIL 2003  Service Repair Manual DTC P1274 FUEL PUMP
EC-1139
[YD (WITH EURO-OBD)]
C
D
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EC
 
DTC P1274 FUEL PUMPPFP:16700
DescriptionEBS011E3
To control the amount of the fuel inhalation of the fuel pump, a plunger i

Page 1518 of 4179

NISSAN X-TRAIL 2003  Service Repair Manual EC-1140
[YD (WITH EURO-OBD)]
DTC P1274 FUEL PUMP
 
: Average voltage for pulse signal (Actual pulse signal can be confirmed by oscilloscope.)
On Board Diagnosis LogicEBS011E6
This self-diagnosis has t

Page 1519 of 4179

NISSAN X-TRAIL 2003  Service Repair Manual DTC P1274 FUEL PUMP
EC-1141
[YD (WITH EURO-OBD)]
C
D
E
F
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K
L
MA
EC
 
Wiring DiagramEBS011E8
TBWA0574E

Page 1520 of 4179

NISSAN X-TRAIL 2003  Service Repair Manual EC-1142
[YD (WITH EURO-OBD)]
DTC P1274 FUEL PUMP
 
Diagnostic ProcedureEBS011E9
1. CHECK ECM OUTPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector a