2003 NISSAN X-TRAIL Service Repair Manual

Page 1793 of 4179

NISSAN X-TRAIL 2003  Service Repair Manual DTC P1268 - P1271 FUEL INJECTOR
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4. CHECK FUEL INJECTOR-II
1. Remove two fuel injectors of malfunctioning cylinder and another cylinder.
2. I

Page 1794 of 4179

NISSAN X-TRAIL 2003  Service Repair Manual EC-1416
[YD (WITHOUT EURO-OBD)]
DTC P1272 FUEL PUMP
 
DTC P1272 FUEL PUMPPFP:16700
DescriptionEBS0123R
When the fuel pressure in fuel rail increases to excessively high, fuel
pressure relief valve ope

Page 1795 of 4179

NISSAN X-TRAIL 2003  Service Repair Manual DTC P1272 FUEL PUMP
EC-1417
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: Average voltage for pulse signal (Actual pulse signal can be confirmed by oscilloscope.)
On Board Diagnosis LogicEBS01

Page 1796 of 4179

NISSAN X-TRAIL 2003  Service Repair Manual EC-1418
[YD (WITHOUT EURO-OBD)]
DTC P1272 FUEL PUMP
 
Wiring DiagramEBS012AW
TBWA0574E

Page 1797 of 4179

NISSAN X-TRAIL 2003  Service Repair Manual DTC P1272 FUEL PUMP
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Diagnostic ProcedureEBS0123U
1. CHECK FUEL TRANSPORT PUMP OPERATION
Perform Diagnostic Procedure for fuel transport pump

Page 1798 of 4179

NISSAN X-TRAIL 2003  Service Repair Manual EC-1420
[YD (WITHOUT EURO-OBD)]
DTC P1272 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 Wirin

Page 1799 of 4179

NISSAN X-TRAIL 2003  Service Repair Manual DTC P1272 FUEL PUMP
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FUEL PUMP
Refer to EM-161, "FUEL PUMP" .

Page 1800 of 4179

NISSAN X-TRAIL 2003  Service Repair Manual EC-1422
[YD (WITHOUT EURO-OBD)]
DTC P1273 FUEL PUMP
 
DTC P1273 FUEL PUMPPFP:16700
DescriptionEBS0123X
To control the amount of the fuel inhalation of the fuel pump, a plunger is built into the fuel p