2003 NISSAN X-TRAIL sport mode

EC-13
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ECA
CONSULT-II Reference Value in Data Monitor Mode
1134
ECM Terminals and Reference Value .................1134
On Board Diagnosis Logic ..................................1135
DTC Confirmation Procedure ..............................1135
Wiring Diagram ...................................................1136
Diagnostic Procedure ..........................................1137
Component Inspection ........................................1138
Removal and Installation .....................................1138
DTC P1274 FUEL PUMP .......................................1139
Description ..........................................................1139
CONSULT-II Reference Value in Data Monitor Mode
1139
ECM Terminals and Reference Value .................1139
On Board Diagnosis Logic ..................................1140
DTC Confirmation Procedure ..............................1140
Wiring Diagram ...................................................1141
Diagnostic Procedure ..........................................1142
Component Inspection ........................................1143
Removal and Installation .....................................1143
DTC P1275 FUEL PUMP .......................................1144
Description ..........................................................1144
CONSULT-II Reference Value in Data Monitor Mode
1144
ECM Terminals and Reference Value .................1144
On Board Diagnosis Logic ..................................1145
DTC Confirmation Procedure ..............................1145
Wiring Diagram ...................................................1146
Diagnostic Procedure ..........................................1147
Component Inspection ........................................1148
Removal and Installation .....................................1148
DTC P2135 APP SENSOR ....................................1149
Description ..........................................................1149
CONSULT-II Reference Value in Data Monitor Mode
1149
ECM Terminals and Reference Value .................1149
On Board Diagnosis Logic ..................................1150
DTC Confirmation Procedure ..............................1150
Wiring Diagram ...................................................1151
Diagnostic Procedure ..........................................1152
Component Inspection ........................................1154
Removal and Installation .....................................1154
DTC P2146, P2149 FUEL INJECTOR POWER SUP-
PLY .........................................................................1155
Component Description .......................................1155
CONSULT-II Reference Value in Data Monitor Mode
1155
ECM Terminals and Reference Value .................1155
On Board Diagnosis Logic ..................................1156
DTC Confirmation Procedure ..............................1157
Wiring Diagram ...................................................1158
Diagnostic Procedure ..........................................1159
DTC P2147, P2148 FUEL INJECTOR CIRCUIT ...1160
Component Description .......................................1160
CONSULT-II Reference Value in Data Monitor Mode
1160
ECM Terminals and Reference Value .................1160
On Board Diagnosis Logic ..................................1161
DTC Confirmation Procedure ..............................1161Wiring Diagram ....................................................11 6 3
Diagnostic Procedure ..........................................11 6 4
Component Inspection .........................................11 6 5
Removal and Installation .....................................11 6 6
DTC P2228, P2229 BARO SENSOR .....................116 7
Description ...........................................................11 6 7
On Board Diagnosis Logic ...................................11 6 7
DTC Confirmation Procedure ..............................11 6 7
Diagnostic Procedure ..........................................11 6 8
GLOW CONTROL SYSTEM ..................................116 9
Description ...........................................................11 6 9
Wiring Diagram ....................................................11 7 0
Diagnostic Procedure ..........................................11 7 2
Component Inspection .........................................11 7 6
Removal and Installation .....................................11 7 6
BRAKE SWITCH ....................................................117 7
Description ...........................................................11 7 7
CONSULT-II Reference Value in Data Monitor Mode
11 7 7
ECM Terminals and Reference Value ..................11 7 7
Wiring Diagram ....................................................11 7 8
Diagnostic Procedure ..........................................11 7 9
Component Inspection .........................................11 8 0
PNP SWITCH .........................................................118 2
Description ...........................................................11 8 2
CONSULT-II Reference Value in Data Monitor Mode
11 8 2
ECM Terminals and Reference Value ..................11 8 2
Wiring Diagram ....................................................11 8 3
Diagnostic Procedure ..........................................11 8 4
PSP SWITCH .........................................................118 6
Component Description .......................................11 8 6
CONSULT-II Reference Value in Data Monitor Mode
11 8 6
ECM Terminals and Reference Value ..................11 8 6
Wiring Diagram ....................................................11 8 7
Diagnostic Procedure ..........................................11 8 8
Component Inspection .........................................11 8 9
Removal and Installation .....................................11 8 9
FUEL TRANSPORT PUMP ...................................119 0
Description ...........................................................11 9 0
ECM Terminals and Reference Value ..................11 9 1
Wiring Diagram ....................................................11 9 2
Diagnostic Procedure ..........................................11 9 4
Component Inspection .........................................11 9 7
Removal and Installation .....................................11 9 8
START SIGNAL .....................................................119 9
Wiring Diagram ....................................................11 9 9
Diagnostic Procedure ..........................................1200
MI & DATA LINK CONNECTORS ..........................1202
Wiring Diagram ....................................................1202
SERVICE DATA AND SPECIFICATIONS (SDS) ...1204
General Specifications .........................................1204
Mass Air Flow Sensor ..........................................1204
Engine Coolant Temperature Sensor ..................1204
Fuel Rail Pressure Sensor ...................................1204
Glow Plug ............................................................1204
EGR Volume Control Valve .................................1204

EC-17
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ECM Terminals and Reference Value .................1427
On Board Diagnosis Logic ..................................1428
DTC Confirmation Procedure ..............................1428
Wiring Diagram ...................................................1429
Diagnostic Procedure ..........................................1430
Component Inspection ........................................1431
Removal and Installation .....................................1431
DTC P1275 FUEL PUMP .......................................1432
Description ..........................................................1432
CONSULT-II Reference Value in Data Monitor Mode
1432
ECM Terminals and Reference Value .................1432
On Board Diagnosis Logic ..................................1433
DTC Confirmation Procedure ..............................1433
Wiring Diagram ...................................................1434
Diagnostic Procedure ..........................................1435
Component Inspection ........................................1436
Removal and Installation .....................................1436
DTC P2135 APP SENSOR ....................................1437
Description ..........................................................1437
CONSULT-II Reference Value in Data Monitor Mode
1437
ECM Terminals and Reference Value .................1437
On Board Diagnosis Logic ..................................1438
DTC Confirmation Procedure ..............................1438
Wiring Diagram ...................................................1439
Diagnostic Procedure ..........................................1440
Component Inspection ........................................1442
Removal and Installation .....................................1442
DTC P2146, P2149 FUEL INJECTOR POWER SUP-
PLY .........................................................................1443
Component Description .......................................1443
CONSULT-II Reference Value in Data Monitor Mode
1443
ECM Terminals and Reference Value .................1443
On Board Diagnosis Logic ..................................1444
DTC Confirmation Procedure ..............................1445
Wiring Diagram ...................................................1446
Diagnostic Procedure ..........................................1447
DTC P2147, P2148 FUEL INJECTOR CIRCUIT ...1448
Component Description .......................................1448
CONSULT-II Reference Value in Data Monitor Mode
1448
ECM Terminals and Reference Value .................1448
On Board Diagnosis Logic ..................................1449
DTC Confirmation Procedure ..............................1449
Wiring Diagram ...................................................1451
Diagnostic Procedure ..........................................1452
Component Inspection ........................................1454
Removal and Installation .....................................1454
DTC P2228, P2229 BARO SENSOR ....................1455
Description ..........................................................1455
On Board Diagnosis Logic ..................................1455
DTC Confirmation Procedure ..............................1455
Diagnostic Procedure ..........................................1455
GLOW CONTROL SYSTEM .................................1457
Description ..........................................................1457
Wiring Diagram ...................................................1458
Diagnostic Procedure ..........................................1460Component Inspection .........................................1464
Removal and Installation .....................................1464
EGR VOLUME CONTROL SYSTEM .....................1465
Description ...........................................................1465
CONSULT-II Reference Value in Data Monitor Mode
1466
ECM Terminals and Reference Value ..................1466
Wiring Diagram ....................................................1467
Diagnostic Procedure ..........................................1468
Component Inspection .........................................1469
Removal and Installation .....................................1470
TC BOOST CONTROL SOLENOID VALVE ..........1471
Description ...........................................................1471
ECM Terminals and Reference Value ..................1471
Wiring Diagram ....................................................1472
Diagnostic Procedure ..........................................1473
Component Inspection .........................................1474
BRAKE SWITCH ....................................................1475
Description ...........................................................1475
CONSULT-II Reference Value in Data Monitor Mode
1475
ECM Terminals and Reference Value ..................1475
Wiring Diagram ....................................................1476
Diagnostic Procedure ..........................................1477
Component Inspection .........................................1478
PNP SWITCH .........................................................1479
Description ...........................................................1479
CONSULT-II Reference Value in Data Monitor Mode
1479
ECM Terminals and Reference Value ..................1479
Wiring Diagram ....................................................1480
Diagnostic Procedure ..........................................1481
PSP SWITCH .........................................................1483
Component Description .......................................1483
CONSULT-II Reference Value in Data Monitor Mode
1483
ECM Terminals and Reference Value ..................1483
Wiring Diagram ....................................................1484
Diagnostic Procedure ..........................................1485
Component Inspection .........................................1486
Removal and Installation .....................................1486
FUEL TRANSPORT PUMP ...................................1487
Description ...........................................................1487
ECM Terminals and Reference Value ..................1488
Wiring Diagram ....................................................1489
Diagnostic Procedure ..........................................1491
Component Inspection .........................................1494
Removal and Installation .....................................1495
START SIGNAL .....................................................1496
Wiring Diagram ....................................................1496
Diagnostic Procedure ..........................................1497
MI & DATA LINK CONNECTORS ..........................1498
Wiring Diagram ....................................................1498
SERVICE DATA AND SPECIFICATIONS (SDS) ...1500
General Specifications .........................................1500
Mass Air Flow Sensor ..........................................1500
Engine Coolant Temperature Sensor ..................1500
Fuel Rail Pressure Sensor ...................................1500
Glow Plug ............................................................1500

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

DTC P0093 FUEL SYSTEM
EC-959
[YD (WITH EURO-OBD)]
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DTC P0093 FUEL SYSTEMPFP:17520
On Board Diagnosis LogicEBS01185
DTC Confirmation ProcedureEBS01186
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. Turn ignition switch ON.
2. Select “DATA MONITOR” mode with CONSULT-II.
3. Start engine and keep engine speed more than 4,000 rpm for at
least 5 seconds.
4. If 1st trip DTC is detected, go to EC-959, "
Diagnostic Procedure"
.
WITH GST
Follow the procedure “WITH CONSULT-II” above.
Diagnostic ProcedureEBS01187
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
P0093 Fuel system leakECM detects a fuel system leak.
(The relation between the output voltage to the
fuel pump and input voltage from the fuel rail
pressure sensor is out of the normal range.)

Fuel pump

Fuel rail

Fuel pipe

Fuel rail pressure relief valve

Air mixed with fuel

Lack of fuel

Fuel transport pump operation
SEF817Y

EC-1128
[YD (WITH EURO-OBD)]
DTC P1272 FUEL PUMP

: Average voltage for pulse signal (Actual pulse signal can be confirmed by oscilloscope.)
On Board Diagnosis LogicEBS011DQ
DTC Confirmation ProcedureEBS011DR
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. Turn ignition switch ON.
2. Select “DATA MONITOR” mode with CONSULT-II.
3. Start engine and keep engine speed more than 4,000 rpm for at
least 5 seconds, then release the accelerator pedal.
4. If 1st trip DTC is detected, go to EC-1130, "
Diagnostic Proce-
dure" .
WITH GST
Follow the procedure “WITH CONSULT-II” above.
29 L Fuel pump[Engine is running]

Warm-up condition

Idle speed0.5 - 1.0V
[Engine is running]

Warm-up condition

Engine speed is 2,000 rpm0.5 - 1.0V TERMI-
NAL
NO.WIRE
COLORITEM CONDITIONDATA
(DC Voltage and Pulse Signal)
MBIB0887E
MBIB0888E
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P1272Fuel rail pressure relief
valve openFuel rail pressure relief valve is open
because of fuel pressure control system
malfunction.

Harness or connectors
(Fuel pump circuit is open or shorted.)

Fuel pump

Fuel rail pressure sensor

Air mixed with fuel

Lack of fuel

Fuel transport pump operation
SEF817Y

EC-1130
[YD (WITH EURO-OBD)]
DTC P1272 FUEL PUMP

Diagnostic ProcedureEBS011DS
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.
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-1128, "
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-1128, "
DTC Confirmation Procedure" , again.
7. Is 1st trip DTC detected again?
Ye s o r N o
Yes >> GO TO 3.
No >>INSPECTION END

DTC P1273 FUEL PUMP
EC-1135
[YD (WITH EURO-OBD)]
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: Average voltage for pulse signal (Actual pulse signal can be confirmed by oscilloscope.)
On Board Diagnosis LogicEBS011DX
DTC Confirmation ProcedureEBS011DY
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 10 sec-
onds.
4. If 1st trip DTC is detected, go to EC-1137, "
Diagnostic Proce-
dure" .
WITH GST
Follow the procedure “WITH CONSULT-II” above.
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P1273 Fuel pump insufficient flowECM detects the abnormal pulse of fuel pres-
sure.

Fuel pump

Air mixed with fuel

Lack of fuel

Fuel rail pressure sensor

Fuel transport pump operation
SEF817Y

DTC P1273 FUEL PUMP
EC-1137
[YD (WITH EURO-OBD)]
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Diagnostic ProcedureEBS011E0
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.
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-1135, "
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-1135, "
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 PUMP POWER SUPPLY CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector and fuel pump harness
connectors.
3. Check harness continuity between ECM terminal 10 and fuel
pump 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.
Continuity should exist.
PBIB1943E