2003 NISSAN X-TRAIL Service Repair Manual

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Page 1777 of 4179

NISSAN X-TRAIL 2003 Service Repair Manual DTC P0686 ECM RELAY
EC-1399
[YD (WITHOUT EURO-OBD)]
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DTC P0686 ECM RELAYPFP:25230
ECM Terminals and Reference valveEBS01233
On Board Diagnosis LogicEBS01234
The MI will not

Page 1778 of 4179

NISSAN X-TRAIL 2003 Service Repair Manual EC-1400
[YD (WITHOUT EURO-OBD)]
DTC P0686 ECM RELAY

Wiring DiagramEBS01236
TBWA0576E

Page 1779 of 4179

NISSAN X-TRAIL 2003 Service Repair Manual DTC P0686 ECM RELAY
EC-1401
[YD (WITHOUT EURO-OBD)]
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Diagnostic ProcedureEBS01237
1. CHECK ECM OUTPUT SIGNAL CIRCUIT FOR SHORT TO GROUND
1. Turn ignition switch OFF.
2. Disc

Page 1780 of 4179

NISSAN X-TRAIL 2003 Service Repair Manual EC-1402
[YD (WITHOUT EURO-OBD)]
DTC P1211 TCS CONTROL UNIT

DTC P1211 TCS CONTROL UNITPFP:47850
DescriptionEBS01239
The malfunction information related to TCS is transferred through the CAN communica

Page 1781 of 4179

NISSAN X-TRAIL 2003 Service Repair Manual DTC P1212 TCS COMMUNICATION LINE
EC-1403
[YD (WITHOUT EURO-OBD)]
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DTC P1212 TCS COMMUNICATION LINEPFP:47850
DescriptionEBS0123D
NOTE:
If DTC P1212 is displayed with DTC U100

Page 1782 of 4179

NISSAN X-TRAIL 2003 Service Repair Manual EC-1404
[YD (WITHOUT EURO-OBD)]
DTC P1260 - P1267 FUEL INJECTOR ADJUSTMENT RESISTOR

DTC P1260 - P1267 FUEL INJECTOR ADJUSTMENT RESISTORPFP:16600
DescriptionEBS0123H
The fuel injector adjustment resi

EC-1404
[YD (WITHOUT EURO-OBD)]
DTC P1260 - P1267 FUEL INJECTOR ADJUSTMENT RESISTOR

DTC P1260 - P1267 FUEL INJECTOR ADJUSTMENT RESISTORPFP:16600
DescriptionEBS0123H
The fuel injector adjustment resistor is built into the fuel injector. The resistance is constant and individual.
ECM uses the individual resistance to determine the fuel injection pulse.
ECM Terminals and Reference ValueEBS0123I
Specification data are reference values and are measured between each terminal and ground.
CAUTION:
Do not use ECM ground terminals when measuring input/output voltage. Doing so may result in dam-
age to the ECM's transistor. Use a ground other than ECM terminals, such as the ground.
On Board Diagnosis LogicEBS0123J
The MI will not light up for these self-diagnoses.
TERMI-
NAL
NO.WIRE
COLORITEM CONDITIONDATA
(DC Voltage)
59
60
61
62W/B
Y/B
G/B
R/BFuel injector adjustment
resistor No. 1
Fuel injector adjustment
resistor No. 3
Fuel injector adjustment
resistor No. 4
Fuel injector adjustment
resistor No. 2[Ignition switch ON]0.5 - 5.1V
(There are individual differences
between fuel injector adjustment
resistors.)
78 RFuel injector adjustment
resistor ground[Ignition switch ON]Approximately 0.3V
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P1260No. 1 cylinder fuel injector
adjustment resistor low
inputAn excessively low voltage from the No. 1 cylin-
der fuel injector adjustment resistor is sent to
ECM.
Harness or connectors
(The fuel injector adjustment resistor
circuit is open or shorted.)
Fuel injector adjustment resistor P1261No. 1 cylinder fuel injector
adjustment resistor high
inputAn excessively high voltage from the No. 1 cylin-
der fuel injector adjustment resistor is sent to
ECM.
P1262No. 2 cylinder fuel injector
adjustment resistor low
inputAn excessively low voltage from the No. 2 cylin-
der fuel injector adjustment resistor is sent to
ECM.
P1263No. 2 cylinder fuel injector
adjustment resistor high
inputAn excessively high voltage from the No. 2 cylin-
der fuel injector adjustment resistor is sent to
ECM.
P1264No. 3 cylinder fuel injector
adjustment resistor low
inputAn excessively low voltage from the No. 3 cylin-
der fuel injector adjustment resistor is sent to
ECM.
P1265No. 3 cylinder fuel injector
adjustment resistor high
inputAn excessively high voltage from the No. 3 cylin-
der fuel injector adjustment resistor is sent to
ECM.
P1266No. 4 cylinder fuel injector
adjustment resistor low
inputAn excessively low voltage from the No. 4 cylin-
der fuel injector adjustment resistor is sent to
ECM.
P1267No. 4 cylinder fuel injector
adjustment resistor high
inputAn excessively high voltage from the No. 4 cylin-
der fuel injector adjustment resistor is sent to
ECM.

Page 1783 of 4179

NISSAN X-TRAIL 2003 Service Repair Manual DTC P1260 - P1267 FUEL INJECTOR ADJUSTMENT RESISTOR
EC-1405
[YD (WITHOUT EURO-OBD)]
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DTC Confirmation ProcedureEBS0123K
NOTE:
If DTC Confirmation Procedure has been previous

Page 1784 of 4179

NISSAN X-TRAIL 2003 Service Repair Manual EC-1406
[YD (WITHOUT EURO-OBD)]
DTC P1260 - P1267 FUEL INJECTOR ADJUSTMENT RESISTOR

Wiring DiagramEBS0123L
TBWA0575E

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