2005 NISSAN X-TRAIL Service Repair Manual

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Page 1857 of 4555

NISSAN X-TRAIL 2005 Service Repair Manual DTC P0117, P0118 ECT SENSOR
EC-1453
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2. CHECK ECT SENSOR POWER SUPPLY CIRCUIT
1. Disconnect engine coolant temperature sensor harness connec-
tor.
2.

Page 1858 of 4555

NISSAN X-TRAIL 2005 Service Repair Manual EC-1454
[YD (WITHOUT EURO-OBD)]
DTC P0117, P0118 ECT SENSOR

Component InspectionEBS011Z1
ENGINE COOLANT TEMPERATURE SENSOR
1. Check resistance between engine coolant temperature sensor
terminals 1 a

Page 1859 of 4555

NISSAN X-TRAIL 2005 Service Repair Manual DTC P0122, P0123 APP SENSOR
EC-1455
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DTC P0122, P0123 APP SENSORPFP:18002
DescriptionEBS011Z3
The accelerator pedal position sensor is installed on t

DTC P0122, P0123 APP SENSOR
EC-1455
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DTC P0122, P0123 APP SENSORPFP:18002
DescriptionEBS011Z3
The accelerator pedal position sensor is installed on the upper end
of the accelerator pedal assembly. The sensors detect the accelera-
tor pedal position and sends a signal to the ECM. The ECM uses the
signal to determine the amount of fuel to be injected.
CONSULT-II Reference Value in Data Monitor ModeEBS011Z4
Specification data are reference values.
*: These signals are converted by ECM internally. Thus, these differ from ECM terminals voltage.
On Board Diagnosis LogicEBS011Z6
The MI will not light up for these self-diagnoses.
NOTE:
If DTC P0122 or P0123 is displayed with DTC P0642 or P0643, first perform trouble diagnosis for
DTC P0642 or P0643. Refer to EC-1575, "
DTC P0642, P0643 SENSOR POWER SUPPLY" .
DTC Confirmation ProcedureEBS011Z7
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. Wait at least 5 seconds.
4. If DTC is detected, go to EC-1459, "
Diagnostic Procedure" .
PBIB1741E
MONITOR ITEM CONDITION SPECIFICATION
ACCEL POS SEN*
Ignition switch: ON
(Engine stopped)Accelerator pedal: Fully released 0.2 - 0.7V
Accelerator pedal: Fully depressed 3.9 - 4.9V
ACCEL SEN 2*
Ignition switch: ON
(Engine stopped)Accelerator pedal: Fully released 0.1 - 0.4V
Accelerator pedal: Fully depressed 1.9 - 2.4V
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P0122
0122Accelerator pedal position
sensor 1 circuit low inputAn excessively low voltage from the APP sensor
1 is sent to ECM.
Harness or connectors
(The APP sensor 1 circuit is open or
shorted.)
Accelerator pedal position sensor
(Accelerator pedal position sensor 1) P0123
0123Accelerator pedal position
sensor 1 circuit high inputAn excessively high voltage from the APP sensor
1 is sent to ECM.
SEF817Y

Page 1860 of 4555

NISSAN X-TRAIL 2005 Service Repair Manual EC-1456
[YD (WITHOUT EURO-OBD)]
DTC P0122, P0123 APP SENSOR

WITHOUT CONSULT-II
1. Turn ignition switch ON and wait at least 5 seconds.
2. Turn ignition switch OFF, wait at least 10 seconds and then

Page 1861 of 4555

NISSAN X-TRAIL 2005 Service Repair Manual DTC P0122, P0123 APP SENSOR
EC-1457
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Wiring DiagramEBS011Z8
TBWA0567E

Page 1862 of 4555

NISSAN X-TRAIL 2005 Service Repair Manual EC-1458
[YD (WITHOUT EURO-OBD)]
DTC P0122, P0123 APP SENSOR

Specification data are reference values and are measured between each terminal and ground.
CAUTION:
Do not use ECM ground terminals when m

Page 1863 of 4555

NISSAN X-TRAIL 2005 Service Repair Manual DTC P0122, P0123 APP SENSOR
EC-1459
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Diagnostic ProcedureEBS011Z9
1. CHECK GROUND CONNECTIONS
1. Turn ignition switch OFF.
2. Loosen and retighten gr

Page 1864 of 4555

NISSAN X-TRAIL 2005 Service Repair Manual EC-1460
[YD (WITHOUT EURO-OBD)]
DTC P0122, P0123 APP SENSOR

2. CHECK APP SENSOR 1 POWER SUPPLY CIRCUIT
1. Disconnect accelerator pedal position (APP) sensor harness
connector.
2. Turn ignition switc

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