2001 NISSAN X-TRAIL Service Repair Manual

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Page 1809 of 3833

NISSAN X-TRAIL 2001 Service Repair Manual DTC P0115 ENGINE COOLANT TEMPERATURE (ECT) SENSOR (CIRCUIT)
EC-1459
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Component InspectionEBS004QD
ENGINE COOLANT TEMPERATURE SENSOR
1. Check resistance between engine

Page 1810 of 3833

NISSAN X-TRAIL 2001 Service Repair Manual EC-1460
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DTC P0120 ACCELERATOR PEDAL POSITION SENSOR
DTC P0120 ACCELERATOR PEDAL POSITION SENSOR
PFP:18002
DescriptionEBS004R5
The accelerator work unit is installed on the upper end of

EC-1460
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DTC P0120 ACCELERATOR PEDAL POSITION SENSOR
DTC P0120 ACCELERATOR PEDAL POSITION SENSOR
PFP:18002
DescriptionEBS004R5
The accelerator work unit is installed on the upper end of the accelerator pedal assembly. The accelerator
pedal position sensor 1, 2 and accelerator pedal released position switch are built into the accelerator work
unit. The sensors detect the accelerator pedal position and sends a signal to the ECM. The ECM uses the sig-
nal to determine the amount of fuel to be injected.
The accelerator pedal released position switch detects accelerator pedal released position and sends the sig-
nal to the ECM. The ECM will then determine engine idle conditions. The signal is also used for diagnosing the
accelerator pedal position sensor.
CONSULT-II Reference Value in Data Monitor ModeEBS004R6
Specification data are reference values.
*: Accelerator pedal position sensor 2 signal is converted by ECM internally. Thus, it differ from ECM terminals voltage.
ECM Terminals and Reference ValueEBS004R7
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.
PBIB0463E
MONITOR ITEM CONDITION SPECIFICATION
ACCEL POS SEN
●Ignition switch: ON
(Engine stopped)Accelerator pedal: fully released 0.8 - 1.3V
Accelerator pedal: fully depressed More than 3.5V
ACCEL SEN 2*
●Ignition switch: ON
(Engine stopped)Accelerator pedal: fully released 0.3 - 1.8V
Accelerator pedal: fully depressed More than 3.0V
OFF ACCEL SW
●Ignition switch: ON
(Engine stopped)Accelerator pedal: fully released ON
Accelerator pedal: slightly
depressed OFF
TERMI-
NAL
NO.WIRE
COLORITEM CONDITIONDATA
(DC Voltage and Pulse Signal)
A21 BAccelerator pedal
released position switch
ground[Ignition switch “ON”]Approximately 0V
A22 LGAccelerator pedal position
sensor 1 ground[Ignition switch “ON”]Approximately 0V

Page 1811 of 3833

NISSAN X-TRAIL 2001 Service Repair Manual DTC P0120 ACCELERATOR PEDAL POSITION SENSOR
EC-1461
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On Board Diagnosis LogicEBS004R8
DTC Confirmation ProcedureEBS004R9
WITH CONSULT-II
1. Turn ignition switch “ON”

Page 1812 of 3833

NISSAN X-TRAIL 2001 Service Repair Manual EC-1462
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DTC P0120 ACCELERATOR PEDAL POSITION SENSOR
Wiring Diagram
EBS004RA
TBWA0112E

Page 1813 of 3833

NISSAN X-TRAIL 2001 Service Repair Manual DTC P0120 ACCELERATOR PEDAL POSITION SENSOR
EC-1463
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Diagnostic ProcedureEBS004RB
1.CHECK ACCELERATOR PEDAL POSITION SENSOR FUNCTION
With CONSULT-II
1. Turn ignition swit

Page 1814 of 3833

NISSAN X-TRAIL 2001 Service Repair Manual EC-1464
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DTC P0120 ACCELERATOR PEDAL POSITION SENSOR
3. CHECK ACCELERATOR PEDAL POSITION SENSOR POWER SUPPLY CIRCUIT
1. Turn ignition switch “OFF”.
2. Disconnect accelerator work unit harness

Page 1815 of 3833

NISSAN X-TRAIL 2001 Service Repair Manual DTC P0120 ACCELERATOR PEDAL POSITION SENSOR
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7.CHECK ACCELERATOR PEDAL POSITION SENSOR INPUT SIGNAL CIRCUIT FOR OPEN AND
SHORT
1. Disconnect ECM harness connecto

Page 1816 of 3833

NISSAN X-TRAIL 2001 Service Repair Manual EC-1466
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DTC P0120 ACCELERATOR PEDAL POSITION SENSOR
11 . DETECT MALFUNCTIONING PART
Check the following.
●Harness connectors F30, M63
●Harness for open or short between accelerator work unit

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