2005 NISSAN X-TRAIL sensor

DTC P0502 ASCD VEHICLE SPEED SENSOR
EC-1203
[YD (WITH EURO-OBD)]
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Diagnostic ProcedureEBS01FC4
1. CHECK DTC WITH ESP/TCS/ABS CONTROL UNIT (MODELS WITH ESP) OR ABS ACTUATOR AND
ELECTRIC UNIT (CONTROL UNIT) (MODELS WITHOUT ESP)
Refer to BRC-60, "
TROUBLE DIAGNOSIS" (models with ESP) or BRC-12, "TROUBLE DIAGNOSIS" (models
without ESP).
OK or NG
OK >> GO TO 2.
NG >> Repair or replace.
2. CHECK COMBINATION METER
Check combination meter function.
Refer to DI-4, "
COMBINATION METERS" .
>>INSPECTION END

EC-1204
[YD (WITH EURO-OBD)]
DTC P0503 ASCD VEHICLE SPEED SENSOR

DTC P0503 ASCD VEHICLE SPEED SENSORPFP:24810
Component DescriptionEBS01FC5
The ECM receives vehicle speed sensor signal via CAN communication line. It is sent from combination
meter. The ECM uses this signal for ASCD control. Refer to EC-1339, "
AUTOMATIC SPEED CONTROL
DEVICE (ASCD)" for ASCD functions.
On Board Diagnosis LogicEBS01FC6
This self-diagnosis has the one trip detection logic.
MI will not light up for this self-diagnosis.
NOTE:

If DTC P0503 is displayed with DTC U1000 first perform the trouble diagnosis for DTC U1000. Refer
to EC-1056, "
DTC U1000 CAN COMMUNICATION LINE" .
DTC Confirmation ProcedureEBS01FC7
CAUTION:
Always drive vehicle at a safe speed.
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.
TESTING CONDITION:
Step 3 may be conducted with the drive wheels lifted in the shop or by driving the vehicle. If a road test
is expected to be easier, it is unnecessary to lift the vehicle.
WITH CONSULT-II
1. Start engine (ESP switch OFF).
2. Select “DATA MONITOR” mode with CONSULT-II.
3. Drive the vehicle at more than 10 km/h (6 MPH) for at least 5
seconds.
4. If DTC is detected, go to EC-1205, "
Diagnostic Procedure" .
WITH GST
Follow the procedure “WITH CONSULT-II” above.
DTC No.Trouble Diagnosis
NameDTC Detecting Condition Possible Cause
P0503
0503Vehicle speed sen-
sor circuit high inputVehicle speed signal is excessively high com-
pared with the driving condition.

Harness or connectors
(The CAN communication line is open or
shorted.)

Combination meter

ABS actuator and electric unit (control unit)
(models without ESP)

ESP/TCS/ABS control unit (models with ESP)

Wheel sensor

ECM
SEF058YMBIB1085E

DTC P0503 ASCD VEHICLE SPEED SENSOR
EC-1205
[YD (WITH EURO-OBD)]
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Diagnostic ProcedureEBS01FC8
1. CHECK DTC WITH ESP/TCS/ABS CONTROL UNIT (MODELS WITH ESP) OR ABS ACTUATOR AND
ELECTRIC UNIT (CONTROL UNIT) (MODELS WITHOUT ESP)
Refer to BRC-60, "
TROUBLE DIAGNOSIS" (models with ESP system) or BRC-12, "TROUBLE DIAGNOSIS"
(models without ESP system).
OK or NG
OK >> GO TO 2.
NG >> Repair or replace.
2. CHECK COMBINATION METER
Check combination meter function.
Refer to DI-4, "
COMBINATION METERS" .
>>INSPECTION END

EC-1236
[YD (WITH EURO-OBD)]
DTC P0642, P0643 SENSOR POWER SUPPLY

DTC P0642, P0643 SENSOR POWER SUPPLYPFP:18002
On Board Diagnosis LogicEBS011CF
DTC Confirmation ProcedureEBS011CG
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 1st trip DTC is detected, go to EC-1238, "
Diagnostic Proce-
dure" .
WITH GST
Follow the procedure “WITH CONSULT-II” above.
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P0642
0642Sensor power supply cir-
cuit low inputECM detects a voltage of power source for sen-
sor is excessively low.

Harness or connectors
(The APP sensor 1 power supply cir-
cuit is shorted.)

Accelerator pedal position sensor
(Accelerator pedal position sensor 1) P0643
0643Sensor power supply cir-
cuit high inputECM detects a voltage of power source for Sen-
sor is excessively high.
SEF817Y

DTC P0642, P0643 SENSOR POWER SUPPLY
EC-1237
[YD (WITH EURO-OBD)]
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Wiring DiagramEBS011V5
TBWA0731E

EC-1238
[YD (WITH EURO-OBD)]
DTC P0642, P0643 SENSOR POWER SUPPLY

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.
Diagnostic ProcedureEBS011CI
1. CHECK GROUND CONNECTIONS
1. Turn ignition switch OFF.
2. Loosen and retighten ground screws on the body. Refer to EC-1055, "
Ground Inspection" .
OK or NG
OK >> GO TO 2.
NG >> Repair or replace ground connections.
TERMI-
NAL
NO.WIRE
COLORITEM CONDITIONDATA
(DC Voltage and Pulse Signal)
82 BAccelerator pedal position
sensor 1 power supply[Ignition switch ON]Approximately 5.3V
PBIB2020E

DTC P0642, P0643 SENSOR POWER SUPPLY
EC-1239
[YD (WITH EURO-OBD)]
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2. CHECK APP SENSOR 1 POWER SUPPLY CIRCUIT
1. Disconnect accelerator pedal position (APP) sensor harness
connector.
2. Turn ignition switch ON.
3. Check voltage between APP sensor terminal 6 and ground with
CONSULT-II or tester.
OK or NG
OK >> GO TO 3.
NG >> Repair open circuit or short to ground or short to power
in harness or connectors.
3. CHECK APP SENSOR
Refer to EC-1105, "
Component Inspection" .
OK or NG
OK >> GO TO 4.
NG >> Replace accelerator pedal assembly.
4. CHECK INTERMITTENT INCIDENT
Refer to EC-1045, "
TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT" .
>>INSPECTION END
PBIB1893E
Voltage: Approximately 5.3V
PBIB0914E

EC-1240
[YD (WITH EURO-OBD)]
DTC P0652, P0653 SENSOR POWER SUPPLY

DTC P0652, P0653 SENSOR POWER SUPPLYPFP:18002
On Board Diagnosis LogicEBS011CO
DTC Confirmation ProcedureEBS011CP
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 1st trip DTC is detected, go to EC-1242, "
Diagnostic Proce-
dure" .
WITH GST
Follow the procedure “WITH CONSULT-II” above.
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P0652Sensor power supply cir-
cuit lowECM detects a voltage of power source for sen-
sor is excessively low.

Harness or connectors
(APP sensor 2 power supply circuit is
shorted.)
(Crankshaft position sensor circuit is
shorted.)
(Camshaft position sensor circuit is
shorted.)
(Fuel rail pressure sensor circuit is
shorted.)
(Turbocharger boost sensor circuit is
shorted.)

Accelerator pedal position sensor
(Accelerator pedal position sensor 2)

Crankshaft position sensor

Camshaft position sensor

Fuel rail pressure sensor

Turbocharger boost sensor P0653
0653Sensor power supply cir-
cuit high inputECM detects a voltage of power source for Sen-
sor is excessively high.
SEF817Y