2001 NISSAN X-TRAIL Service Repair Manual

battery capacity fuel pressure stop start driver seat adjustment warning clock reset

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Page 1329 of 3833

NISSAN X-TRAIL 2001 Service Repair Manual DTC P0500 VSS
EC-979
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EC
2. Read “VHCL SPEED SE” in “DATA MONITOR” mode with CON-
SULT-II. The vehicle speed on CONSULT-II should exceed 10

Page 1330 of 3833

NISSAN X-TRAIL 2001 Service Repair Manual EC-980
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DTC P0500 VSS
Wiring Diagram
EBS00MY7
LHD MODELS
TBWA0068E

Page 1331 of 3833

NISSAN X-TRAIL 2001 Service Repair Manual DTC P0500 VSS
EC-981
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RHD MODELS
TBWA0069E

Page 1332 of 3833

NISSAN X-TRAIL 2001 Service Repair Manual EC-982
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DTC P0500 VSS
Diagnostic Procedure
EBS00MY8
1. CHECK DTC WITH ESP/TCS/ABS CONTROL UNIT, 4WD/ABS CONTROL UNIT
Check DTC with ESP/TCS/ABS control unit (with ESP models), 4WD

Page 1333 of 3833

NISSAN X-TRAIL 2001 Service Repair Manual DTC P0550 PSP SENSOR
EC-983
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DTC P0550 PSP SENSORPFP:49763
Component DescriptionEBS00MY9
Power steering pressure (PSP) sensor is installed to the

DTC P0550 PSP SENSOR
EC-983
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DTC P0550 PSP SENSORPFP:49763
Component DescriptionEBS00MY9
Power steering pressure (PSP) sensor is installed to the power
steering high-pressure tube and detects a power steering load. This
sensor is a potentiometer which transforms the power steering load
into output voltage, and emits the voltage signal to the ECM. The
ECM controls the electric throttle control actuator and adjusts the
throttle valve opening angle to increase the engine speed and
adjusts the idle speed for the increased load.
CONSULT-II Reference Value in Data Monitor ModeEBS00MYA
Specification data are reference values.
ECM Terminals and Reference ValueEBS00MYB
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 LogicEBS00MYC
The MI will not light up for this diagnosis.
DTC Confirmation ProcedureEBS00MYD
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”.
PBIB0502E
MONITOR ITEM CONDITION SPECIFICATION
PW/ST SIGNAL
●Engine: After warming up, idle
the engineSteering wheel is in neutral position.
(Forward direction)OFF
Steering wheel is turned. ON
TER-
MINAL
NO.WIRE
COLORITEM CONDITION DATA (DC Voltage)
58 B Sensors' ground[Engine is running]
●Warm-up condition
●Idle speedApproximately 0V
65 RSensor's power sup-
ply[Ignition switch “ON”]Approximately 5V
67 PPower steering pres-
sure sensor[Engine is running]
●Steering wheel is being turned.0.5 - 4.0V
[Engine is running]
●Steering wheel is not being turned.0.4 - 0.8V
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P0550
0550Power steering pres-
sure sensor circuitAn excessively low or high voltage from the
sensor is sent to ECM.
●Harness or connectors
(The sensor circuit is open or shorted)
●Power steering pressure sensor

Page 1334 of 3833

NISSAN X-TRAIL 2001 Service Repair Manual EC-984
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DTC P0550 PSP SENSOR
2. Select “DATA MONITOR” mode with CONSULT-II.
3. Start engine and let it idle for at least 5 seconds.
4. If 1st trip DTC is detected, go to EC-98

Page 1335 of 3833

NISSAN X-TRAIL 2001 Service Repair Manual DTC P0550 PSP SENSOR
EC-985
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Wiring DiagramEBS00MYE
TBWA0087E

Page 1336 of 3833

NISSAN X-TRAIL 2001 Service Repair Manual EC-986
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DTC P0550 PSP SENSOR
Diagnostic Procedure
EBS00MYF
1. RETIGHTEN GROUND SCREWS
1. Turn ignition switch “OFF”.
2. Loosen and retighten engine ground screws.
>> GO TO 2.

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