2003 NISSAN X-TRAIL Service Repair Manual

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Page 753 of 4179

NISSAN X-TRAIL 2003 Service Repair Manual DTC P1706 PNP SWITCH
EC-375
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Wiring DiagramEBS010U0
TBWA0622E

Page 754 of 4179

NISSAN X-TRAIL 2003 Service Repair Manual EC-376
[QR (WITH EURO-OBD)]
DTC P1706 PNP SWITCH

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

Page 755 of 4179

NISSAN X-TRAIL 2003 Service Repair Manual DTC P1706 PNP SWITCH
EC-377
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4. CHECK PNP SWITCH
Refer to AT- 4 0 8 , "
Park/Neutral Position (PNP) Switch" (A/T) or MT-13, "PARK/NEUTRAL POSITION
SWI

Page 756 of 4179

NISSAN X-TRAIL 2003 Service Repair Manual EC-378
[QR (WITH EURO-OBD)]
DTC P1720 VSS

DTC P1720 VSSPFP:31036
DescriptionEBS018LQ
NOTE:
If DTC P1720 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to
EC-13

EC-378
[QR (WITH EURO-OBD)]
DTC P1720 VSS

DTC P1720 VSSPFP:31036
DescriptionEBS018LQ
NOTE:
If DTC P1720 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to
EC-132, "
DTC U1000, U1001 CAN COMMUNICATION LINE" .
ECM receives two vehicle speed sensor signals via CAN communication line. One is sent from ESP/TCS/ABS
control unit (models with ESP) or “ABS actuator and electric unit (control unit)”(models without ESP), and the
other is from TCM (Transmission control module). ECM uses these two signals for engine control.
CONSULT-II Reference Value in Data Monitor ModeEBS018LR
Specification data are reference values.
On Board Diagnosis LogicEBS018LS
The MI will not light up for this diagnosis.
DTC Confirmation ProcedureEBS018LT
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.
WITH CONSULT-II
1. Turn ignition switch ON.
2. Select “DATA MONITOR” mode with CONSULT-II.
3. Start engine.
4. Drive vehicle at a speed of 20 km/h (12 MPH) or more for at least 5 seconds without brake pedal depress-
ing.
5. If 1st trip DTC is detected, go to EC-379, "
Diagnostic Procedure" .
WITH GST
Follow the procedure “WITH CONSULT-II” above.
MONITOR ITEM CONDITION SPECIFICATION
VEH SPEED SE
Turn drive wheels and compare the CONSULT-II value with speedometer
indicationAlmost the same speed as the
speedometer indication
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P1720
1720Vehicle speed sensor
(A/T output)ECM detects a difference between two
vehicle speed sensor signals is out of the
specified range.
Harness or connectors
(The CAN communication line is open or
shorted)
Harness or connectors
(Revolution sensor circuit is open or shorted)
Harness or connectors
(Wheel sensor circuit is open or shorted.)
TCM
ESP/TCS/ABS control unit (models with ESP)
“ABS actuator and electric unit (control unit)”
(models without ESP)
Combination meter
Wheel sensor
Revolution sensor

Page 757 of 4179

NISSAN X-TRAIL 2003 Service Repair Manual DTC P1720 VSS
EC-379
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Diagnostic ProcedureEBS018LU
1. CHECK DTC WITH TCM
Check DTC with TCM. Refer to AT- 6 , "
TROUBLE DIAGNOSIS — INDEX" .
OK or NG

Page 758 of 4179

NISSAN X-TRAIL 2003 Service Repair Manual EC-380
[QR (WITH EURO-OBD)]
DTC P1805 BRAKE SWITCH

DTC P1805 BRAKE SWITCHPFP:25320
DescriptionEBS010U2
Brake switch signal is applied to the ECM through the stop lamp switch when the brake pedal is

Page 759 of 4179

NISSAN X-TRAIL 2003 Service Repair Manual DTC P1805 BRAKE SWITCH
EC-381
[QR (WITH EURO-OBD)]
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Wiring DiagramEBS010U7
TBWA0623E

Page 760 of 4179

NISSAN X-TRAIL 2003 Service Repair Manual EC-382
[QR (WITH EURO-OBD)]
DTC P1805 BRAKE SWITCH

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

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