User Manual - Page 423

For 2001 XTERRA.

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SEF505U
Component Description
NGEC0272
The vehicle speed sensor is installed in the transaxle. It contains a
pulse generator which provides a vehicle speed signal to the
speedometer. The speedometer then sends a signal to the ECM.
ECM Terminals and Reference Value
NGEC0273
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 ECMs transistor. Use a ground other than ECM terminals, such as the ground.
TERMI-
NAL
NO.
WIRE
COLOR
ITEM CONDITION DATA (DC Voltage)
29 G/B Vehicle speed sensor
[Engine is running]
Lift up the vehicle
In 2nd gear position
Vehicle speed is 40 km/h (25 MPH)
1-4V
SEF003W
On Board Diagnosis Logic
NGEC0274
DTC No. Malfunction is detected when ... Check Items (Possible Cause)
P0500 The almost 0 km/h (0 MPH) signal from vehicle speed
sensor is sent to ECM even when vehicle is being driven.
Harness or connector
(The vehicle speed sensor circuit is open or
shorted.)
Vehicle speed sensor
DTC Confirmation Procedure
NGEC0275
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 5 seconds before
conducting the next test.
TESTING CONDITION:
This procedure 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.
DTC P0500 VEHICLE SPEED SENSOR (VSS)
KA24DE
Component Description
EC-423
FE
CL
MT
AT
TF
PD
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
GI
MA
EM
LC
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