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The relevant wheel, on which the
wheel speed
sensor is fitted, should be free to run.
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1.Remove the wheel speed
sensor connector to be checked.
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2.
caution |
For precise measurement, do
not connect to the wheel
speed sensor-side connector and the wiring
harness side connector terminal No.1.
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Use the special tool test harness (MB991709) to
connect a multimeter between the wheel
speed sensor-side connector and the wiring harness connector
terminal No.2. 3.Turn the ignition switch to the
"ON" position. 4.
caution |
Do not rotate the wheel too
quickly. Output current changes
significantly as the wheel speed detection
magnetic encoder comes near or goes away from
the
wheel speed sensor.
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Rotate the wheel, on which the wheel speed sensor is
fitted, quite slowly to measure the
output current with the multimeter. Standard
value: 5.9 to 8.4 mA or 11.8 to 16.8
mA 5.If the measurement is not within the
standard value, or the output current does not
change in proportion to the wheel rotation, replace the
wheel speed sensor (Refer to
<Front>,
<Rear>).
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