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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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![](../../../img/35/ACB00833AB00ENG.png)
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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 to 9 mA or 11 to
17 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 ).
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