FRONT ABS WHEEL-SPEED SENSOR INSPECTION


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Installation Visual Inspection

1.  Inspect the following items:

•  If there is any malfunction, replace the applicable part.
(1)  Excessive play of the ABS wheel-speed sensor
(2)  Deformation of the ABS wheel-speed sensor
(3)  Deformation or damage of the ABS sensor rotor


Clearance Inspection

1.  Verify the clearance between the ABS sensor rotor and the ABS wheel-speed sensor.

•  If there is any malfunction, check for improper installation, and replace if necessary.
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Clearance
•  0.7—1.5 mm {0.028—0.059 in}

Sensor Output Value Inspection

1.  Turn the ignition switch off.

2.  Connect the M-MDS to the DLC-2.

L.H.D.

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R.H.D.

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3.  Select the following PIDs using the M-MDS:

•  WSPD_LF
(LF ABS wheel-speed sensor)
•  WSPD_RF
(RF ABS wheel-speed sensor)

4.  Start the engine and drive the vehicle.

5.  Verify that the display of the M-MDS shows the same value as the speedometer.

•  If there is any malfunction, replace the front ABS wheel-speed sensor.