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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Sensor Output Value Inspection

1.  Turn the ignition switch to the OFF position.

2.  Connect the M-MDS to the DLC-2.

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3.  After the vehicle is identified, select the following items from the initialization screen of the M-MDS.

•  When using the IDS (laptop PC)

1.  Select “DataLogger”.

2.  Select “Modules”.

3.  Select “ABS”.

•  When using the PDS (Pocket PC)

1.  Select “Module Tests”.

2.  Select “ABS”.

3.  Select “DataLogger”.

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

•  WSPD_LF

(LF ABS wheel-speed sensor)

•  WSPD_RF

(RF ABS wheel-speed sensor)

5.  Start the engine and drive the vehicle.

6.  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.