REAR ABS WHEEL-SPEED SENSOR INSPECTION [4WD]

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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

  • 0.95—1.75 mm {0.038—0.068 in}

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_LR
  (LR ABS wheel-speed sensor)
  • WSPD_RR
  (RR 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 rear ABS wheel-speed sensor.