Front ABS Wheel-Speed Sensor Inspection

FRONT ABS WHEEL-SPEED SENSOR INSPECTION

Installation Visual Inspection

1. Inspect the following items:

- If there is any malfunction, replace the applicable part.

a. Excessive play of the ABS wheel-speed sensor

b. Deformation of the ABS wheel-speed sensor

c. 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.






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.






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.