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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.
(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.





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.