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Antilock Brake System

REAR ABS WHEEL-SPEED SENSOR INSPECTION

Installation Visual Inspection
1. Inspect the following items:
^ If there is any malfunction, replace the applicable part.

1) Excessive looseness or 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 0.8-1.6 mm (0.032-0.062 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:
^ LR_WSPD
(LR wheel-speed sensor)
^ RR_WSPD
(RR 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 rear ABS wheel-speed sensor.