Front

FRONT ABS WHEEL-SPEED SENSOR INSPECTION

Installation Visual Inspection
1. Inspect for the following:
^ If there is any malfunction, replace the 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. Inspect the clearance between the front ABS wheel-speed sensor and the ABS sensor rotor.
^ If there is any malfunction, verify improper installation and replace if necessary.

Clearance
2.1 mm (0.082 in) or less

Sensor Output Value Inspection

Caution
^ Resistance inspection using other testers may cause damage to the ABS wheel-speed sensor internal circuit. Be sure to use the M-MDS to inspect the ABS wheel-speed sensor.

1. Turn the ignition switch off.





2. Connect the M-MDS to the DLC-2.
3. Select the following PIDs using the M-MDS:
^ LF_WSPD (LF wheel-speed sensor)
^ RF_WSPD (RF 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.