Front ABS Wheel-Speed Sensor Inspection
FRONT ABS WHEEL-SPEED SENSOR INSPECTIONInstallation 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.