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 WDS or equivalent to inspect the ABS wheel-speed sensor.

1. Turn the ignition switch off.

2. Connect the WDS or equivalent to the DLC-2.

3. Select the following PIDs using the WDS or equivalent:

• 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 WDS or equivalent shows the same value as the speedometer.

• If there is any malfunction, replace the front ABS wheel-speed sensor.