2008 - MX-5 - Brakes

REAR ABS WHEEL-SPEED SENSOR INSPECTION

Installation Visual Inspection

1. Inspect the following items:

• If there is any malfunction, replace the applicable part.

a. Excessive looseness or play of the ABS wheel-speed sensor

b. Deformation of the ABS wheel-speed sensor

c. 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.