Mazda CX-5 Service & Repair Manual: Rear ABS Wheel Speed Sensor Inspection [Awd]

Installation Visual Inspection

1. Inspect the following items:

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

a. Excessive 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. Remove the ABS wheel-speed sensor.

2. Measure the distance between the ABS wheel-speed sensor installation surface and the ABS sensor rotor. This is dimension A.

3. Calculate the clearance between the front ABS wheel-speed sensor and the ABS sensor rotor using the following formula:

• Clearance (mm {in}) = A-34.35 {1.352}

4. Verify that the clearance between the ABS sensor rotor and the ABS wheel-speed sensor is as indicated below.

• If there is any malfunction, replace it.

Clearance

• 0.3—1.4 mm {0.02—0.05 in}

Sensor Output Value Inspection

1. Switch the ignition to off.

2. Connect the M-MDS to the DLC-2.

3. Select the following PIDs using the M-MDS:

• WSPD_SEN_LR (LR ABS wheel-speed sensor)

• WSPD_SEN_RR (RR ABS 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 ABS wheel-speed sensor.