Mazda MX-5 Miata / Grand Touring. Manual — part 24



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

REAR ABS WHEEL-SPEED SENSOR REMOVAL/INSTALLATION

1. Remove the trunk end trim. (See TRUNK END TRIM REMOVAL/INSTALLATION .)

2. Remove the partition board. (See PARTITION BOARD REMOVAL/INSTALLATION .)

3. Remove the trunk side trim. (See TRUNK SIDE TRIM REMOVAL/INSTALLATION .)

4. Remove the fuel-filler pipe protector. (See FUEL TANK REMOVAL/INSTALLATION [LF] .)

5. Remove in the order indicated in Fig. 14 .

6. Install in the reverse order of removal.

Fig. 14: Identifying Rear ABS Wheel-Speed Sensor (With Torque Specifications)
Courtesy of MAZDA MOTORS CORP.

REAR ABS WHEEL-SPEED SENSOR INSPECTION

INSTALLATION VISUAL INSPECTION

1. Inspect the following items:



If there is any malfunction, replace the applicable part.

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

2. Deformation of the ABS wheel-speed sensor

3. Deformation or damage of the ABS sensor rotor

2008 Mazda MX-5 Miata Grand Touring

2008 BRAKES Antilock Brake System - MX-5 Miata

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}

Fig. 15: Inspecting ABS Sensor-To-Rotor Clearance
Courtesy of MAZDA MOTORS CORP.

SENSOR OUTPUT VALUE INSPECTION

1. Turn the ignition switch off.

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

2008 Mazda MX-5 Miata Grand Touring

2008 BRAKES Antilock Brake System - MX-5 Miata

Fig. 16: Locating DLC-2 Connector
Courtesy of MAZDA MOTORS CORP.

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



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 or equivalent shows the same value as the speedometer.



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

2008 Mazda MX-5 Miata Grand Touring

2008 BRAKES Antilock Brake System - MX-5 Miata

2008 BRAKES

Conventional Brake System - MX-5 Miata

CONVENTIONAL BRAKE SYSTEM LOCATION INDEX

Fig. 1: Identifying Location Of Conventional Brake System Components
Courtesy of MAZDA MOTORS CORP.

AIR BLEEDING

CAUTION:



Brake fluid will damage painted surfaces. Be careful not to spill any
on painted surfaces. If it is spilled, wipe it off immediately.

2008 Mazda MX-5 Miata Grand Touring

2008 BRAKES Conventional Brake System - MX-5 Miata

2008 Mazda MX-5 Miata Grand Touring

2008 BRAKES Conventional Brake System - MX-5 Miata