LR_WSPD
RF_WSPD
RR_WSPD
Start the engine and
drive the vehicle.
Verify that the PIDs of
the four ABS wheel-
speed sensors
correspond
approximately.
Do the vehicle speeds
correspond?
2
INSPECT IF
MALFUNCTION
OCCURRED DUE TO
IMPROPER SENSOR
CLEARANCE
Inspect the clearance
between the ABS
wheel-speed sensor
and the ABS sensor
rotor.
Clearance
Front: 0.3-1.0 mm
{0.012-0.057 in}
Rear: 0.8-1.6 mm
{0.032-0.062 in}
Yes
Go to the next step.
No
Replace the rear ABS wheel-speed
sensor, then go to Step 4.
(See
FRONT ABS WHEEL-SPEED
SENSOR
REMOVAL/INSTALLATION
.)
(See
REAR ABS WHEEL-SPEED
SENSOR
REMOVAL/INSTALLATION
.)
3
VISUALLY INSPECT
ABS SENSOR ROTOR
FOR FOREIGN
MATERIAL ADHERING
OR IMPROPER
INSTALLATION
Is the result normal?
Yes
Go to the next step.
No
Replace the front wheel hub
component or rear drive shaft, then go
to the next step.
(See
WHEEL HUB, STEERING
KNUCKLE
REMOVAL/INSTALLATION
.)
(See
REAR DRIVE SHAFT
REMOVAL/INSTALLATION
.)
4
VERIFY DTC
TROUBLESHOOTING
COMPLETED
Yes
Repeat the inspection from Step 1.
If the malfunction recurs, replace the
DSC HU/CM.
2007 Mazda MX-5 Miata Sport
2007 BRAKES On-Board Diagnostic (ABS) - MX-5 Miata
Microsoft
Thursday, July 09, 2009 3:17:55 PM
Page 27
© 2005 Mitchell Repair Information Company, LLC.