Connect the M-MDS
to the DLC-2.
Select the following
PIDs using the M-
MDS:
LF_WSPD
LR_WSPD
RF_WSPD
RR_WSPD
Drive the vehicle.
Verify that the wheel
speed-signals are
transmitted from each
ABS wheel-speed
sensor.
Are the wheel-speed
signals transmitted?
No
Go to the next step.
2
INSPECT A SHORT TO
GROUND IN THE
WIRING HARNESS
BETWEEN THE ABS
HU/CM AND THE ABS
WHEEL-SPEED SENSOR
Turn the ignition
switch off.
Disconnect the ABS
HU/CM connector and
the ABS wheel-speed
sensor connector.
Inspect for a short to
ground in the wiring
harness between the
following ABS wheel-
speed sensor
connectors on the
vehicle wiring
harness-side and ABS
HU/CM connectors.
RF ABS wheel-
Yes
Replace the ABS wheel-speed sensor,
then go to the next step.
(See
FRONT ABS WHEEL-SPEED
SENSOR
REMOVAL/INSTALLATION
.)
(See
REAR ABS WHEEL-SPEED
SENSOR
REMOVAL/INSTALLATION
.)
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 34
© 2005 Mitchell Repair Information Company, LLC.