The
ACTIVE COMMAND MODE INSPECTION REFERENCE TABLE
above shows an example
of a right front wheel inspection.
4. Send the command while depressing the brake pedal and attempting to rotate the wheel being inspected.
5. Performing the inspection above determines the following:
The ABS HU/CM brake lines are normal.
The ABS HU/CM hydraulic system is not significantly abnormal (including inside ABS HU/CM).
The ABS HU/CM internal electrical parts (solenoid, motor and other parts) are normal.
The ABS HU/CM output system wiring harnesses (solenoid valve, relay system) are normal.
However, the following items cannot be verified.
Malfunction of ABS HU/CM input system wiring harnesses and parts
Extremely small leaks in the ABS HU/CM internal hydraulic system
Malfunction with intermittent occurrence of the above items
ABS HU/CM REMOVAL/INSTALLATION
1. Perform ABS configuration. (See
ABS CONFIGURATION
.)
2. Remove in the order indicated in
Fig. 4
.
3. Install in the reverse order of removal.
condition
PMP_MOTOR
RF_OUTLET
RF_INLET
transmission type
Brake pressure
retention
OFF
OFF
ON
Manual
Brake pressure
reduction
ON
ON
ON
CAUTION:
To protect the ABS HU/CM, the solenoid valve and the pump
motor used during active command mode stay on for only 10 s
or less each time they are switched on.
NOTE:
When working with two people, one should press on the brake pedal,
and the other should attempt to rotate the wheel being inspected.
CAUTION:
When replacing the DSC HU/CM with a new one, configuration
procedure must be performed before removing the DSC HU/CM. If
configuration is not completed before removing the DSC HU/CM, DTC
B2477 will be detected.
The internal parts of the ABS HU/CM could be damaged if dropped.
Be careful not to drop the ABS HU/CM. Replace the ABS HU/CM if it
is subjected to an impact.
2007 Mazda MX-5 Miata Sport
2007 BRAKES Antilock Brake System - MX-5 Miata
Microsoft
Thursday, July 09, 2009 3:16:19 PM
Page 4
© 2005 Mitchell Repair Information Company, LLC.
