Mazda RX-8 Workshop Manual page 1781

3. Set up an active command mode inspection according to the combination of commands
below.
Operation condition
Brake pressure
retention
Brake pressure
reduction
The chart above shows an example of a right front wheel inspection.
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.
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).
Command name
PMP_MOTORRF_OUTLETRF_INLETABS_POWER
OFF OFF
ON ON
ON ON
ON ON
Command transmission
type
Manual