Mazda RX-8 Workshop Manual page 1615

Diagnostic procedure
STEP INSPECTION
INSPECT BRAKE PEDAL POSITION
1 SIGNAL INPUT TO DSC HU/CM USING M-
MDS
Connect the M-MDS to the
DLC-2.
Select the "BOO_ABS" PID
and verify that the display is
switched as follows according
to the brake pedal condition:
YesGo to Step 6.
Brake pedal
depressed:
On
No Go to the next step.
ACTION