Mazda RX-8 Manual page 1486

PRECAUTION
Vehicle with ABS
1. Any one or a combination of the ABS warning and BRAKE system warning lights illuminate even when
the system is normal.
Warning lights that
may illuminate and/or
flash
Any or all the
following lights
illuminate:
ABS
•
warning light
BRAKE
•
system warning
*1
light ( )
All the following lights
illuminate:
ABS
•
warning light
BRAKE
•
system warning
light
*
2. 1
3. The light will illuminate only when ABS HU/CM detects that a rear wheel-speed sensor is
malfunctioning.
*
4. 2
Condition under which the
light may illuminate
Under any of the following
conditions:
When the
•
front wheels are
jacked up, stuck, or
placed on a chassis
roller, and only the
front wheel ABS
wheel speed sensors
are spun for 20 s or
more .
Parking brake is not fully
released while driving.
Brake drag.
Sudden
acceleration/deceleration.
Left/right or front/rear tires
are different. (Size, radius,
tire pressure, or wear is
other than that listed on tire
label.)
Battery voltage at ABS
HU/CM ignition terminal Z
drops below approx. 9 to 10
*2
V. ( )
Conditions
under which
ABS, EBD control
the light will
go out
•
control.
•
After turning
ignition
switch off,
vehicle is
driven at
speed greater
than 10 km/h
{6.2 mph}
and normal
operation is
confirmed.
Battery
voltage rises
above
approx. 10 V.
ABS: Enables control.
(Only
EBD: Enables control.
BRAKE
system
warning light
goes out.)
ABS: Disables
EBD:
1. Disable
control, in cases
where the light
may illuminate,
only when ABS
HU/CM detects
that wheel speed
sensors determine
that two or more
rear wheels are
malfunctioning.
2. Enables
control, if wheel
speed sensors
determine that
three or more
wheels are
functioning
correctly.
(w) RX8 - Brakes
Page 72