Mazda RX-8 Workshop Manual page 1681

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2011 - RX-8 - Brakes
NO.1 NEITHER ABS WARNING LIGHT NOR BRAKE SYSTEM WARNING LIGHT
ILLUMINATE WHEN THE IGNITION SWITCH IS TURNED TO THE ON POSITION
[ABS]
ABS warning light and BRAKE system warning light do not
1
illuminate when the ignition switch is turned to ON position.
[TROUBLESHOOTING HINTS]
Malfunction of instrument cluster or ABS HU/CM
Improper configuration (instrument cluster)
STEP
VERIFY WHETHER MALFUNCTION IS IN COMMON POWER
1 SUPPLY OF WARNING LIGHTS AND INDICATOR LIGHTS, OR
IN OTHER WARNING LIGHTS AND INDICATOR LIGHTS
Do other warning and indicator lights illuminate when
the ignition switch is turned to the ON position?
INSPECT INSTRUMENT CLUSTER POWER SUPPLY FUSE
2
Is the instrument cluster ignition power supply fuse
normal?
VERIFY WHETHER MALFUNCTION IS IN WIRING HARNESS
(INSPECT FOR CONTINUITY BETWEEN INSTRUMENT CLUSTER
*
3
POWER SUPPLY AND INSTRUMENT CLUSTER) OR
INSTRUMENT CLUSTER
Turn ignition switch to ON position.
INSPECTION ACTION
YesGo to step 4.
No Go to the next step.
YesGo to the next step.
No Inspect for a short to
ground on circuit of blown
fuse.
Repair or replace if
necessary.
Install appropriate
amperage fuse.
YesReplace the instrument
cluster (open circuit in
instrument cluster).
(See INSTRUMENT