Mazda RX-8 Workshop Manual page 1618

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2011 - RX-8 - Brakes
DTC C1093 [DYNAMIC STABILITY CONTROL (DSC)]
DTC C1093
DETECTION
CONDITION
FAIL-SAFE
POSSIBLE CAUSE
DSC OFF switch system
Continuous ON signal from the DSC OFF switch for 5 s or more is detected.
Inhibits TCS control and DSC control, and illuminates DSC indicator light and DSC OFF
indicator light.
Short to ground in the wiring harness between the DSC HU/CM terminal P and the DSC
OFF switch terminal C
DSC OFF switch malfunction
The driver pressed and held the DSC OFF switch for 5 s or more.
DSC HU/CM malfunction