Mazda RX-8 Workshop Manual page 3263

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2011 - RX-8 - Body and Accessories
NO. 3 ABS WARNING LIGHT ILLUMINATES [INSTRUMENT CLUSTER]
3 ABS warning light illuminates
POSSIBLE CAUSE
Diagnostic procedure
STEP
1 Start the engine.
Does the ABS warning light turn off?
2 Are there a number of warning lights illuminated?
3 Disconnect the negative battery cable.
Measure the resistance between the DLC-2
terminals F and E.
Is the resistance below 60 ohms?
Short circuit in wiring harness between CAN-L, CAN-H and GND
ABS HU/CM or DSC HU/CM malfunction
Instrument cluster malfunction
DTC is stored in ABS HU/CM or DSC HU/CM
Connector or pin malfunction
Open circuit in CAN wiring harness (CAN-L, CAN-H)
CAN wiring harness (CAN-L, CAN-H) short each other
INSPECTION ACTION
YesTroubleshooting completed.
No Go to the next step.
YesGo to Step 5.
No Go to the next step.
YesGo to the next step.
No Go to Step 6.