Mazda RX-8 Workshop Manual page 3270

3 Are there a number of warning lights illuminated?
4 Does the brake fluid need replenishment?
5 Disconnect the negative battery cable.
Measure the resistance between the DLC-2
terminals F and E.
Is the resistance below 60 ohms?
6 Inspect DLC-2 terminals F and E for followings:
Is there any malfunction?
7 Connect the M-MDS to DLC-2.
Retrieve the on-demand and continuous memory
DTC from ABS HU/CM or DSC HU/CM.
Is there any DTC displayed?
8 Turn the ignition switch off.
Inspect the instrument cluster connector
terminals for poor connection (such as
damaged/pulled-out pins, and corrosion).
Are the terminals normal?
Short circuit between terminals
F and E
Short to power supply
Short to GND
No Go to the next step.
YesGo to Step 6.
No Go to the next step.
YesAdd brake fluid.
No Go to the next step.
YesGo to the next step.
No Go to Step 7.
YesInspect the wiring harness and
CAN system-related module.
Repair or replace the
malfunctioning part.
No Replace the instrument cluster.
YesPerform the appropriate DTC
troubleshooting procedure.
(See ON-BOARD DIAGNOSIS
[ABS].)
ON-BOARD DIAGNOSIS
(See
[DYNAMIC STABILITY
CONTROL (DSC)].)
No Go to the next step
YesGo to the next step.
No Repair or replace the terminal.