Mazda RX-8 Manual page 2125

Turn the panel light control switch toward dark
2
until a click is heard.(Dimmer switch ON)
DATA MONITORING AND RECORDING PROCEDURE
1. Connect the WDS or equivalent to the diagnostic connector 2 (16-pin).
2. Verify the data monitor items.
Indication Item Table
Monitor item Input-output signal/part name Unit/State
CCNT_HE DTC
ECT_GAUGE Water temperature gauge
FUEL Fuel flow rate
ODO COUNT Odometer
OPSC Oil pressure gauge
SPEEDSG Speedometer
rpm Tachometer
Verify that the voltage of the instrument
cluster terminal 2U is 1.0V or less .
Input signal to the instrument cluster is
normal.
Number of continuous DTCs 
°F °C
l/min
m

mph km/h
rpm
If the voltage is as specified,
•
replace the instrument cluster.
If the voltage is not as specified,
•
inspect the following parts:
Panel light control switch
Wiring harness
(Batterypanel light
control
switchinstrument
cluster)
Terminal
1J, 1L
(w) RX-8 Body
Page 407