Mazda RX-8 Workshop Manual page 3089

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2011 - RX-8 - Body and Accessories
DTC U2023 [INSTRUMENT CLUSTER]
DTC U2023
DETECTION CONDITION
POSSIBLE CAUSE
Diagnostic procedure
STEP
INSPECT FOR PCM AND KEYLESS CONTROL
1
MODULE MALFUNCTION
Turn the ignition switch to LOCK
position.
Using the M-MDS, perform the DTC
inspection for the PCM and keyless
control module.
(See
TEST
(See
KEYLESS ENTRY AND START
SYSTEM].)
Are any DTCs detected?
VERIFY THAT THE SAME DTC IS NOT
2
PRESENT
Clear the DTCs from the memory.
Correct data cannot be received from other module
Correct data cannot be received from PCM
Correct data cannot be received from keyless control module
PCM malfunction
Keyless control module malfunction
Instrument cluster malfunction
INSPECTION
ON-BOARD DIAGNOSTIC
[13B-MSP].)
DTC INSPECTION [ADVANCED
YesGo to applicable DTC inspection.
(See DTC TABLE
(See DTC TABLE [ADVANCED KEYLESS ENTRY
AND START SYSTEM].)
No Go to the next step.
YesRepeat the inspection from Step 1.
If the malfunction recurs, replace the PCM or
ACTION
[13B-MSP].)