Mazda RX-8 Workshop Manual page 3319

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2011 - RX-8 - Body and Accessories
NO.9 AUDIO SYSTEM ILLUMINATION DOES NOT ILLUMINATE AT ALL [AUDIO]
9 Audio system illumination does not illuminate at all
Possible DTC 09:Er20, 21:Er19
POSSIBLE CAUSE
Diagnostic procedure
STEP
1 Are all illumination on the audio unit
turned OFF?
2 Turn the ignition switch to the LOCK
position.
Inspect the fuse (ILLUMI).
Is the fuse normal?
3 Turn the ignition switch to the LOCK
position.
Disconnect the audio unit connector
(24-pin) and inspect the continuity
between the audio unit/car-
Burnt fuse (TNS signal)
Open or short circuit in TNS signal wiring harness
Poor connection of audio unit connector, terminal damage
Audio unit malfunction
Car-navigation unit malfunction
INSPECTION
YesGo to the next step.
No Replace the center panel.
YesGo to Step 4.
No Go to the next step.
YesRepair or replace the short circuit in the
suspect wiring harness. After repair the
harness, replace with the appropriate
standard fuse.
ACTION