Mazda RX-8 Workshop Manual page 3362

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2011 - RX-8 - Body and Accessories
NO.7 CANNOT PRESET (PRESET FUNCTION DOES NOT OPERATE) [RADIO]
7 Cannot preset (preset function does not operate)/Possible DTC: 21:Er19
POSSIBLE CAUSE
Diagnostic procedure
STEP
1 Tune to desired station and push
channel preset button 1 for about 2
seconds to store it.
Repeat above for other stations using
PRESET switch 2 to 5.
Push channel preset switch 1 to 6 one
by one.
Are stored stations present?
2 Turn ignition switch to LOCK and then
to ACC.
Check if preset stations are stored by
pushing preset switches.
Are stations stored?
3 Remove center panel from audio unit,
and reinstall center panel to audio unit.
Audio unit/car-navigation unit malfunction
Center panel (without car-navigation system) malfunction
INSPECTION ACTION
YesGo to the next step.
No Go to Step 3. (without car-navigation
system)
Replace the car-navigation unit. (with
car-navigation system)
(See CENTER PANEL UNIT
REMOVAL/INSTALLATION.)
YesThe system is normal. (Explain preset
procedure to customer using Owner's
Manual)
No Replace audio unit/car-navigation unit.
(See CENTER PANEL UNIT
REMOVAL/INSTALLATION.)
(See CENTER PANEL UNIT
DISASSEMBLY/ASSEMBLY.)
YesReplace audio unit/car-navigation unit.