DTC 09:ER22
DTC 09:Er22 Base unit (peripheral circuit for tuner)
DETECTION CONDITION
• Base unit detects malfunction in inner circuit (related to tuner).
POSSIBLE CAUSE
• Base unit malfunction
Diagnostic procedure
INSPECTION ACTION
Yes
Replace the base unit. (See AUDIO UNIT
DISASSEMBLY/ASSEMBLY .)
Clear the DTC and operate the radio for
3 s or more .
Is DTC 09: Er22 indicated?
No DTC troubleshooting completed.
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