S4 Sedan L5-2226cc 2.22L DOHC Turbo (AAN) (1992)
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Active Check Module: Testing and Inspection
Frequency Display, Troubleshooting
When the Auto-Check system is not being used and the radio is on, the radio station frequency or the tape player in-use symbol will be displayed in the
Auto-Check display.
Example:
89.5 = Radio frequency indicator
infinity= Stereo/mono indicator
FM2.4 = Station select button indicator
TAPE = Tape operation
If frequency display dose not work
