NO.5 CANNOT PRESET (PRESET FUNCTION DOES NOT OPERATE) [RADIO]

id0903e3804700

5 | Cannot preset (preset function does not operate)
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Possible DTC | —
Possible cause | • Audio unit malfunction • Audio panel malfunction

Diagnostic procedure

STEP | INSPECTION | ACTION
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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? | Yes | Go to the next step.
No | Go to Step 3.
2 | • Turn the ignition switch to the OFF position and then to ACC. • Check if preset stations are stored by pushing preset switches. • Are stations stored? | Yes | The system is normal. (Explain preset procedure to customer using Owner’s Manual)
No | Replace audio unit. (See AUDIO UNIT REMOVAL/INSTALLATION.)
3 | • Press the POWER/VOLUME switch to turn the audio on. • Press the POWER/VOLUME switch and SEEK switch (up) simultaneously to launch the diagnostic assist function. • Input the diagnostic assist code "02" using the diagnostic input screen. • Select "ENTER". • Push all switches and check if buzzer sounds. • Is all switches okay? | Yes | The system is normal. (Explain preset procedure to customer using Owner’s Manual)
No | Replace audio unit. (See AUDIO UNIT REMOVAL/INSTALLATION.)