Radio Preset Memory Is Lost

Audio System Symptom Troubleshooting - Radio preset memory is lost

Radio preset memory is lost

NOTE:

- Check the vehicle battery condition first 12 Volt Battery Test.
- Check the connectors for poor connections or loose terminals.

1. Set each of the radio station preset buttons.

Do each of the buttons set properly?

YES -

Go to step 2.

NO -

- With navigation: Substitute a known-good audio-navigation unit Audio-Navigation Unit Removal/Installation, and recheck. If the symptom/indication goes away, replace the original audio-navigation unit Audio-Navigation Unit Removal/Installation.
- Without navigation: Substitute a known-good audio unit Audio Unit Removal / Installation, and recheck. If the symptom/indication goes away, replace the original audio unit Audio Unit Removal / Installation.

2. Turn the ignition switch to LOCK (0) for 1 minute, then turn it back to ON (II).

3. Test the preset buttons for proper recall operation.

Do the preset buttons recall the set radio stations?

YES -

System is normal at this time. If the problem recurs, replace the audio-navigation unit Audio-Navigation Unit Removal/Installation or the audio unit Audio Unit Removal / Installation.

NO -

- With navigation: Substitute a known-good audio-navigation unit Audio-Navigation Unit Removal/Installation, and recheck. If the symptom/indication goes away, replace the original audio-navigation unit Audio-Navigation Unit Removal/Installation.
- Without navigation: Substitute a known-good audio unit Audio Unit Removal / Installation, and recheck. If the symptom/indication goes away, replace the original audio unit Audio Unit Removal / Installation.