Symptom Troubleshooting

Audio System Symptom Troubleshooting - Radio preset memory is lost

Radio preset memory is lost (without navigation)

NOTE:

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

1. Turn the ignition switch to ON (II).

2. Turn on the audio unit, and set each of the radio station preset buttons.

Do each of the buttons set properly?

YES -

Go to step 3.

NO -

- Except DX model: Substitute a known-good audio unit, and recheck. If the symptom/indication goes away, replace the original audio unit
- DX model: Substitute a known-good audio unit, and recheck. If the symptom/indication goes away, replace the original audio unit

3. Turn the ignition switch to LOCK (0) for 1 minute, and then back to ON (II).

4. 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 unit.

- Except DX model
- DX model

NO -

- Except DX model: Substitute a known-good audio unit, and recheck. If the symptom/indication goes away, replace the original audio unit
- DX model: Substitute a known-good audio unit, and recheck. If the symptom/indication goes away, replace the original audio unit