Radio Tuner Does Not Change Stations

Audio System Symptom Troubleshooting - Radio tuner does not change stations

Radio tuner does not change stations

NOTE:

- Check the vehicle battery condition first. Testing and Inspection
- Check the connectors for poor connections or loose terminals.
- On vehicles with navigation, the audio button operation can be checked by doing the hard key status test in the audio-navigation unit check screen. See the navigation system diagnostic mode Navigation System Diagnostic Mode.

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

2. Turn on the audio unit or audio-navigation unit, and check the audio information on the display panel.

Does the audio information display properly?

YES -

Go to step 3.

NO -

Go to audio unit power switch will not turn on (no information display and no sound)

- with navigation Audio Unit Power Switch Will Not Turn On (No Information Display And No Sound) (With Navigation).�
- without navigation Audio Unit Power Switch Will Not Turn On (No Information Display And No Sound) (Without Navigation).�

3. Change the radio station using the tuning knob.

Does the radio station change?

YES -

Intermittent failure: the tuning knob is OK at this time.�

NO -

- With navigation: Replace audio-navigation unit Audio-Navigation Unit Removal/Installation.�
- Without navigation: Replace audio unit Audio Unit Removal/Installation (Without Navigation).�