Symptom Troubleshooting

Audio System Symptom Troubleshooting - Radio tuner does not change stations

Radio tuner does not change stations

NOTE:

- Check the vehicle battery condition first Battery Test.
- Check the connectors for poor connections or loose terminals.
- If the radio tuner does not change stations with the audio remote switch on the steering wheel, see Audio remote switch does not work properly troubleshooting.

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

2. Turn on the audio 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) troubleshooting Audio Unit Power Switch Will Not Turn On (No Information Display and No Sound).

3. Operate the tuning knob to see if the radio station changes.

Does the radio station change?

YES -

Intermittent failure, the tuning knob is OK at this time.

NO -

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.