Radio tuner does not change stations
NOTE:
- Check the vehicle battery condition first (see 12 VOLT 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, go to AUDIO REMOTE SWITCH DOES NOT WORK PROPERLY (with navigation) , (without navigation) (see AUDIO REMOTE SWITCH DOES NOT WORK PROPERLY (WITHOUT NAVIGATION) ).
- Check the audio information on the display panel.
Does the audio information display properly?
YES -Go to step 2.
NO -
- With navigation: Go to AUDIO-NAVIGATION UNIT POWER SWITCH WILL NOT TURN ON .
- Without navigation: Go to AUDIO UNIT POWER SWITCH WILL NOT TURN ON .
- Operate the tuning buttons to see if the radio station changes.
Does the radio station change?
YES -Intermittent failure, the tuning buttons are OK at this time.
NO -
- With navigation: Substitute a known-good audio-navigation unit (see AUDIO-NAVIGATION UNIT REMOVAL/INSTALLATION ), and recheck. If the symptom/indication goes away, replace the original audio-navigation unit (see AUDIO-NAVIGATION UNIT REMOVAL/INSTALLATION ).
- Without navigation: Substitute a known-good audio unit (see AUDIO UNIT REMOVAL/INSTALLATION ), and recheck. If the symptom/indication goes away, replace the original audio unit (see AUDIO UNIT REMOVAL/INSTALLATION ).