Radio Tuner Does Not Change Stations

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.

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. 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