Speaker Walk-Around Test and Self-Diagnostic Mode (AM/FM Dual Media Radio)

The self-diagnostic mode can only be entered while in the speaker walk-around test.

1. To enter the speaker walk-around test, depress preset buttons 3 and 6 simultaneously and then release.
2. The speaker walk-around test stops at each speaker and applies tone to each speaker for about 1-2 seconds. Each speaker is tested and shown on the display in the following sequence: RF, LF, LR, RR.
3. To exit speaker walk-around test turn the ignition key OFF, turn the audio unit OFF, or preset button 1 for "DIA."
   NOTE:

   • Always DOCUMENT, CLEAR, and CARRY OUT the self test again.
4. The Self-Diagnostic Mode has six manual tests available:
   • Preset button 1 = ENTER DIAGNOSTICS. This test enters diagnostics from the speaker walk-around test. Metrics are available with SEL and ON buttons indicating time played in AM/FM, media, number of buttons pressed, etc.
   • Preset button 2 = EEPROM BLOCK STATUS. This test shows validity of memory to calibrate clock and seek sensitivity.
   • Preset button 3 = EXIT DIAGNOSTICS.
   • Preset button 4 = Software configuration level. This test queries each radio system controller for its software configuration level.
   • Preset button 5 = DISPLAY TEST. This test lights all the display segments for five seconds and then turns all segments off.
   • Preset button 6 = RAM CONTENTS READOUT. To enter these tests, depress preset button 1 while in the speaker walk-around test, then the desired preset button.
5. To exit the self-diagnostic mode, turn the ignition switch OFF or the audio unit OFF.
6. If the concern remains and the fault is not detected, proceed to the symptom troubleshooting chart to continue diagnostics.