Audio Unit Self-Diagnostic Mode

AUDIO UNIT SELF-DIAGNOSTIC MODE - ALL AUDIO UNITS WITHOUT NAVIGATION

NOTE: To enter the audio unit self-diagnostic mode, the audio unit must be turned on and in radio tuner mode (AM/FM).

1. To enter the following tests, press the desired preset button while in the speaker walk-around test or while in the audio unit self-diagnostic mode.
2. The self-diagnostic mode has the following functions available:
- Preset button 1 = On-Demand Self-Test. This button runs the on-demand self-test.
- Pressing the MENU DOWN button allows scrolling of any DTCs found during the test while in this menu.

- Preset button 2 = Display Continuous DTCs. This button enables viewing of any continuous DTCs that have been logged.
- Pressing the MENU UP button allows scrolling of any DTCs while in this menu.
- While continuous DTCs are being displayed, pressing the EJECT button will clear all present DTCs.

- Preset button 3 = Signal Strength Test. This button displays the signal strength.
- Preset button 4 = Software Version Display. This button displays the audio unit software version.
- Pressing the MENU UP button allows scrolling of all audio subsystem software versions while in this menu.

- Preset button 5 = Display Test. This test illuminates all the display segments for 5 seconds, then turns all segments off.
- Preset button 6 = Configuration Status. This button enables audio unit configuration status.
- Pressing the MENU button displays the ACM part number while in this menu.

3. To exit the self-diagnostic mode, turn the audio unit off or turn the key OFF.
4. If the concern remains and the fault is not detected, GO to Symptom Chart to continue diagnostics. Symptom Related Diagnostic Procedures

Audio Unit Self-Diagnostic Mode - Navigation Audio Unit

Bezel Diagnostics:

1. To enter the self-diagnostic mode, press "End Test" during the speaker walk-around test.
2. The following diagnostic modes are available using the on-screen buttons:
- "On Demand Self Test" - provides internal self-test diagnostics and displays all the DTCs resulting from the self-test.
- "View DTC's" - provides a list of all the DTCs currently stored in memory.
- "Configuration Status" - displays the current unit configuration.
- "System Info" - provides the navigation module part number and software information.
- "GPS Info" - provides satellite information and vehicle current information.
- "Speaker Walk Test" - carries out a speaker walk-around test.
- "Multi-disc Test" - carries out a test of the CD player mechanism.
- "Display Test" - allows the screen colors to be checked, and allows individual touch sectors of the display screen to be tested.
- "Hardkey Test" - checks the operation of any audio unit button.
- "Radio Signal Strength" - carries out a test of the AM/FM antenna signal.

3. To exit the self-diagnostic mode, turn the audio unit off, turn the key to OFF, or press Exit Diagnostics.
4. If the concern remains and the fault is not detected, GO to Symptom Chart. Symptom Related Diagnostic Procedures