( TL19E00J10300013151BBAT00 )

Audio System Self-diagnostic Function

Communication Connection Check Mode
NOTE:

- Not all self-diagnostic functions appear on all models.
- There may be other self-diagnostic functions that are for factory use only.

1. Turn the ignition switch to ON (II). Turn the audio unit off.

1. Push and hold the No. 1 and No. 6 buttons. While holding the buttons, push the VOL knob to on. Release the buttons.

1. Press the No. 6 button, and the communication connection check mode begins.

1. Each time you press the No. 6 button, the communication connection state is displayed in the following order.
   NOTE: If the switch panel display or the center display is blank in all headlight positions, or blank only when the headlights are tuned on, check for B-CAN DTCs.
   Display Specifications (With navigation system)

   Displayed Segments | State | Remarks
   --- | --- | ---
   DSP OK | The audio-HVAC subdisplay unit or the audio-HVAC display unit is connected. |
   DSP NG | The audio-HVAC subdisplay unit or the audio-HVAC display unit is not connected. |
   AC OK | The climate control unit is connected. |
   AC NG | The climate control unit is not connected. |
   AMP OK 00 | The stereo amplifier is connected. | Applicable to the premium audio system
   AMP OK 04 | The stereo amplifier is connected (Error has occurred four times in the past). | Applicable to the premium audio system
   AMP NG | The stereo amplifier is not connected. | Applicable to the premium audio system

   Display Specifications (Without navigation system)

   Displayed Segments | State | Remarks
   --- | --- | ---
   02 183 | The navigation unit is not connected. |
   ANT ——— | The antenna amplifier is connected. |
   ANT CHK | The antenna amplifier is not connected. |
   AMP ——— | The stereo amplifier is connected. | Applicable to the premium audio system.
   AMP CHK | The stereo amplifier is not connected. | Applicable to the premium audio system.
   AMP 0100 | The stereo amplifier is connected. | Applicable to the premium audio system.
   AMP NG 04 | The stereo amplifier is not connected (error has occurred four times in the past). | Applicable to the premium audio system.
   AC OK | The climate control unit is connected. |
   AC NG | The climate control unit is not connected. |
   CMP OK | The electrical compass unit is connected. | Applicable to the premium audio system.
   CMP NG | The electrical compass unit is not connected. | Applicable to the premium audio system.
   LCD 0100 | The audio-HVAC display unit is connected. |
   LCD NG | The audio-HVAC display unit is not connected. |

   NOTE: Any other diagnostic screens are shown for the manufacturer's purpose only.

1. The self-diagnostic function ends when you turn the audio unit off or turn the ignition switch to LOCK (0).