Initial Inspection and Diagnostic Overview

Self-diagnostic Function

The audio system has a self-diagnostic function. To run the self-diagnostic function, do the following:

How to check for audio system condition

NOTE: The audio unit must not be in the code enter screen before performing the self-diagnostic function.

1. Turn the ignition switch to ACCESSORY (I) or ON (II).
2. Turn OFF the audio unit.
3. Push and hold the No. 1 and No. 6 buttons. While holding the buttons, push the VOL/PWR knob (A) to ON. Release the buttons and the self-diagnostic function begins.






4. By pressing a preset button, the input will trigger the diagnostic mode that is assigned to that preset switch.

No. 3 button
Entire LCD lighting/light-out mode: Turns on/off the entire LCD to show the presence or absence of an LCD failure.

No. 4 button
Duty (for the Illumination dim) indication mode: Indicates the duty for the Illumination dim.

No. 5 button
Vehicle speed pulse indication mode: Indicates the vehicle speed pulse.

FM button (Push and hold 5 sec.)
Reception level check mode: Indicates the reception level.

5. The self-diagnostic function will end when the audio unit, or the ignition switch is turned to LOCK (0).






6. Turn OFF the audio unit.
7. Push and hold the No. 1 and No. 3 buttons. While holding the buttons, push the VOL/PWR knob (A) to ON. Release the buttons and the speaker check mode will begin. A low-frequency hum should sound from one speaker. If no sound is heard, check the volume level before proceeding. Change the test speaker by pressing the SEEK/SKIP button. If no sound comes from the speaker(s), check the speaker and harness.






NOTE: Any other diagnostic screens shown are for the audio manufactures use only.

8. The self-diagnostic function ends when the audio unit is turned off, or the ignition switch is turned to LOCK (0).

How to Obtain the Audio Unit Serial Number

NOTE: You can only do this procedure when the power has been disconnected from the audio unit, and the audio unit displays CODE. Turn the ignition switch to ON (II), and the audio unit switched off, push and hold the preset buttons No. 1, No. 6, then turn on the audio unit.

The audio unit displays the eight digits of the serial number (example 12345678). Use all eight digits as the serial number when using the interactive network iN to get the 5 digit anti-theft code.