Initial Inspection and Diagnostic Overview
Self-diagnostic FunctionWithout Navigation
The audio system has a self-diagnostic function. To run the self-diagnostic function, do the following:
How to check for audio system condition
1. Turn the ignition switch to 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 push PWR knob (A) to ON. Release the buttons and the self-diagnostic function begins.
4. By pressing a preset button, the input triggers 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 segment 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 FM signal reception level. When entering the reception level check mode.
CD button (Push and hold 5 sec.)
DRAM residual quantity indication mode: Indicates the DRAM residual quantity.
5. The self-diagnostic function ends when the audio unit is turned off, or the ignition switch is turned to LOCK (0).
NOTE: Any other diagnostic screens shown are for the audio manufactures purpose only.
How to obtain the audio unit serial number
NOTE: This procedure can only when the power has been disconnected from the audio unit, and the audio unit displays CODE.
With the audio unit switched off, push and hold the preset buttons No. 1, No. 6 and the PWR knob.
The audio unit will display the letter 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.
Speaker check mode
6. Turn off the audio unit.
7. Push and hold the No. 1 and No. 3 buttons. While holding the buttons, push the VOL push PWR knob to ON. Release the buttons and the speaker check mode begins. Low-Frequency hum should sound for one speaker. Change the test speaker by push the SKIP button. If you find a speaker(s) with no sound, check the speaker and harness connections. It the connections are good, replace the speaker and retest.
8. The self-diagnostic function ends when you turn the audio unit off, or turn the ignition switch to LOCK (0).