How to Use the Audio System Self-Diagnostic Function
How to Troubleshoot the Audio System
The audio system has a self-diagnostic function.
NOTE:
- Not all self-diagnostic functions appear on all models.
- There may be other self-diagnostic functions that are for factory use only.
How to Use the Audio System Self-diagnostic Function
1. Turn the ignition switch to ON (II). Turn the audio unit off.
2. Push and hold the No. 1 and No. 6 buttons. While holding the buttons, push the VOL knob to on. Release the buttons and the self-diagnostic function begins.
3. By pressing a preset button, the input starts the diagnostic mode that is assigned to that preset button.
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.
FM/AM or FM button (Push and hold 5 sec.)
Reception level check mode: Indicates the reception level. When entering the reception level check mode, the FM/AM button or FM button is used to change the main/sub antenna.
How to Obtain the Audio Unit Serial Number
NOTE: This procedure can only be done when the power has been disconnected from the audio unit, and it displays CODE. With the audio unit switched off, push and hold the preset buttons No. 1, No. 6 and the VOL knob, then release. The audio unit displays the eight digit serial number (example 12345678). Use the eight digit serial number when using the interactive network (iN) to get the 5 digit anti-theft codes.
Serial Number
4. The self-diagnostic function ends when you turn the audio unit off or turn the ignition switch to LOCK (0).
NOTE: Any other diagnostic screens shown are for factory use only.
Display Specifications
Reception level indication (Push and hold 5 sec. AM/FM button)
This diagnostic screen checks the radio reception level. This level then can used in the diagnosis of radio reception quality. The reception level is displayed in decibels (dB).
Preparation:
- Park the vehicle outdoors in a location with good radio reception.
- Tune to a powerful local FM radio station, then write down the radio station number.
- Tune to a powerful local AM radio station, then write down the radio station number.
1. Enter the reception level indication mode in the self-diagnostic function.
2. Tune to the FM radio station you wrote down in preparation using the TUNE button (with navigation system) or selector knob (without navigation system), and note the decibel level (A) of that station.
3. Press and release the A.SEL button to turn the AM/FM antenna amplifier off.
4. Note the decibel level of that station.
5. Press and release the A.SEL button to turn the AM/FM antenna amplifier back on.
6. Press and hold the FM/AM button (with navigation system) or AM button (without navigation system) for more than 5 seconds to enter the AM reception mode.
7. Tune to the AM radio station you wrote down in preparation using the TUNE button (with navigation system) or selector knob (without navigation system), and note the decibel level of that station.
8. Press and release the A.SEL button to turn the antenna amplifier off.
9. Note the decibel level of that station.
10. Turn the ignition switch to LOCK (0) or audio system off to exit the test mode.
11. Compare your results to a known-good vehicle, (make sure it is the same year and trim level) in the same location and direction, and under the same environmental conditions.
Speaker 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.
- In some cases, you may not be able to enter a mode even if the designated button is pressed. In that case, try again.
1. Turn the ignition switch to ON (II). Turn the audio unit off.
2. Push and hold the No. 1 and No. 3 buttons. While holding the buttons, push the VOL knob twice, and the speaker check mode begins. Release the buttons. The received audio from the FM default frequency is heard from one speaker.
NOTE: Make sure the volume is set to a normal or sightly higher than normal volume and set the balance and fader to the center position.
3. Each time you press the SKIP button, the test moves to the next the speaker in the order listed.
Display Specifications
With Navigation System
Without Navigation System
NOTE: Any other diagnostic screens are shown for factory use only.
4. The speaker check mode ends when you turn the audio unit off or turn the ignition switch to LOCK (0).
