Initial Inspection and Diagnostic Overview
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 PUSH PWR knob to on. Release the buttons and the self-diagnostic function begins.
3. By pressing a preset button, the input will trigger the diagnostic mode that is assigned to that preset switch.
No. 2 button
Audio button, knob, and remote switch detection: Allows individual manual selection of all audio panel knobs, buttons, and remote switches to verify if they are functional. When properly detected, the applied knob button, or remote switch name and/or value is displayed. To exit this mode, go to step 4.
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
Illumination level indication mode: Indicates the duty cycle for the illumination dimmer control of the gauge assembly.
Gauge dimmer control values:
Headlights off: OFF
Headlights on: 01 (max low) through 22 (max high)
No. 5 button
Vehicle speed pulse indication mode: Indicates the Vehicle speed pulse.
AM/FM or FM button (Push and hold 5 sec.)
Reception level check mode: Indicates the reception level. When entering the reception level check mode, the AM/FM 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 after the power has been disconnected once and reconnected to the audio unit, and the audio-HVAC display displays CODE. With the audio unit switched off, push and hold the preset button No. 1, No. 6 and the VOL PUSH PWR 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
Without Navigation
To check the AM or FM reception, press and hold the applicable band button for 5 seconds, then release. The reception level is displayed in decibels (db). You can check the reception with or without the amplifier. Press the A. SEL button to toggle between turning the amplifier on and off. The amplifier is on when the letter A appears next to the db indication. You can change the station with the tuner button to check the reception level of any specific radio station. Compare this value with a known-good vehicle to check the audio unit reception.
With Navigation
To check the FM reception, press and hold the AM/FM button for 5 seconds, then release. To check the AM band, press and hold the AM/FM button for another five seconds, then release. The reception level is displayed in decibels (db). You can check the reception with or without the amplifier. Press the A. SEL button to toggle between turning the amplifier on and off. The amplifier is on when the letter A appears next to the db indication. You can change the station with the tuner button to check the reception level of any specific radio station. Compare this value with a known-good vehicle to check the audio unit reception.
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.
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 PUSH PWR knob to on. Release the buttons and the speaker check mode begins. A tone test should sound from one speaker.
NOTE: Make sure the volume is set to a normal or slightly 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 speaker in the order listed.
Display Specifications
*: With Premium Audio System
4. The speaker check mode ends when you turn the audio unit off or turn the ignition switch to LOCK (0).
NOTE: Any other diagnostic screens are shown for factory use only.
Active Noise Cancellation (ANC) System 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.
- Only perform this test when you are guided from a troubleshooting procedure.
- The ANC function is not supported for 1 CD type.
- To restart the ANC check mode, turn the ignition switch to LOCK (0), then enter the check mode.
1. Turn the ignition switch to ON (II).
NOTE: Make sure the audio system is turned off.
2. Push and hold the No. 1 and No. 6 buttons. While holding the buttons, push the VOL PUSH PWR knob to ON.
3. Press the No. 1 button, the active noise cancellation (ANC) system check mode begins.
How to check the active noise cancellation system in this check mode
- While in this system check mode, press the No. 1 button to move to the next test item.
- You must remember how many times you pressed the No. 1 button. The system will not show which test item you are doing.
- For test items 1st to 10th, the speaker will make a low-frequency hum (50 Hz) when the system is normal for more than 5 seconds up to 1 minute.
- When there is a failure in the system, the speaker will not make a low-frequency hum (50 Hz) or the hum will stop within 5 seconds for test items 1st to 10th.
- The check mode will be automatically cancelled when the time reaches 1 minute after the starting each test items.
- When you once reach to test item 11th, the test will loop ON and OFF in test item 11th.
- This check mode ends when you start the engine (ignition switch in start (III) or turn the ignition switch to LOCK (0)), because the power to the audio system will be cut off.
- If you need to check test item 2nd, 7th and/or 11th, start the check mode with the engine idling. Other test items are available with the engine idling or stopped.
4. The self-diagnostic function ends when the audio system is turned off, or the ignition switch is turned to LOCK (0).
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.
2. Push and hold the No. 1 and No. 6 buttons. While holding the buttons, push the VOL PUSH PWR knob to on. Release the buttons.
3. Press the No. 6 button, and the communication connection check mode begins.
4. Each time you press the No. 6 button, the communication connection state is displayed in the following order.
NOTE: If the audio-HVAC subdisplay or the audio-HVAC display is blank in all headlight positions, or blank only when the headlights are turned on, check for B-CAN DTCs.
Display Specifications (With navigation)
Display Specifications (Without navigation (Premium, 6 CD, 1 CD))
NOTE: Any other diagnostic screens are shown for the manufacturer's purpose only.
5. The self-diagnostic function ends when you turn the audio unit off or turn the ignition switch to LOCK (0).
