How to Troubleshoot the Audio System
How to Troubleshoot the Audio System
The audio system has a self-diagnostic function. To run the self-diagnostic function, do the following:
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 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. 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
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.
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.
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 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, 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 code.
Serial Number
Display Specifications
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 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 sightly higher than normal volume and set the balance and fader to the center position.
3. Each time you press the SEEK/SKIP button, the test moves to the next speaker in the order listed.
Display Specifications
NOTE: Any other diagnostic screens are shown for factory use only.
*: With ELS Audio System
4. The speaker check mode ends when you turn the audio unit off, or turn the ignition switch 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 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
NOTE: Any other diagnostic screens shown are for factory use only.
5. The self-diagnostic function ends when you turn the audio unit, or the ignition switch to LOCK (0).
