DIAGNOSTIC ASSIST FUNCTION [AUDIO (TOUCH PANEL TYPE AUDIO)]
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Display Inspection
1. With the audio power on, press the POWER/VOLUME button and simultaneously press the DISP button for approx. 2 s or more.
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2. Input diagnosis code “01” and press the ENTER switch.
3. Inspect according to the following table:
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INSPECTION |
Information display |
ACTION |
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|---|---|---|---|
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<Information display>
Start the information display inspection mode.
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The characters displayed on the information display are not truncated or faint.
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The information display is normal.
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Except above
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Replace the base unit.
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<Audio display>
Does the display change in the following order when the audio panel screen is touched?
• Red → Green → Blue → White → Black → Color bar → Gray bar
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—
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Yes
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The display on the audio panel is normal.
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No
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Remove the audio unit.
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4. Turn the audio off or the ignition switch to the LOCK position to stop the diagnostic assist function.
Switch Inspection
1. With the audio power on, press the POWER/VOLUME button and simultaneously press the DISP button for approx. 2 s or more.
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2. Input diagnosis code “02” and press the ENTER switch.
3. Inspect according to the following table:
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Inspection |
Display |
Action |
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|---|---|---|---|
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• Launch the switch inspection mode.
• Operate all of the switches (press).
• Does the buzzer sound?
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—
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Yes
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The switch is normal.
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No
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Remove the audio unit.
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4. Turn the audio OFF or the ignition switch to the LOCK position to stop the diagnostic assist function.
Speaker Inspection
1. With the audio power on, press the POWER/VOLUME button and simultaneously press the DISP button for approx. 2 s or more.
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2. Input diagnosis code “03” and press the ENTER switch.
3. Inspect according to the following table:
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Inspection |
Display |
Action |
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|---|---|---|---|
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• Launch the speaker inspection mode.
• Does each speaker output sound in the following order?:
Without Bose®
With Bose®
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—
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Yes
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The speakers and the wiring harness between the audio unit and speakers are normal.
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No
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• If no sound is produced from all of the speakers.
• If no sound is produced from some of the speakers.
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4. Turn the audio off or the ignition switch to the LOCK position to stop the diagnostic assist function.
Radio Reception Condition Inspection
1. With the audio power on, press the POWER/VOLUME button and simultaneously press the DISP button for approx. 2 s or more.
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2. Input diagnosis code “04” and press the ENTER switch.
3. Inspect according to the following table:
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Inspection |
Display |
Action |
|---|---|---|
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Start the radio reception condition inspection mode.
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LEV-9 ↔ LEV5
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Antenna, glass antenna, antenna feeder and audio unit are normal.
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LEV-4 ↔ LEV3
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Change frequencies and re-perform the inspection.
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LEV-2 ↔ LEV0
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Inspect the antenna, glass antenna and antenna feeder.
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4. Turn the audio off or the ignition switch to the LOCK position to stop the diagnostic assist function.
Antenna control condition inspection
1. With the audio power on, press the POWER/VOLUME button and simultaneously press the DISP button for approx. 2 s or more.
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2. Input diagnosis code “05” and press the ENTER switch.
3. Inspect the antenna control condition according to the following table:
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INSPECTION |
Display |
ACTION |
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|---|---|---|---|
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Start antenna control condition inspection mode.
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ANT-ON
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Sound quality is good.
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System is okay.
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Sound quality is poor.
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Inspect following parts.
• Glass antenna
• Antenna feeder
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ANT-OFF
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Replace the AUDIO unit.
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4. Turn the audio off or the ignition switch to the LOCK position to stop the diagnostic assist function.