DIAGNOSTIC ASSIST FUNCTION [AUDIO (TOUCH PANEL TYPE AUDIO)]

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Structural View

Buttons

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1	LOAD/EJECT button
2	INFO button
3	CLOCK button
4	H button
5	M button
6	DISP button
7	SCAN button
8	POWER button
9	TUNE/SEEK/TRACK button (up)
10	TUNE/SEEK/TRACK button (down)
11	FM1/2 button
12	AM button
13	CD button
14	MEDIA button

Display Inspection

1.  With the audio power on, press the POWER button and simultaneously press the DISP button for approx. 2 s or more.

2.  Input diagnosis code “01” and press the ENTER button.

3.  Inspect according to the following table:

INSPECTION	DISPLAY	ACTION
<Information display> Start the information display inspection mode.		The characters displayed on the information display are not truncated or faint.	The information display is normal.
		Except above	Replace the base unit.
<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	—	Yes	The display on the audio panel is normal.
		No	Replace the audio unit.

4.  Turn the audio off or the ignition switch to the LOCK position to stop the diagnostic assist function.

Speaker Inspection

With Bose^®

1.  Refer to “SPEAKER CONNECTION INSPECTION [WITH Bose®]”.

Without Bose^®

1.  With the audio power on, press the POWER button and simultaneously press the DISP button for approx. 2 s.

2.  Input diagnosis code “03” and press the ENTER button.

3.  Inspect according to the following table:

INSPECTION	DISPLAY	ACTION
•  Start the speaker inspection mode. •  Does each speaker output sound in the following order? 1.  Front door speaker (LH) and tweeter (LH) 2.  Front door speaker (RH) and tweeter (RH) 3.  Rear door speaker (RH) 4.  Rear door speaker (LH)	—	Yes	Speakers, and wiring harness between the base unit and speakers are normal.
		No	•  Inspect the following parts. ―  Malfunctioning speaker ―  Wiring harness between base unit and malfunctioning speaker

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 button and simultaneously press the DISP button for approx. 2 s.

2.  Input diagnosis code “04” and press the ENTER button.

3.  Inspect according to the following table:

Caution

•  Even if the system is normal, radio reception may be difficult depending on where the system is inspected (indoors/outdoors, or conditions at the location). Before inspecting the system, verify that radio reception is adequate.

•  When inspecting, select a frequency band (radio station) with the best reception.

INSPECTION	DISPLAY	ACTION
Start the radio reception condition inspection mode.		Antenna, antenna feeder and base unit are normal.
		Change the frequency (radio station) and inspect again.
		Inspect the antenna and antenna feeder. •  If either the antenna or the antenna feeder is not normal, replace the malfunctioning part. •  If the antenna and antenna feeder are normal, replace the base unit.

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 button and simultaneously press the DISP button for approx. 2 s.

2.  Input diagnosis code “05” and press the ENTER button.

3.  Inspect the antenna control condition according to the following table:

INSPECTION	DISPLAY	ACTION
Start antenna control condition inspection mode.		Sound quality is good.	System is okay.
		Sound quality is poor.	Inspect following parts. •  Glass antenna •  Antenna feeder
		Replace the base unit.

4.  Turn the audio off or the ignition switch to the LOCK position to stop the diagnostic assist function.