DIAGNOSTIC ASSIST FUNCTION [AUDIO]

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Structural View

Button and switch location

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No.

With RDS (radio data system)

Without RDS (radio data system)
1
CLOCK button
2
LOAD button
3
FM 1 button
4
FM 2 button
5
AM button
6
CD button
7
MEDIA button
8
EJECT button
9
Preset button 1
10
Preset button 2
11
Preset button 3
12
Preset button 4
13
Preset button 5
14
Preset button 6
15
DISP/AUTO-M button
16
PTY button
—
17
SEEK/APC/TRACK switch (up or down)
18
TA button
—
19
AF button
SCAN/TRAFFIC INFORMATION button
20
POWER/VOLUME button
AUDIO CONT/TUNE/TEXT button
21
AUDIO CONT/TUNE/TEXT button
POWER/VOLUME button


LCD Inspection

1.  With the audio power on, press the POWER/VOLUME button and simultaneously press the SEEK/APC/TRACK switch (up) for approx. 1s.

2.  Inspect according to the following table:

INSPECTION

DISPLAY

ACTION
Start the LCD inspection mode.
The characters displayed on the LCD are not truncated or faint.
The LCD is normal.
Except above
Replace the audio unit.
(See CENTER PANEL UNIT REMOVAL/INSTALLATION.)
(See CENTER PANEL UNIT DISASSEMBLY/ASSEMBLY.)

3.  Turn the audio off or the ignition (F2, G6)/engine (WLT-1, WLT-2, WL-C, WE-C) 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/AUTO-M button for approx. 1s.

2.  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 speaker and tweeter*1 (LH)
2.  Front speaker and tweeter*1 (RH)
3.  Rear speaker (RH)*1
4.  Rear speaker (LH)*1
—
Yes
Speakers, and wiring harness between the audio unit and speakers are normal.
No
•  Inspect the following parts.
―  Malfunctioning speaker
―  Wiring harness between audio unit and malfunctioning speaker

3.  Turn the audio off or the ignition (F2, G6)/engine (WLT-1, WLT-2, WL-C, WE-C) switch to the LOCK position to stop the diagnostic assist function.

*1  :May or may not be equipped, depending on the vehicle.

Radio Reception Condition Inspection

1.  With the audio power on and at radio mode, press the POWER/VOLUME button and simultaneously press the Preset button 2 for approx. 1 s.

2.  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 audio 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 audio unit.

3.  Turn the audio off or the ignition (F2, G6)/engine (WLT-1, WLT-2, WL-C, WE-C) switch to the LOCK position to stop the diagnostic assist function.


Antenna control condition inspection

1.  With the audio power on and at radio mode, press the POWER/VOLUME button and simultaneously press the FM 2 button for approx. 1 s.

2.  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 the roof antenna.
Replace the audio unit.
(See CENTER PANEL UNIT REMOVAL/INSTALLATION.)
(See CENTER PANEL UNIT DISASSEMBLY/ASSEMBLY.)

3.  Turn the audio off or the ignition (F2, G6)/engine (WLT-1, WLT-2, WL-C, WE-C) switch to the LOCK position to stop the diagnostic assist function.