DIAGNOSTIC ASSIST FUNCTION [AUDIO (STANDARD AUDIO)]


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Structural View

Buttons

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1
Preset button “1”/DISC button (up)
2
Preset button “2”
3
Preset button “3”/RDM button
4
Preset button “4”/DISC button (down)
5
Preset button “5”/reverse button
6
Preset button “6”/fast-forward button
7
FM1/2 button
8
SCAN button
9
RPT button
10
TRACK/SEEK (up) /H button
11
INFO button
12
CLOCK button
13
TRACK/SEEK (down) /M button
14
AUDIO CONT button
15
CD button
16
POWER button
17
MEDIA button
18
AM button
19
TUNE/AUTO-M/DISP/TEXT button


Information Display Inspection

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

2.  Inspect according to the following table:

INSPECTION

DISPLAY

ACTION

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.

3.  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 AUTO-M button for approx. 1 s.

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 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

3.  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 PRESET “2” button 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 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.

3.  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 and at radio mode, press the POWER button and simultaneously press the AM 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 following parts.
•  Glass antenna
•  Antenna feeder
Replace the base unit.

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