DIAGNOSTIC ASSIST FUNCTION

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Structural View

Buttons

1
FM1/2 button
2
AM button
3
CD button
4
TAPE/MD button
5
CLOCK button
6
SCAN button
7
AUTO-M button
8
SEEK UP button
9
SEEK DOWN button
10
AUDIO CONT button
11
POWER/VOLUME button
12
Preset button "1"
13
Preset button "2"
14
Preset button "3"
15
Preset button "4"
16
Preset button "5"
17
Preset button "6"

LCD Inspection

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

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 information display.

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

Button Inspection

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

2. Inspect according to the following table:

INSPECTION

DISPLAY

ACTION

• Start the button inspection mode.
• Press all buttons.
-
The buzzer sounds.
The button is normal.
The buzzer does not sound.
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

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. Left front door speaker and front tweeter
2. Right front door speaker and front tweeter
3. Right rear speaker and rear tweeter
4. Left rear speaker and rear tweeter
-
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.

Power antenna inspection

1. With audio on and at radio mode, first press the POWER button, then simultaneously press the AM button for approximately 1 second.

2. Inspect the power antenna according to the following table:

Inspection

Display

Action

Start power antenna inspection mode.

Speakers output sound.
System is okay.
Speakers do not output sound.
Inspect power antenna and wiring harness between base unit and power antenna.

Replace base unit.

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