DIAGNOSTIC ASSIST FUNCTION

id0902f6361100

Structural View

Switch location

1
FM1 button
2
FM2 button
3
AM button
4
CD button
5
TAPE/MD button
6
SEEK button (upper) (With RDS)
SCAN button (Without RDS)
7
SEEK button (lower) (With RDS)
AUTO-M button (Without RDS)
8
TA button (With RDS)
SEEK button (upper) (Without RDS)
9
AUTO-M button (With RDS)
SEEK button (lower) (Without RDS)
10
AF button (With RDS)
11
PYT button (With RDS)
12
POWER button (With RDS)
AUDIO CONT button (Without RDS)
13
AUDIO CONT button (With RDS)
POWER button (Without RDS)
14
Preset button "1"
15
Preset button "2"
16
Preset button "3"
17
Preset button "4"
18
Preset button "5"
19
Preset button "6"

LCD Inspection

1. With audio on, first press the POWER button, then simultaneously press the SEEK button (upper) for approximately 1 second.

2. Inspect the LCD according to the following table:

Inspection

Display

Action

Start LCD inspection mode.

Characters displayed in LCD are not truncated or faint.
LCD is okay.
Other than above.
Replace base unit.

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

Button Inspection

1. With audio on, first press the POWER button, then simultaneously press the TAPE/MD button for approximately 1 second.

2. Inspect the button according to the following table:

Inspection

Display

Action

• Start button inspection mode.
• Press the all buttons.
-
Buzzer sounds.
Button is okay.
Buzzer does not sound.
Replace 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 audio on, first press the POWER button, then simultaneously press the AUTO-M button for approximately 1 second.

2. Inspect the speaker according to the following table:

Inspection

Display

Action

• Start speaker inspection mode.
• Does each speaker output sound in the following order?
1. Left front door speaker and tweeter
2. Right front door speaker and tweeter
3. Right rear door speaker and woofer
4. Left rear door speaker and woofer
-
Yes
Speakers and wiring harness between base unit and speakers are okay.
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 audio on and at radio mode, first press the POWER button, then simultaneously press the preset button "2" for approximately 1 second.

2. Inspect the radio reception condition according to the following table:

Inspection

Display

Action

Start radio reception condition inspection mode.

Antenna, antenna feeder, and base unit are okay.

Change frequency (channel) and inspect again.

Inspect antenna and antenna feeder.
• If either one of them is not okay, replace malfunctioning part.
• If both are okay, replace base unit.

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

Audio Amplifier (External) Inspection

1. With audio on, first press the POWER button, then simultaneously press the SCAN button for approximately 1 second.

2. Inspect the audio amplifier (external) according to the following table:

Inspection

Display

Action

Start audio amplifier (external) inspection mode.

Speakers output sound.
System is okay.
Speakers do not output sound.
Inspect following parts.
• Audio amplifier (external)
• Speakers
• Woofer relay
• Wiring harness
(base unit-audio amplifier (external)-Woofer relay)

Replace base unit.

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