DIAGNOSTIC ASSIST FUNCTION [AUDIO]

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Display Inspection (with display only)

1. Turn the ignition switch to the ACC or ON position.

2. Turn the audio unit power to ON.

3. While pressing the POWER/VOLUME switch, simultaneously press the SEEK/TRACK up switch for 0.5 s or more.

With RDS (radio data system)

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Without RDS (radio data system)

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4. Inspect according to the following table:

Inspection

Display

Action

•  Launch the display inspection mode.

•  Press the Selection switches to select the color of the display.

Note

•  Press the RETURN switch to return to the display color selection screen.

•  Is the selected color correctly displayed?

•  Is the display truncated or faint?

The selected color is displayed on the display.

Yes

The display is normal.

No

Replace the audio unit.

(See AUDIO UNIT REMOVAL/INSTALLATION.)

Inspection	Display	Action
• Launch the display inspection mode. • Press the Selection switches to select the color of the display. Note • Press the RETURN switch to return to the display color selection screen. • Is the selected color correctly displayed? • Is the display truncated or faint?	The selected color is displayed on the display.	Yes	The display is normal.
No	Replace the audio unit. (See AUDIO UNIT REMOVAL/INSTALLATION.)

5. Cancel the diagnostic assist function by either turning off the audio unit power or by turning the ignition switch to the LOCK position.

Switch Inspection

With display

1. Turn the ignition switch to the ACC or ON position.

2. Turn the audio unit power to ON.

3. While pressing the POWER/VOLUME switch, simultaneously press the Selection switch 3 for 0.5 s or more.

With RDS (radio data system)

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Without RDS (radio data system)

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4. Inspect according to the following table:

Inspection

Display

Action

•  Launch the switch inspection mode.

•  Operate all of the switches (press).

•  Does the buzzer sound?

―

Yes

The switch is normal.

No

Verify the switch.

(See CONFIRMATION STEP 1: AUDIO PANEL SWITCH CONFIRMATION [ENTIRE AUDIO SYSTEM].)

Inspection	Display	Action
• Launch the switch inspection mode. • Operate all of the switches (press). • Does the buzzer sound?	―	Yes	The switch is normal.
No	Verify the switch. (See CONFIRMATION STEP 1: AUDIO PANEL SWITCH CONFIRMATION [ENTIRE AUDIO SYSTEM].)

5. Cancel the diagnostic assist function by either turning off the audio unit power or by turning the ignition switch to the LOCK position.

Without display

1. Turn the ignition switch to the ACC or ON position.

2. Turn the audio unit power to ON.

3. While pressing the POWER/VOLUME switch, simultaneously press the CLOCK switch for 0.2 s or more.

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4. Inspect according to the following table:

Inspection	Display	Action
• Launch the switch inspection mode. • Operate all of the switches (press). • Does the buzzer sound?	―	Yes	The switch is normal.
No	Verify the switch. (See CONFIRMATION STEP 1: AUDIO PANEL SWITCH CONFIRMATION [ENTIRE AUDIO SYSTEM].)

5. Cancel the diagnostic assist function by either turning off the audio unit power or by turning the ignition switch to the LOCK position.

Speaker Inspection

With display

1. Turn the ignition switch to the ACC or ON position.

2. Turn the audio unit power to ON.

3. While pressing the POWER/VOLUME switch, simultaneously press the SCAN switch for 0.5 s or more.

With RDS (radio data system)

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Without RDS (radio data system)

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4. Inspect according to the following table:

Inspection

Display

Action

•  Launch the speaker inspection mode.

•  Does each speaker output sound in the following order?:

Without Bose^®

―  Front door speaker (LH) and tweeter (LH)

―  Front door speaker (RH) and tweeter (RH)

―  Rear door speaker (RH)

―  Rear door speaker (LH)

With Bose^®

―  Front door speaker (LH)

―  Front speaker (LH)

―  Center speaker

―  Front door speaker (RH)

―  Front speaker (RH)

―  Rear door speaker (RH)

―  Rear speaker (RH)

―  Bass-box

―  Rear speaker (LH)

―  Rear door speaker (LH)

―

Yes

The speakers and the wiring harness between the audio unit and speakers are normal.

No

•  If no sound is produced from all of the speakers.
(See NO.3 NO SOUND FROM ALL SPEAKERS [ENTIRE AUDIO SYSTEM].)

•  If no sound is produced from some of the speakers.
(See NO.4 NO SOUND FROM SOME SPEAKERS [ENTIRE AUDIO SYSTEM].)

Inspection	Display	Action
• Launch the speaker inspection mode. • Does each speaker output sound in the following order?: Without Bose^® ― Front door speaker (LH) and tweeter (LH) ― Front door speaker (RH) and tweeter (RH) ― Rear door speaker (RH) ― Rear door speaker (LH) With Bose^® ― Front door speaker (LH) ― Front speaker (LH) ― Center speaker ― Front door speaker (RH) ― Front speaker (RH) ― Rear door speaker (RH) ― Rear speaker (RH) ― Bass-box ― Rear speaker (LH) ― Rear door speaker (LH)	―	Yes	The speakers and the wiring harness between the audio unit and speakers are normal.
No	• If no sound is produced from all of the speakers. (See NO.3 NO SOUND FROM ALL SPEAKERS [ENTIRE AUDIO SYSTEM].) • If no sound is produced from some of the speakers. (See NO.4 NO SOUND FROM SOME SPEAKERS [ENTIRE AUDIO SYSTEM].)

5. Cancel the diagnostic assist function by either turning off the audio unit power or by turning the ignition switch to the LOCK position.

Without display

1. Turn the ignition switch to the ACC or ON position.

2. Turn the audio unit power to ON.

3. While pressing the POWER/VOLUME switch, simultaneously press the AUTO-M switch for 0.2 s or more.

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4. Inspect according to the following table:

Inspection

Display

Action

•  Launch the speaker inspection mode.

•  Does each speaker output sound in the following order?:

―  Front door speaker (LH) and tweeter (LH)

―  Front door speaker (RH) and tweeter (RH)

―  Rear door speaker (RH)

―  Rear door speaker (LH)

―

Yes

The speakers and the wiring harness between the audio unit and speakers are normal.

No

•  If no sound is produced from all of the speakers.
(See NO.3 NO SOUND FROM ALL SPEAKERS [ENTIRE AUDIO SYSTEM].)

•  If no sound is produced from some of the speakers.
(See NO.4 NO SOUND FROM SOME SPEAKERS [ENTIRE AUDIO SYSTEM].)

Inspection	Display	Action
• Launch the speaker inspection mode. • Does each speaker output sound in the following order?: ― Front door speaker (LH) and tweeter (LH) ― Front door speaker (RH) and tweeter (RH) ― Rear door speaker (RH) ― Rear door speaker (LH)	―	Yes	The speakers and the wiring harness between the audio unit and speakers are normal.
No	• If no sound is produced from all of the speakers. (See NO.3 NO SOUND FROM ALL SPEAKERS [ENTIRE AUDIO SYSTEM].) • If no sound is produced from some of the speakers. (See NO.4 NO SOUND FROM SOME SPEAKERS [ENTIRE AUDIO SYSTEM].)

5. Cancel the diagnostic assist function by either turning off the audio unit power or by turning the ignition switch to the LOCK position.

Radio Reception Condition Inspection

With display

1. Turn the ignition switch to the ACC or ON position.

2. Turn the audio unit power to ON.

3. Tune in the radio.

4. While pressing the POWER/VOLUME switch, simultaneously press the Selection switch 2 for 0.5 s or more.

With RDS (radio data system)

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Without RDS (radio data system)

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5. 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 performing the inspection, select the best area for receiving radio frequencies.

Inspection

Display

Action

Launch the radio reception condition inspection mode.

Level 10 — Level 5

Glass antenna, antenna feeder and audio unit are normal.

Level 4 — Level 3

Change frequencies and re-perform the inspection.

Level 2 — Level 0

Inspect the glass antenna and antenna feeder.
(See GLASS ANTENNA INSPECTION.)

(See ANTENNA FEEDER NO.1 INSPECTION.)

(See ANTENNA FEEDER NO.2 INSPECTION.)

• If either the glass antenna or the antenna feeder is not normal, replace the malfunctioning part.
(See FILAMENT REPAIR.)

(See ANTENNA FEEDER NO.1 REMOVAL/INSTALLATION.)

(See ANTENNA FEEDER NO.2 REMOVAL/INSTALLATION.)

• If the glass antenna and antenna feeder are normal, replace the audio unit.
(See AUDIO UNIT REMOVAL/INSTALLATION.)

Inspection	Display	Action
Launch the radio reception condition inspection mode.	Level 10 — Level 5	Glass antenna, antenna feeder and audio unit are normal.
Level 4 — Level 3	Change frequencies and re-perform the inspection.
Level 2 — Level 0	Inspect the glass antenna and antenna feeder. (See GLASS ANTENNA INSPECTION.) (See ANTENNA FEEDER NO.1 INSPECTION.) (See ANTENNA FEEDER NO.2 INSPECTION.) • If either the glass antenna or the antenna feeder is not normal, replace the malfunctioning part. (See FILAMENT REPAIR.) (See ANTENNA FEEDER NO.1 REMOVAL/INSTALLATION.) (See ANTENNA FEEDER NO.2 REMOVAL/INSTALLATION.) • If the glass antenna and antenna feeder are normal, replace the audio unit. (See AUDIO UNIT REMOVAL/INSTALLATION.)

6. Cancel the diagnostic assist function by either turning off the audio unit power or by turning the ignition switch to the LOCK position.

Without display

1. Turn the ignition switch to the ACC or ON position.

2. Turn the audio unit power to ON.

3. Tune in the radio.

4. While pressing the POWER/VOLUME switch, simultaneously press the Preset switch 2 for 0.2 s or more.

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5. Inspect according to the following table:

Caution

• When performing the inspection, select the best area for receiving radio frequencies.

Inspection

Display

Action

Launch the radio reception condition inspection mode.

LEV 9 — LEV 5

Glass antenna, antenna feeder and audio unit are normal.

LEV 4 — LEV 3

Change frequencies and re-perform the inspection.

LEV 2 — LEV 0

Inspect the glass antenna and antenna feeder.
(See GLASS ANTENNA INSPECTION.)

(See ANTENNA FEEDER NO.1 INSPECTION.)

(See ANTENNA FEEDER NO.2 INSPECTION.)

• If either the glass antenna or the antenna feeder is not normal, replace the malfunctioning part.
(See FILAMENT REPAIR.)

(See ANTENNA FEEDER NO.1 REMOVAL/INSTALLATION.)

(See ANTENNA FEEDER NO.2 REMOVAL/INSTALLATION.)

• If the glass antenna and antenna feeder are normal, replace the audio unit.
(See AUDIO UNIT REMOVAL/INSTALLATION.)

Inspection	Display	Action
Launch the radio reception condition inspection mode.	LEV 9 — LEV 5	Glass antenna, antenna feeder and audio unit are normal.
LEV 4 — LEV 3	Change frequencies and re-perform the inspection.
LEV 2 — LEV 0	Inspect the glass antenna and antenna feeder. (See GLASS ANTENNA INSPECTION.) (See ANTENNA FEEDER NO.1 INSPECTION.) (See ANTENNA FEEDER NO.2 INSPECTION.) • If either the glass antenna or the antenna feeder is not normal, replace the malfunctioning part. (See FILAMENT REPAIR.) (See ANTENNA FEEDER NO.1 REMOVAL/INSTALLATION.) (See ANTENNA FEEDER NO.2 REMOVAL/INSTALLATION.) • If the glass antenna and antenna feeder are normal, replace the audio unit. (See AUDIO UNIT REMOVAL/INSTALLATION.)

6. Cancel the diagnostic assist function by either turning off the audio unit power or by turning the ignition switch to the LOCK position.

Antenna Control Condition Inspection

With display

1. Turn the ignition switch to the ACC or ON position.

2. Turn the audio unit power to ON.

3. Tune in the radio.

4. While pressing the POWER/VOLUME switch, simultaneously press the AM switch or SIRIUS switch for 0.5 s or more.

With RDS (radio data system)

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Without RDS (radio data system)

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5. Inspect according to the following table:

Inspection

Display

Action

Start antenna control condition inspection mode.

Antenna—ON

Sound quality good.

System is okay.

Sound quality poor.

Inspect the glass antenna and antenna feeder.
(See GLASS ANTENNA INSPECTION.)

(See ANTENNA FEEDER NO.1 INSPECTION.)

(See ANTENNA FEEDER NO.2 INSPECTION.)

Antenna—OFF

Replace the audio unit.

(See AUDIO UNIT REMOVAL/INSTALLATION.)

Inspection	Display	Action
Start antenna control condition inspection mode.	Antenna—ON	Sound quality good.	System is okay.
Sound quality poor.	Inspect the glass antenna and antenna feeder. (See GLASS ANTENNA INSPECTION.) (See ANTENNA FEEDER NO.1 INSPECTION.) (See ANTENNA FEEDER NO.2 INSPECTION.)
Antenna—OFF	Replace the audio unit. (See AUDIO UNIT REMOVAL/INSTALLATION.)

6. Cancel the diagnostic assist function by either turning off the audio unit power or by turning the ignition switch to the LOCK position.

Without display

1. Turn the ignition switch to the ACC or ON position.

2. Turn the audio unit power to ON.

3. Tune in the radio.

4. While pressing the POWER/VOLUME switch, simultaneously press the AM switch for 0.2 s or more.

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5. Inspect according to the following table:

Inspection

Display

Action

Start antenna control condition inspection mode.

ANT—ON

Sound quality good.

System is okay.

Sound quality poor.

Inspect the glass antenna and antenna feeder.
(See GLASS ANTENNA INSPECTION.)

(See ANTENNA FEEDER NO.1 INSPECTION.)

(See ANTENNA FEEDER NO.2 INSPECTION.)

ANT—OFF

Replace the audio unit.

(See AUDIO UNIT REMOVAL/INSTALLATION.)

Inspection	Display	Action
Start antenna control condition inspection mode.	ANT—ON	Sound quality good.	System is okay.
Sound quality poor.	Inspect the glass antenna and antenna feeder. (See GLASS ANTENNA INSPECTION.) (See ANTENNA FEEDER NO.1 INSPECTION.) (See ANTENNA FEEDER NO.2 INSPECTION.)
ANT—OFF	Replace the audio unit. (See AUDIO UNIT REMOVAL/INSTALLATION.)

6. Cancel the diagnostic assist function by either turning off the audio unit power or by turning the ignition switch to the LOCK position.

Audio Amplifier Control Condition Inspection

1. Turn the ignition switch to the ACC or ON position.

2. Turn the audio unit power to ON.

3. While pressing the SCAN switch, simultaneously press the CD switch or CD/AUX switch for 3 s or more.

With RDS (radio data system)

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Without RDS (radio data system)

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4. Inspect according to the following table:

Inspection

Display

Action

Launch the audio amplifier control condition inspection mode.

AMP—ON

System is okay.

AMP—OFF

Replace the audio unit.

(See AUDIO UNIT REMOVAL/INSTALLATION.)

Inspection	Display	Action
Launch the audio amplifier control condition inspection mode.	AMP—ON	System is okay.
AMP—OFF	Replace the audio unit. (See AUDIO UNIT REMOVAL/INSTALLATION.)

5. Cancel the diagnostic assist function by either turning off the audio unit power or by turning the ignition switch to the LOCK position.

Dial Inspection

1. Turn the ignition switch to the ACC or ON position.

2. Turn the audio unit power to ON.

3. While pressing the SCAN switch, simultaneously press the Selection switch 1 for 3 s or more.

With RDS (radio data system)

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Without RDS (radio data system)

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4. Inspect according to the following table:

Inspection

Display

Action

•  Launch the dial inspection mode.

•  Operate all of the dial.

•  Does the dial rotation direction correspond with the direction displayed in information display?

→

←

Yes

Dial is okay.

No

Replace the audio unit.

(See AUDIO UNIT REMOVAL/INSTALLATION.)

Inspection	Display	Action
• Launch the dial inspection mode. • Operate all of the dial. • Does the dial rotation direction correspond with the direction displayed in information display?	→ ←	Yes	Dial is okay.
No	Replace the audio unit. (See AUDIO UNIT REMOVAL/INSTALLATION.)

5. Cancel the diagnostic assist function by either turning off the audio unit power or by turning the ignition switch to the LOCK position.

Audio Amplifier Specification Inspection

With display

1. Turn the ignition switch to the ACC or ON position.

2. While pressing the POWER/VOLUME switch, simultaneously press the SEEK/TRACK down switch for 3 s or more.

With RDS (radio data system)

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Without RDS (radio data system)

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3. Inspect according to the following table:

Inspection

Display

Action

•  Launch audio amplifier specification inspection mode.

•  Verify the audio amplifier specification.

•  Dose the audio amplifier specification correspond.

Without Bose^®

Normal

With Bose^®

Line Out

Yes

System is okay.

No

Replace the audio unit.

(See AUDIO UNIT REMOVAL/INSTALLATION.)

4. Cancel the diagnostic assist function by turning the ignition switch to the LOCK position.

Without display

1. Turn the ignition switch to the ACC or ON position.

2. Turn the audio unit power to ON.

3. While pressing the POWER/VOLUME switch, simultaneously press the SEEK/TRACK down switch for 3 s or more.

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4. Inspect according to the following table:

Inspection

Display

Action

•  Launch audio amplifier specification inspection mode.

•  Verify the audio amplifier specification.

•  Dose the audio amplifier specification correspond.

Without Bose^®

N (Normal)

With Bose^®

L (Line Out)

Yes

System is okay.

No

Replace the audio unit.

(See AUDIO UNIT REMOVAL/INSTALLATION.)

5. Cancel the diagnostic assist function by either turning off the audio unit power or by turning the ignition switch to the LOCK position.

Audio Amplifier (With Bose^®) Identify Inspection

1. Turn the ignition switch to the ACC or ON position.

2. Turn the audio unit power to ON.

3. While pressing the POWER/VOLUME switch, simultaneously press the Selection switch 1 and SCAN switch for 3 s or more.

With RDS (radio data system)

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Without RDS (radio data system)

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4. Inspect according to the following table:

INSPECTION

—

ACTION

• Launch audio amplifier (With Bose^®) identify inspection mode.

• Dose the audio amplifier specification correspond.

With normal seat

The front door speaker sounds.

With leather seat

The rear door speaker sounds.

Yes

Audio amplifier is okay.

No

Replace the audio amplifier.

(See AUDIO AMPLIFIER REMOVAL/INSTALLATION.)

5. Cancel the diagnostic assist function by either turning off the audio unit power or by turning the ignition switch to the LOCK position.

Inspection	Display	Action
• Launch audio amplifier specification inspection mode. • Verify the audio amplifier specification. • Dose the audio amplifier specification correspond.	Without Bose^® Normal With Bose^® Line Out	Yes	System is okay.
	Without Bose^® Normal With Bose^® Line Out	No	Replace the audio unit. (See AUDIO UNIT REMOVAL/INSTALLATION.)

Inspection	Display	Action
• Launch audio amplifier specification inspection mode. • Verify the audio amplifier specification. • Dose the audio amplifier specification correspond.	Without Bose^® N (Normal) With Bose^® L (Line Out)	Yes	System is okay.
	Without Bose^® N (Normal) With Bose^® L (Line Out)	No	Replace the audio unit. (See AUDIO UNIT REMOVAL/INSTALLATION.)

INSPECTION	—	ACTION
• Launch audio amplifier (With Bose^®) identify inspection mode. • Dose the audio amplifier specification correspond.	With normal seat The front door speaker sounds. With leather seat The rear door speaker sounds.	Yes	Audio amplifier is okay.
		No	Replace the audio amplifier. (See AUDIO AMPLIFIER REMOVAL/INSTALLATION.)