DIAGNOSTIC ASSIST FUNCTION [AUDIO]

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Without CD/USB/AUX switch

LCD inspection

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

2. Turn the center panel unit power to on.

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

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4. Inspect according to the following table:

Inspection

Display

Action

• Launch the LCD inspection mode.

• The characters displayed on the LCD are not truncated or faint.

Yes

LCD is normal.

No

Replace the center panel.

(See CENTER PANEL UNIT REMOVAL/INSTALLATION.)

(See CENTER PANEL UNIT DISASSEMBLY/ASSEMBLY.)

Inspection	Display	Action
• Launch the LCD inspection mode. • The characters displayed on the LCD are not truncated or faint.		Yes	LCD is normal.
No	Replace the center panel. (See CENTER PANEL UNIT REMOVAL/INSTALLATION.) (See CENTER PANEL UNIT DISASSEMBLY/ASSEMBLY.)

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

Switch inspection

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

2. Turn the center panel 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 SWITCH CONFIRMATION [AUDIO].)

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 SWITCH CONFIRMATION [AUDIO].)

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

Speaker inspection

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

2. Turn the center panel 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?:

1.  Front door speaker (LH) and tweeter (LH)

2.  Front door speaker (RH) and tweeter (RH)

3.  Rear door speaker (RH)/rear speaker (RH) (3HB)

4.  Rear door speaker (LH)/rear speaker (LH) (3HB)

―

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 [AUDIO].)

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

Inspection	Display	Action
• Launch 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)/rear speaker (RH) (3HB) 4. Rear door speaker (LH)/rear speaker (LH) (3HB)	―	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 [AUDIO].) • If no sound is produced from some of the speakers. (See NO.4 NO SOUND FROM SOME SPEAKERS [AUDIO].)

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

Radio reception condition inspection

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

2. Turn the center panel 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

• 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 (AM 522 kHz reception)

Action

Start the radio reception condition inspection mode.

Center roof antenna, antenna feeder and audio unit are normal.

Change frequencies and re-perform the inspection.

Inspect the center roof antenna and antenna feeder.
(See CENTER ROOF ANTENNA INSPECTION.)

(See ANTENNA FEEDER NO.1 INSPECTION.)

(See ANTENNA FEEDER NO.2 INSPECTION.)

• If either the center roof antenna or the antenna feeder is not normal, replace the malfunctioning part.
(See CENTER ROOF ANTENNA REMOVAL/INSTALLATION.)

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

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

• If the center roof antenna and antenna feeder are normal, replace the audio unit.
(See CENTER PANEL UNIT REMOVAL/INSTALLATION.)

(See CENTER PANEL UNIT DISASSEMBLY/ASSEMBLY.)

Inspection	Display (AM 522 kHz reception)	Action
Start the radio reception condition inspection mode.		Center roof antenna, antenna feeder and audio unit are normal.
	Change frequencies and re-perform the inspection.
	Inspect the center roof antenna and antenna feeder. (See CENTER ROOF ANTENNA INSPECTION.) (See ANTENNA FEEDER NO.1 INSPECTION.) (See ANTENNA FEEDER NO.2 INSPECTION.) • If either the center roof antenna or the antenna feeder is not normal, replace the malfunctioning part. (See CENTER ROOF ANTENNA REMOVAL/INSTALLATION.) (See ANTENNA FEEDER NO.1 REMOVAL/INSTALLATION.) (See ANTENNA FEEDER NO.2 REMOVAL/INSTALLATION.) • If the center roof antenna and antenna feeder are normal, replace the audio unit. (See CENTER PANEL UNIT REMOVAL/INSTALLATION.) (See CENTER PANEL UNIT DISASSEMBLY/ASSEMBLY.)

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

Center panel specification inspection

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

2. Turn the center panel unit power to on.

3. While pressing the POWER/VOLUME switch, simultaneously press the Preset switch 6 for 3 s or more.

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4. Inspect according to the following table:

Inspection

Display

Action

• Launch the center panel destination mode.

• Is there a match to the destination?

Yes

The center panel is normal.

No

Replace the center panel.

(See CENTER PANEL UNIT REMOVAL/INSTALLATION.)

(See CENTER PANEL UNIT DISASSEMBLY/ASSEMBLY.)

Inspection	Display	Action
• Launch the center panel destination mode. • Is there a match to the destination?		Yes	The center panel is normal.
No	Replace the center panel. (See CENTER PANEL UNIT REMOVAL/INSTALLATION.) (See CENTER PANEL UNIT DISASSEMBLY/ASSEMBLY.)

ID

Specification

Code

Destination

00

Mazda 2

00

Europe

01

Australia

02

4A region (With AM frequency pitch: 5KHz pitch)

03

4A region (With AM frequency pitch: 9KHz pitch)

ID	Specification	Code	Destination
00	Mazda 2	00	Europe
01	Australia
02	4A region (With AM frequency pitch: 5KHz pitch)
03	4A region (With AM frequency pitch: 9KHz pitch)

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

With CD/USB/AUX switch

LCD inspection

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

2. Turn the center panel unit power to on.

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

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4. Inspect according to the following table:

Inspection	Display	Action
• Launch the LCD inspection mode. • The characters displayed on the LCD are not truncated or faint.		Yes	LCD is normal.
No	Replace the center panel. (See CENTER PANEL UNIT REMOVAL/INSTALLATION.) (See CENTER PANEL UNIT DISASSEMBLY/ASSEMBLY.)

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

Switch inspection

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

2. Turn the center panel unit power to on.

3. While pressing the POWER/VOLUME switch, simultaneously press the Preset 3 switch for 0.5 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 SWITCH CONFIRMATION [AUDIO].)

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

Dial switch inspection

1. Switch the ignition to ACC or ON.

2. Turn the audio unit power to on.

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

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4. Inspect according to the following table:

Inspection

Display

Action

•  Launch the dial switch inspection mode.

•  Operate all of the dial.

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

Yes

System is okay.

No

Verify the switch.

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

Inspection	Display	Action
• Launch the dial switch inspection mode. • Operate all of the dial. • Does the dial rotation direction correspond with the direction displayed in information display?		Yes	System is okay.
No	Verify the switch. (See CONFIRMATION STEP 1: AUDIO SWITCH CONFIRMATION [AUDIO].)

5. To stop the diagnostic assist function, ignition is switched to off or turning off the audio unit power.

Speaker inspection

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

2. Turn the center panel unit power to on.

3. While pressing the POWER/VOLUME switch, simultaneously press the AUTO–M/CAT switch for 0.5 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?: 1. Front door speaker (LH) and tweeter (LH) 2. Front door speaker (RH) and tweeter (RH) 3. Rear door speaker (RH)/rear speaker (RH) (3HB) 4. Rear door speaker (LH)/rear speaker (LH) (3HB)	―	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 [AUDIO].) • If no sound is produced from some of the speakers. (See NO.4 NO SOUND FROM SOME SPEAKERS [AUDIO].)

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

Radio reception condition inspection

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

2. Turn the center panel unit power to on.

3. Tune in the radio.

4. While pressing the POWER/VOLUME switch, simultaneously press the Preset switch 2 for 0.5 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 (AM 522 kHz reception)	Action
Start the radio reception condition inspection mode.		Center roof antenna, antenna feeder and audio unit are normal.
	Change frequencies and re-perform the inspection.
	Inspect the center roof antenna and antenna feeder. (See CENTER ROOF ANTENNA INSPECTION.) (See ANTENNA FEEDER NO.1 INSPECTION.) (See ANTENNA FEEDER NO.2 INSPECTION.) • If either the center roof antenna or the antenna feeder is not normal, replace the malfunctioning part. (See CENTER ROOF ANTENNA REMOVAL/INSTALLATION.) (See ANTENNA FEEDER NO.1 REMOVAL/INSTALLATION.) (See ANTENNA FEEDER NO.2 REMOVAL/INSTALLATION.) • If the center roof antenna and antenna feeder are normal, replace the audio unit. (See CENTER PANEL UNIT REMOVAL/INSTALLATION.) (See CENTER PANEL UNIT DISASSEMBLY/ASSEMBLY.)

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

Center panel specification inspection

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

2. Turn the center panel unit power to on.

3. While pressing the POWER/VOLUME switch, simultaneously press the Preset switch 6 for 3 s or more.

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4. Inspect according to the following table:

Inspection	Display	Action
• Launch the center panel destination mode. • Is there a match to the destination?		Yes	The center panel is normal.
No	Replace the center panel. (See CENTER PANEL UNIT REMOVAL/INSTALLATION.) (See CENTER PANEL UNIT DISASSEMBLY/ASSEMBLY.)

ID

Specification

Code

Destination

00

Mazda 2

00

Europe

01

Australia

02

4A region (With AM frequency pitch: 5KHz pitch)

03

4A region (With AM frequency pitch: 9KHz pitch)

ID	Specification	Code	Destination
00	Mazda 2	00	Europe
01	Australia
02	4A region (With AM frequency pitch: 5KHz pitch)
03	4A region (With AM frequency pitch: 9KHz pitch)

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