Mazda 6. Manual - part 357

ON-BOARD DIAGNOSTIC [AUDIO] 

T–175

T

End Of Sie

DTC 07:ER01

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Diagnostic procedure

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DTC 07:ER02

A6E817566900W24

Diagnostic procedure

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3

INSPECT CD CHANGER (UPPER MODULE)

• Clear DTC.

• Insert and play CD for 12 seconds or more.

• Start on-board diagnostic test mode.

• Is DTC 06:Er07 displayed?

Yes

Replace CD changer (upper module).

No

Troubleshooting completed.

STEP

INSPECTION

ACTION

DTC 07:Er01

MD player

DETECTION 

CONDITION

• MD player cannot implement insert and eject commands.

POSSIBLE 

CAUSE

• Defective MD (broken or foreign material stuck/attached)

• MD player malfunction

STEP

INSPECTION

ACTION

1

• Is MD able to be ejected?

Yes

Go to next step.

No

Replace MD player.

2

INSPECT MD

• Inspect condition of MD where error has 

occurred.

• Is MD okay?

Yes

Go to next step.

No

Repair (remove foreign material) or replace MD, then go to 
next step.

3

INSPECT MD PLAYER

• Clear DTC.

• Insert and eject MD with no defect.

• Start on-board diagnostic test mode.

• Is DTC 07:Er01 displayed?

Yes

Replace MD player.

No

Troubleshooting completed.

DTC 07:Er02

MD player

DETECTION 

CONDITION

Note

• When error occurs, error message “CHECK MD” is displayed in the LCD.

• Cannot play MD normally or change tracks.

POSSIBLE 

CAUSE

• Defective MD (scratches or dirt)

• MD player malfunction

STEP

INSPECTION

ACTION

1

VERIFY WHETHER MALFUNCTION IS IN MD 
PLAYER OR MD

• Play MD and select other song (change 

tracks).

• Is MD player able to change tracks?

Yes

Go to Step 3.

No

Not able to change particular 
tracks.

Go to next step.

Not able to change any 
tracks.

Change MD and perform 
track-change again.

• If MD player changes 

tracks, then go to Step 3.

• If not, replace MD player.

2

INSPECT MD

• Inspect condition of MD where error has 

occurred.

• Is MD okay?

Yes

Go to next step.

No

Repair (remove foreign material) or replace MD, then go to 
next step.

3

INSPECT MD PLAYER

• Clear DTC.

• Play MD and select other song (change 

tracks).

• Start on-board diagnostic test mode.

• Is DTC 07:Er02 displayed?

Yes

Replace MD player.

No

Troubleshooting completed.

T–176

ON-BOARD DIAGNOSTIC [AUDIO] 

DTC 07:ER07

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Diagnostic procedure

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DIAGNOSTIC ASSIST FUNCTION

A6E817566900W26

Structural View
Switch location

.

DTC 07:Er07

MD player

DETECTION 

CONDITION

Note

• When error occurs, error message “CHECK MD” is displayed in the LCD.

• Base unit detects MD reading error.

POSSIBLE 

CAUSE

• Defective MD (scratches or dirt)

• MD player malfunction

STEP

INSPECTION

ACTION

1

INSPECT MD

• Inspect condition of MD where error has 

occurred.

• Is MD okay?

Yes

Go to next step.

No

Repair (remove foreign material) or replace MD, then go to 
next step.

2

INSPECT MD PLAYER

• Clear DTC.

• Insert and play MD for 12 seconds or more.

• Start on-board diagnostic test mode.

• Is DTC 07:Er07 displayed?

Yes

Replace MD player.

No

Troubleshooting completed.

A6E8175W001

1

FM1 button

2

FM2 button

3

AM  button

4

CD button

5

TAPE/MD button

6

SEEK button (upper) (type A)

SCAN button (type B)

7

SEEK button (lower) (type A)

AUTO-M button (type B)

8

TA button (type A)

SEEK button (upper) (type B)

9

AUTO-M button (type A)

SEEK button (lower) (type B)

10

AF button (type A)

11

PYT button (type A)

12

POWER button (type A)

AUDIO CONT button (type B)

13

AUDIO CONT button (type A)

POWER button (type B)

14

Preset button “1”

15

Preset button “2”

16

Preset button “3”

17

Preset button “4”

18

Preset button “5”

19

Preset button “6”

ON-BOARD DIAGNOSTIC [AUDIO] 

T–177

T

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:

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:

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:

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:

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

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.

Inspection

Display

Action

• Start button inspection mode.

• Press the all buttons.

—

Buzzer sounds.

Button is okay.

Buzzer does not sound.

Replace base unit.

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 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

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.

T–178

ON-BOARD DIAGNOSTIC [AUDIO] 

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:

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

End Of Sie

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.