Mazda CX 7. Manual - part 349

 

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Mazda CX 7. Manual - part 349

 

 

ON-BOARD DIAGNOSTIC [AUDIO]

09-02G–5

09-02G

DIAGNOSTIC ASSIST FUNCTION[AUDIO]

id0902f6804500

Structural View
Buttons

.

Button Inspection

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

s.

2. Inspect 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 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:

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

5

3

6

1

2

9

8

7

10

19

18

17

15

16

14

13

11

12

20

21

4

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1

CLOCK button

2

SET /button

3

FM/AM button

4

SAT  button

5

CD  button

6

MEDIA button

7

TRACK/SEEK/APC button (up)

8

SCAN  button

9

RPT button

10

TRACK/SEEK/APC button (down)

11

PROG button

12

RDM button

13

POWER/VOLUME button

14

Preset button “1”

15

Preset button “2”

16

Preset button “3”

17

Preset button “4”

18

Preset button “5”

19

Preset button “6”

20

TUNE/AUTO-M button

21

AUDIO CONT button

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.

INSPECTION

DISPLAY

ACTION

• Start the speaker inspection 

mode.

With Bose

• Do all the speakers output 

sound?

Without Bose

• Does each speaker output 

sound in the following order?
1. Front door speaker (LH)
2. Front door speaker (RH)
3. Rear door speaker (RH)
4. Rear door speaker (LH)

— 

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

1871-1U-06B(09-02G).fm  5 ページ  2006年3月15日 水曜日 午前11時42分

ON-BOARD DIAGNOSTIC [AUDIO]

09-02G–6

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.

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

Antenna control condition inspection

1. With the audio power on and at radio mode, press the POWER button and simultaneously press the AM button 

for approx. 1 s.

2. Inspect the antenna control conditon 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 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.

NORMAL CONDITION

MALFUNCTION PRESENT

INSPECTION

DISPLAY

ACTION

Start antenna control condition 
inspection mode. 

Sound quality is good.

System is okay. 

Sound quality is poor.

Inspect following parts.

• Center roof antenna

• Antenna feeder 

Replace base unit.

1871-1U-06B(09-02G).fm  6 ページ  2006年3月15日 水曜日 午前11時42分

ON-BOARD DIAGNOSTIC [AUDIO AMPLIFIER]

09-02H–1

09-02H

09-02H ON-BOARD DIAGNOSTIC [AUDIO AMPLIFIER]

DTC INSPECTION

[AUDIO AMPLIFIER] . . . . . . . . . . . . . . .  09-02H–1

DTC TABLE[AUDIO AMPLIFIER]  . . . . . . 09-02H–1
DTC B2477[AUDIO AMPLIFIER] . . . . . . . 09-02H–1

End of Toc

WM: IMMOBILIZER SYSTEM

DTC INSPECTION[AUDIO AMPLIFIER]

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1. Connect the M-MDS to the DLC-2.
2. After the vehicle is identified, select the following 

items from the initialization screen of the M-MDS.

• When using the IDS (notebook PC)

— Select the “Toolbox” tab.

— Select “Self Test”.

— Select “Module”.

— Select “AM”.

• When using the PDS (pocket PC)

— Select “Module Tests”.

— Select “AM”.

— Select “Self Test”.

3. Verify the DTC according to the directions on the 

screen.

• If any DTCs are displayed, perform troubleshooting according to the corresponding DTC inspection.

4. After completion of repairs, clear all DTCs stored in the Audio amplifier.

End Of Sie

AUDIO AMPLIFIER

DTC TABLE[AUDIO AMPLIFIER]

id0902f8847300

End Of Sie

DTC B2477[AUDIO AMPLIFIER]

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Diagnostic procedure

End Of Sie

DLC-2

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DTC

Malfunction location

Freeze 

frame data

Page

B2477

Configuration error

— 

 (See 09-02H-1 DTC 
B2477[AUDIO AMPLIFIER].)

DTC B2477

• Configuration error

DETECTION 

CONDITION

• Audio amplifier configuration has not been performed correctly.

POSSIBLE 

CAUSE

• Audio amplifier configuration error

• Malfunction in the audio amplifier internal circuit

STEP

INSPECTION

ACTION

1

PERFORM AUDIO AMPLIFIER 
CONFIGURATION

• Perform audio amplifier configuration.

• Is B2477 displayed?

Yes

Replace the audio amplifier.

No

Go to the next step.

2

VERIFY TROUBLESHOOTING OF DTC B2477 
COMPLETED

• Clear the DTC from the memory.

• Is B2477 displayed?

Yes

Go to the applicable DTC inspection.

No

DTC troubleshooting completed.

1871-1U-06B(09-02H).fm  1 ページ  2006年3月15日 水曜日 午前11時42分

 

 

 

 

 

 

 

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