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Mazda CX 7. Manual - part 366

SYMPTOM TROUBLESHOOTING [CASSETTE TAPE PLAYER]

09-03F–3

09-03F

NO.2 CASSETTE TAPE PLAYER DOES NOT EJECT THE CASSETTE TAPE[CASSETTE TAPE PLAYER]

id0903e4805100

Diagnostic procedure

End Of Sie

NO.3 CASSETTE TAPE PLAYER DOES NOT LOAD THE CASSETTE TAPE[CASSETTE TAPE PLAYER]

id0903e4825500

Diagnostic procedure

End Of Sie

Cassette tape player does not eject the cassette tape/Possible DTC: 00:Er01, 00:Er04, 00:Er10

Troubleshooting hints

• Cassette tape is malfunctioning.

• Cassette tape player is malfunctioning.

• Cassette patch is broken.

• Poor installation of cassette patch.

Note

• The cassette tape player may not eject the cassette tape due to tape slack, peel-off or adhered seal.

STEP

INSPECTION

ACTION

• Press the eject button on the player.

• Is a “TAPE OUT” message displayed?

Yes

Go to the next step.

Replace the cassette patch.

• Visually inspect the dust cover on the

cassette patch.

• Is there any damage on the cover?

Yes

Replace the cassette patch.

Go to the next step.

• Inspect the cassette patch installation.

• Is the cassette patch installed securely?

Note

• Inspect the connector for poor connection

(such as damaged/bent/pulled-out pins,
corrosion).

Yes

Replace the cassette tape player.

Note

• When replacing the cassette tape player, inspect the

following:
— Label is not peeling off

— Cassette patch is normal

Install the cassette patch securely.
If the cassette patch is broken, replace the cassette patch.

Cassette tape player does not load the cassette tape/Possible DTC: 00:Er01, 00:Er10

Troubleshooting hints

• Cassette tape is malfunctioning

• Cassette tape player is malfunctioning

• Cassette patch is broken

• Poor installation of cassette patch

• Poor connection of cassette tape player connector

STEP

INSPECTION

ACTION

• Visually inspect the cassette tape.

• Is the cassette tape normal?

Yes

Go to the Step 3.

Go to the next step.

• Inspect the cassette tape player connector.

• Does the cassette tape player load the

cassette tape after re-connecting the
connector?

Yes

The cassette tape player is normal. Explain the repairs to
the customer.

Replace the cassette tape player.

• Replace with a cassette tape known to be

good.

• Does the cassette tape player load the

cassette tape?

Yes

The cassette tape player is normal. Explain to the customer
that the cassette tape is malfunctioning.

Go to the next step.

• Visually inspect the dust cover on the

cassette patch (damage, cracks.).

• Is the dust cover normal?

Yes

Replace the cassette tape player.

Replace the cassette patch.

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SYMPTOM TROUBLESHOOTING [CASSETTE TAPE PLAYER]

09-03F–4

NO.4 CASSETTE TAPE PLAYER EJECTS THE CASSETTE TAPE IMMEDIATELY[CASSETTE TAPE PLAYER]

id0903e4825600

Diagnostic procedure

End Of Sie

NO.5 WAVERING SOUND AND/OR POOR SOUND QUALITY OF THE CASSETTE TAPE[CASSETTE TAPE
PLAYER]

id0903e4825700

Diagnostic procedure

End Of Sie

Cassette tape player ejects the cassette tape immediately/Possible DTC: 00:Er04, 00:Er10

Troubleshooting hints

• Cassette tape is malfunctioning

• Cassette tape player is malfunctioning

STEP

INSPECTION

ACTION

• Replace with a cassette tape known to be

good.

• Does the cassette tape player eject the

cassette tape immediately?

Yes

Replace the cassette tape player.

The cassette tape player is normal. Explain to the customer
that the cassette tape is malfunctioning (Tape slack,
breakage.).

Wavering sound and/or poor sound quality of the cassette tape/Possible DTC: —

Troubleshooting hints

• Cassette tape is malfunctioning.

• Cassette tape player is malfunctioning.

STEP

INSPECTION

ACTION

• Replace with a cassette tape known to be

good.

• Is the sound normal?

Yes

Go to the next step.

Replace the cassette tape player.

• Fast-forward and rewind the original tape.

• Is the sound normal?

Yes

The cassette tape player is normal.

Note

• If the tape is fast-forwarded/rewound fast-forward/

rewind for a short period repeatedly, the tape playing
speed may be temporarily changed.

The cassette tape player is normal. Explain to the customer
that the cassette tape is malfunctioning.

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SYMPTOM TROUBLESHOOTING [CASSETTE TAPE PLAYER]

09-03F–5

09-03F

NO.6 THERE IS A NOISE WHEN PLAYING THE CASSETTE TAPE PLAYER[CASSETTE TAPE PLAYER]

id0903e4825800

Diagnostic procedure

End Of Sie

NO.7 POOR SOUND QUALITY (POOR TREBLE SOUND)[CASSETTE TAPE PLAYER]

id0903e4825400

Diagnostic procedure

End Of Sie

There is a noise when playing the cassette tape player/Possible DTC: —

Troubleshooting hints

• Cassette tape is malfunctioning

• Cassette tape player is malfunctioning

• Poor connection of cassette tape player connector

• Dolby noise reduction is used improperly

• The after-market electrical parts interfere with the audio system

STEP

INSPECTION

ACTION

• Set the Dolby noise reduction properly.

• Is there any noise?

Yes

Go to the next step.

Set the Dolby noise reduction correctly.

• Replace with a cassette tape known to be

good.

• Is there any noise?

Yes

Go to the next step.

The cassette tape player is normal. Explain to the customer
that the cassette tape is malfunctioning.

• Inspect and re-connect the cassette tape

player connector.

• Is there any noise?

Yes

Go to the next step.

The cassette tape player is normal. Explain the repairs to
the customer.

• Are any of the following after-market

electrical parts on the vehicle?
— Cellular phone

— Radio-wave equipment

— Remote engine starter

— TV

Yes

Go to the next step.

Replace the cassette tape player.

• Remove the after-market electrical parts.

• Is there any noise?

Yes

Replace the cassette tape player.

The cassette tape player is normal. Explain to the customer
that the after-market electrical parts interfere with the audio
system.

Poor sound quality (Poor treble sound)/Possible DTC: —

Troubleshooting hints

• Tape head gathers oxide residue from cassette tape

• Cassette tape is malfunctioning

• Cassette tape player is malfunctioning

• Dolby noise reduction is used improperly

STEP

INSPECTION

ACTION

• Inspect the Dolby noise reduction mode.

• Is the Dolby noise reduction mode set

correctly?

Yes

Go to the Step 3.

Go to the next step.

• Set the Dolby reduction mode correctly.

• Is the sound improved?

Yes

Set the Dolby noise reduction correctly.

Go to the next step.

• Replace with a cassette tape known to be

good.

• Is the sound improved?

Yes

The cassette tape player is normal. Explain to the customer
that the cassette tape is malfunctioning.

Note

• Sound quality deteriorates on cassettes that have

been played over a long period of time.

Go to the next step.

• Clean the tape head using the good quality

head-cleaning tape.

• Is the sound improved?

Yes

Explain the repairs (head cleaning) to the customer.

Replace the cassette tape player.

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SYMPTOM TROUBLESHOOTING [CASSETTE TAPE PLAYER]

09-03F–6

NO.8 ABNORMAL SOUND OF THE CASSETTE TAPE (PLAY BACKWARDS)[CASSETTE TAPE PLAYER]

id0903e4825900

Diagnostic procedure

End Of Sie

Abnormal sound of the cassette tape (Reverse playback)/Possible DTC: —

Troubleshooting hints

• Cassette tape is malfunctioning

• Cassette tape player is malfunctioning

Note

• Reverse playback is when the cassette tape is played in the opposite direction of the current playback direction.

STEP

INSPECTION

ACTION

• Replace with a cassette tape known to be

good.

• Is the sound normal?

Yes

The cassette tape player is normal. Explain to the customer
that the cassette tape is malfunctioning.

Replace the cassette tape player.

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