Mazda Protege 5. Manual - part 303

ON-BOARD DIAGNOSTIC [AUDIO]

09–02B–6

DTC 05:ER10

A3U090266900W09

Diagnostic procedure

End Of Sie

DTC 06:ER10

A3U090266900W10

Diagnostic procedure

End Of Sie

DTC 05:Er10

CD changer—base unit communication line

DETECTION 

CONDITION

•

Base unit detects communication error with CD changer (external type)

POSSIBLE 

CAUSE

•

Malfunction of connectors between base unit and CD changer (external type)

•

CD changer (external type) malfunction

•

Base unit malfunction

STEP

INSPECTION

ACTION

1

INSPECT CONNECTOR

•

Inspect base unit and CD changer (external type) 
connectors for connection.

•

Are connectors securely connected?

Yes

Go to next step.

No

Reconnect connector, then go to next step.

2

INSPECT WIRING HARNESS BETWEEN CD 
CHANGER (EXTERNAL TYPE) AND BASE UNIT

•

Inspect wiring harness between base unit and CD 
changer (external type).

•

Is wiring harness okay?

Yes

Go to next step.

No

Securely install CD changer (external type), then go 
to next step.

3

INSPECT CD CHANGER (EXTERNAL TYPE)

•

Clear DTC.

•

Turn ignition switch to ACC or ON position and wait 
for 3 seconds or more.

•

Start on-board diagnostic test mode.

•

Is DTC 05:Er10 displayed?

Yes

Replace base unit and CD changer (external type).

No

Troubleshooting completed.

DTC 06:Er10

CD changer—base unit communication line

DETECTION 

CONDITION

•

Base unit detects communication error with CD changer (upper module)

POSSIBLE 

CAUSE

•

Malfunction of connectors between base unit and CD changer (upper module)

•

CD changer (upper module) malfunction

•

Base unit malfunction

STEP

INSPECTION

ACTION

1

INSPECT CONNECTOR

•

Remove CD changer (upper module) and inspect 
connector for the following.
— Deformation of pin
— Poor connection of female terminal
— Pinching of foreign material

•

Is connector okay?

Yes

Go to next step.

No

Repair connector, then go to next step.

2

VERIFY THAT CD CHANGER (UPPER MODULE) IS 
INSTALLED WITH BASE UNIT

•

Install CD changer (upper module) and verify its 
installation condition.

•

Is CD changer (upper module) securely installed?

Yes

Go to next step.

No

Securely install CD changer (upper module), then go 
to next step.

3

INSPECT CD CHANGER (UPPER MODULE)

•

Clear DTC.

•

Turn ignition switch to ACC or ON position and wait 
for 3 seconds or more.

•

Start on-board diagnostic test mode.

•

Is DTC 06:Er10 displayed?

Yes

Replace base unit and CD changer (upper module).

No

Troubleshooting completed.

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ON-BOARD DIAGNOSTIC [AUDIO]

09–02B–7

09–02B

DTC 07:ER10

A3U090266900W11

Diagnostic procedure

End Of Sie

DTC 03:ER01

A3U090266900W12

Diagnostic procedure

End Of Sie

DTC 07:Er10

MD player—base unit communication line

DETECTION 

CONDITION

•

Base unit detects communication error with MD player (lower module)

POSSIBLE 

CAUSE

•

Malfunction of connectors between base unit and MD player (lower module)

•

MD player (lower module) malfunction

•

Base unit malfunction

STEP

INSPECTION

ACTION

1

INSPECT CONNECTOR

•

Remove MD player (lower module) and inspect 
connector for the following.
— Deformation of pin
— Poor connection of female terminal
— Pinching of foreign material

•

Is connector okay?

Yes

Go to next step.

No

Repair connector, then go to next step.

2

VERIFY THAT MD PLAYER (LOWER MODULE) IS 
INSTALLED WITH BASE UNIT

•

Install MD player (lower module) and verify its 
installation condition.

•

Is MD player (lower module) securely installed?

Yes

Go to next step.

No

Securely install MD player (lower module), then go to 
next step.

3

INSPECT MD PLAYER (LOWER MODULE)

•

Clear DTC.

•

Turn ignition switch to ACC or ON position and wait 
for 3 seconds or more.

•

Start on-board diagnostic test mode.

•

Is DTC 07:Er10 displayed?

Yes

Replace base unit and MD player (lower module).

No

Troubleshooting completed.

DTC 03:Er01

CD player (upper module)

DETECTION 

CONDITION

•

CD player (upper module) cannot perform insert and eject commands.

POSSIBLE 

CAUSE

•

Defective CD (broken or foreign material stuck/attached)

•

CD player (upper module) malfunction

STEP

INSPECTION

ACTION

1

•

Is CD able to be ejected?

Yes

Go to next step.

No

Replace CD player (upper module).

2

INSPECT CD

•

Inspect condition of CD where error has occurred.

•

Is CD okay?

Note

•

In some cases, not all CD-R/CD-RW will play.

Yes

Go to next step.

No

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

3

INSPECT CD PLAYER (UPPER MODULE)

•

Clear DTC.

•

Insert and eject CD with no defect.

•

Start on-board diagnostic test mode.

•

Is DTC 03:Er01 displayed?

Yes

Replace CD player (upper module).

No

Troubleshooting completed.

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ON-BOARD DIAGNOSTIC [AUDIO]

09–02B–8

DTC 03:ER02

A3U090266900W13

Diagnostic procedure

End Of Sie

DTC 03:ER07

A3U090266900W14

Diagnostic procedure

End Of Sie

DTC 03:Er02

CD player (upper module)

DETECTION 

CONDITION

Note

•

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

•

Cannot play CD normally or change tracks.

POSSIBLE 

CAUSE

•

Defective CD (scratches or dirt)

•

CD player (upper module) malfunction

STEP

INSPECTION

ACTION

1

VERIFY WHETHER MALFUNCTION IS IN CD 
PLAYER (UPPER MODULE) OR CD

•

Play CD and select other song (change tracks).

•

Does CD player 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 CD and perform 
tracks-change again.

•

If CD player changes 
tracks, then go to Step 3.

•

If not, replace CD player 
(upper module).

2

INSPECT CD

•

Inspect condition of CD where error has occurred.

•

Is CD okay?

Note

•

In some cases, not all CD-R/CD-RW will play.

Yes

Go to next step.

No

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

3

INSPECT CD PLAYER (UPPER MODULE)

•

Clear DTC.

•

Play CD and select other song (change tracks).

•

Start on-board diagnostic test mode.

•

Is DTC 03:Er02 displayed?

Yes

Replace CD player (upper module).

No

Troubleshooting completed.

DTC 03:Er07

CD player (upper module)

DETECTION 

CONDITION

Note

•

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

•

Base unit detects CD reading error.

POSSIBLE 

CAUSE

•

Defective CD (scratches or dirt)

•

CD player (upper module) malfunction

STEP

INSPECTION

ACTION

1

INSPECT CD

•

Inspect condition of CD where error has occurred.

•

Is CD okay?

Note

•

In some cases, not all CD-R/CD-RW will play.

Yes

Go to next step.

No

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

2

INSPECT CD PLAYER (UPPER MODULE)

•

Clear DTC.

•

Insert and play CD with no defect.

•

Start on-board diagnostic test mode.

•

Is DTC 03:Er07 displayed?

Yes

Replace CD player (upper module).

No

Troubleshooting completed.

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ON-BOARD DIAGNOSTIC [AUDIO]

09–02B–9

09–02B

DTC 00:ER01

A3U090266900W15

Diagnostic procedure

End Of Sie

DTC 00:ER03

A3U090266900W16

Diagnostic procedure

End Of Sie

DTC 00:ER04

A3U090266900W17

Diagnostic procedure

DTC 00:Er01

Cassette deck (lower module)

DETECTION 

CONDITION

•

Cassette deck (lower module) cannot perform insert and eject commands.

POSSIBLE 

CAUSE

•

Defective cassette tape (deformation, broken, or foreign material stuck/attached)

•

Cassette deck (lower module) malfunction

STEP

INSPECTION

ACTION

1

•

Is cassette tape able to be ejected?

Yes

Go to next step.

No

Replace cassette deck (lower module).

2

INSPECT CASSETTE TAPE

•

Inspect condition of cassette tape where error has 
occurred.

•

Is cassette tape okay?

Yes

Go to next step.

No

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

3

INSPECT CASSETTE DECK (LOWER MODULE)

•

Clear DTC.

•

Insert and eject cassette tape with no defect.

•

Start on-board diagnostic test mode.

•

Is DTC 00:Er01 displayed?

Yes

Replace cassette deck (lower module).

No

Troubleshooting completed.

DTC 00:Er03

Cassette deck (lower module)

DETECTION 

CONDITION

•

Base unit detects that reel built into cassette deck does not operate.

POSSIBLE 

CAUSE

•

Defective cassette tape (tape slack, pinched tape in internal cassette deck)

•

Cassette deck (lower module) malfunction

STEP

INSPECTION

ACTION

1

INSPECT CASSETTE TAPE

•

Inspect condition of cassette tape where error has 
occurred.

•

Is cassette tape okay?

Yes

Go to next step.

No

Repair (remove tape slack or repair pinched tape) or 
replace cassette tape, then go to next step.

2

INSPECT CASSETTE DECK (LOWER MODULE)

•

Clear DTC.

•

Insert cassette tape with no defect.

•

Play cassette tape for 20 seconds or more.

•

Start on-board diagnostic test mode.

•

Is DTC 00:Er03 displayed?

Yes

Replace cassette deck (lower module).

No

Troubleshooting completed.

DTC 00:Er04

Cassette tape

DETECTION 

CONDITION

Note

•

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

•

Cassette tape is worn out.

POSSIBLE 

CAUSE

•

Tape wear

•

Cassette deck (lower module) malfunction

STEP

INSPECTION

ACTION

1

INSPECT CASSETTE TAPE

•

Inspect condition of cassette tape where error has 
occurred.

•

Is cassette tape okay?

Yes

Go to next step.

No

Replace cassette tape, then go to next step.

2

INSPECT CASSETTE DECK (LOWER MODULE)

•

Clear DTC.

•

Insert cassette tape with no defect.

•

Play cassette tape for 20 seconds or more.

•

Start on-board diagnostic test mode.

•

Is DTC 00:Er04 displayed?

Yes

Replace cassette deck (lower module).

No

Troubleshooting completed.

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