Mazda Protege 5. Manual - part 302

 

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Mazda Protege 5. Manual - part 302

 

 

ON-BOARD DIAGNOSTIC [AUDIO]

09–02B–2

Identification With Printed Numbers/Label
Base unit

1. To identify the supplier name, compare the 

leftmost number of the ID code (4 digits), printed 
on the upper right corner of the LCD, with the 
table below.

Upper/lower module

1. Remove the audio unit.
2. Verify the supplier name written on the label attached on each module.

Identification With On-board Diagnostic Test Mode

1. Start the on-board diagnostic test mode.
2. Verify the device code and supplier code 

displayed in the LCD.

Note

When no DTCs are in the memory, device 
code and supplier codes will not be 
displayed.

End Of Sie

DTC CLEARING PROCEDURE

A3U090266900W03

1. Start the on-board diagnostic test mode.
2. First press the POWER button and hold it, then 

press AUDIO CONT button for 2 seconds or 
more
.

Caution

••••

Before clearing the DTCs, be sure to 
enter all of them displayed in the on-
board diagnostic test mode on the Audio 
Exchange Order Form.

3. To stop the on-board diagnostic test mode, turn 

the ignition switch to the LOCK position.

End Of Sie

Audio ID 

number

Supplier name

1

Panasonic

2

Clarion

4

FMS  Audio

YLE8175W002

Device code

Part name

00

Cassette deck (lower module)

03

CD player (upper module)

05

CD changer (external type)

06

CD changer (upper module)

07

MD player (lower module)

09

Base unit

Supplier code

Supplier name

1

FMS  Audio

2

Panasonic

3

Clarion

Z3U0920W003

1

POWER button

2

AUDIO CONT button

YLE8175W004

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ON-BOARD DIAGNOSTIC [AUDIO]

09–02B–3

09–02B

DTC TABLE

A3U090266900W04

*1,*2

: When an error occurs, the error messages are displayed three times in the order of *1 and *2, respectively.

End Of Sie

DTC 09:ER22

A3U090266900W05

Diagnostic procedure

End Of Sie

Screen display

Malfunction location

Page

DTC

Output signal

09:Er22

Base unit (peripheral circuit)

(See 09–02B–3 DTC 09:ER22)

09:Er20

Power supply circuit of base unit

(See 09–02B–4 DTC 09:ER20)

00:Er10

Cassette deck—base unit communication line

(See 09–02B–5 DTC 00:ER10)

03:Er10

CD player—base unit communication line

(See 09–02B–5 DTC 03:ER10)

05:Er10

CD changer (external type)—base unit 
communication line

(See 09–02B–6 DTC 05:ER10)

06:Er10

CD changer (upper module)—base unit 
communication line

(See 09–02B–6 DTC 06:ER10)

07:Er10

MD player—base unit communication line

(See 09–02B–7 DTC 07:ER10)

03:Er01

CD player

(See 09–02B–7 DTC 03:ER01)

03:Er02

CHECK

*1

 CD

*2

CD player

(See 09–02B–8 DTC 03:ER02)

03:Er07

CHECK

*1

 CD

*2

CD player

(See 09–02B–8 DTC 03:ER07)

00:Er01

Cassette deck

(See 09–02B–9 DTC 00:ER01)

00:Er03

Cassette deck

(See 09–02B–9 DTC 00:ER03)

00:Er04

CHECK

*1

 TAPE

*2

Cassette tape

(See 09–02B–9 DTC 00:ER04)

05:Er01

CD changer (external type)

(See 09–02B–10 DTC 05:ER01)

05:Er07

CHECK

*1

 CD

*2

CD changer (external type)

(See 09–02B–10 DTC 05:ER07)

06:Er01

CD changer (upper module)

(See 09–02B–11 DTC 06:ER01)

06:Er02

CHECK

*1

 CD

*2

CD changer (upper module)

(See 09–02B–11 DTC 06:ER02)

06:Er07

CHECK

*1

 CD

*2

CD changer (upper module)

(See 09–02B–12 DTC 06:ER07)

07:Er01

MD player

(See 09–02B–12 DTC 07:ER01)

07:Er02

CHECK

*1

 MD

*2

MD player

(See 09–02B–13 DTC 07:ER02)

07:Er07

CHECK

*1

 MD

*2

MD player

(See 09–02B–13 DTC 07:ER07)

no Err

No stored DTCs

DTC 09:Er22

Base unit (peripheral circuit)

DETECTION 

CONDITION

Base unit detects malfunction in its inner circuit (related to tuner).

POSSIBLE 

CAUSE

Base unit malfunction

INSPECTION

ACTION

INSPECT BASE UNIT

Clear DTC.

Turn on radio and operate it for 3 seconds or more.

Start on-board diagnostic test mode.

Is DTC 09:Er22 displayed?

Yes

Replace base unit.

No

Troubleshooting completed.

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ON-BOARD DIAGNOSTIC [AUDIO]

09–02B–4

DTC 09:ER20

A3U090266900W06

Diagnostic procedure

End Of Sie

DTC 09:Er20

Power supply circuit of base unit

DETECTION 

CONDITION

Voltage detected at base unit terminals 1B and 1R is less than 8.5 Vor more than 16 V (must not be 
16V)
.

POSSIBLE 

CAUSE

Weak battery

Malfunction in wiring harness between battery and base unit

STEP

INSPECTION

ACTION

1

INSPECT BATTERY

Turn headlights ON then OFF to remove surface 
charge.

Measure battery voltage.

Is voltage less than 8.5 V?

Yes

Battery is weak.

Inspect charge/discharge system.

No

Go to next step.

2

INSPECT BATTERY

Engine running.

Measure battery voltage.

Is voltage greater than 16 V?

Yes

Battery is overcharging.

Inspect charge/discharge system.

No

Go to next step.

3

INSPECT WIRING HARNESS BETWEEN BATTERY 
AND FUSE BLOCK

Measure voltage at fuse block connector (JB-01) 
terminals A and D.

Is voltage 8.5 V —16 V?

Yes

Go to next step.

No

Repair wiring harness between battery and fuse 
block.

4

INSPECT WIRING HARNESS BETWEEN FUSE 
BLOCK AND BASE UNIT

Measure voltage at base unit connector terminals 1B 
and 1R.

Is voltage 8.5 V —16 V?

Yes

Go to next step.

No

Repair wiring harness between fuse block and base 
unit.

5

INSPECT BASE UNIT

Clear DTC.

Turn ignition switch to ACC or ON position and hold 
for 30 seconds or more.

Start on-board diagnostic test mode.

Is DTC 09:Er20 displayed?

Yes

Replace base unit.

No

Troubleshooting completed.

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ON-BOARD DIAGNOSTIC [AUDIO]

09–02B–5

09–02B

DTC 00:ER10

A3U090266900W07

Diagnostic procedure

End Of Sie

DTC 03:ER10

A3U090266900W08

Diagnostic procedure

End Of Sie

DTC 00:Er10

Cassette deck—base unit communication line

DETECTION 

CONDITION

Base unit detects communication error with cassette deck (lower module).

POSSIBLE 

CAUSE

Malfunction of connectors between base unit and cassette deck (lower module)

Cassette deck (lower module) malfunction

Base unit malfunction

STEP

INSPECTION

ACTION

1

INSPECT CONNECTOR

Remove cassette deck (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 CASSETTE DECK (LOWER MODULE) 
IS INSTALLED WITH BASE UNIT

Install cassette deck (lower module) and verify its 
installation condition.

Is cassette deck securely installed?

Yes

Go to next step.

No

Securely install cassette deck (lower module), then 
go to next step.

3

INSPECT CASSETTE DECK (LOWER MODULE)

Clear DTC.

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

Start on-board diagnostic test mode.

Is DTC 00:Er10 displayed?

Yes

Replace base unit and cassette deck (lower module).

No

Troubleshooting completed.

DTC 03:Er10

CD player—base unit communication line

DETECTION 

CONDITION

Base unit detects communication error with CD player (upper module).

POSSIBLE 

CAUSE

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

CD player (upper module) malfunction

Base unit malfunction

STEP

INSPECTION

ACTION

1

INSPECT CONNECTOR

Remove CD player (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 PLAYER (UPPER MODULE) IS 
INSTALLED WITH BASE UNIT

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

Is CD player securely installed?

Yes

Go to next step.

No

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

3

INSPECT CD PLAYER (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 03:Er10 displayed?

Yes

Replace base unit and CD player (upper module).

No

Troubleshooting completed.

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