Mazda CX-7 2007 Workshop Manual page 1391

DTC TABLE[AUDIO]
Screen display
DTC
(When starting on-board
diagnostic test function)
00: Er01
00: Er03
00: Er04
00: Er10
03: Er01
03: Er02
03: Er07
03: Er10
05: Er01
05: Er07
05: Er10
06: Er01
06: Er02
06: Er07
06: Er10
09: Er20
09: Er21
09: Er22
10: Er01
10: Er02
10: Er07
10: Er10
16: Er12
17: Er11
21: Er17
21: Er18
21: Er19
ON-BOARD DIAGNOSTIC [AUDIO]
Detection condition
Cassette deck cannot implement
insert and eject commands.
Reel built into cassette deck does
not operate.
Cassette tape is worn out.
Cassette deck does not operate.
CD player cannot implement
insert and eject commands.
Cannot change tracks.
CD reading error.
CD player does not operate.
CD changer (external) cannot
implement insert, eject, and disc
change commands.
CD reading error.
CD changer (external) does not
operate.
CD changer cannot implement
insert, eject, and disc change
commands.
Cannot change tracks.
CD reading error.
CD changer does not operate.
Audio system does not operate.
Broken sound/No sound
No radio reception
MP3 applicable CD player cannot
implement insert and eject
commands.
Cannot change tracks.
MP3 CD reading error.
MP3 applicable CD player does
not operate.
—
—
Incorrect combination (base unit
and audio cover)
Communication error between
base unit and audio cover
Possible cause/inspection
Cassette deck malfunction
Verify condition of the cassette deck.
• Tape wear
• Verify condition of the cassette deck.
• Malfunction of connectors between base unit and
cassette deck
• Cassette deck malfunction
CD player malfunction
CD player malfunction
• Defective CD (scratches or dirt)
• CD player malfunction
• Malfunction of connectors between base unit and CD
player
• CD player malfunction
• Defective CD (curved, broken or foreign material stuck/
attached, etc.)
• CD changer (external) malfunction
• Defective CD (curved, broken or foreign material stuck/
attached, etc.)
• CD changer (external) malfunction
• Malfunction of connectors between base unit and CD
changer (external)
• CD changer (external) malfunction
• Defective CD (curved, broken or foreign material stuck/
attached, etc.)
• CD changer malfunction
• Defective CD (curved, broken or foreign material stuck/
attached, etc.)
• CD changer malfunction
• Defective CD (curved, broken or foreign material stuck/
attached, etc.)
• CD changer malfunction
• Malfunction of connectors between base unit and CD
changer
• CD changer malfunction
Voltage at base unit is low.
Inspect the audio system operation according to vehicle
condition.
Inspect the radio operation according to vehicle condition.
MP3 applicable CD player malfunction
MP3 applicable CD player malfunction
Incorrect format CD
• Malfunction of connectors between base unit and MP3
applicable CD player
• MP3 applicable CD player malfunction
CAN system
CAN system
Install the correct base unit or the audio cover.
Malfunction of connectors between base unit and audio
cover
id0902f6804000
09-02G
09-02G–3