Mazda CX-7 2007 Workshop Manual page 1392

Screen display
DTC
(When starting on-board
diagnostic test function)
22: Er01
22: Er02
22: Er07
22: Er10
no Err
End Of Sie
DTC 16:ER12[AUDIO]
DTC 16:Er12 CAN system communication error
DETECTION
• CAN system communication error
CONDITION
• Malfunction of wiring harness between base unit and other CAN system related module
POSSIBLE
• Audio unit malfunction
CAUSE
Diagnostic procedure
(See09-02D-2 MULTIPLEX COMMUNICATION SYSTEM[MULTIPLEX COMMUNICATION SYSTEM].)
End Of Sie
DTC 17:ER11[AUDIO]
DTC 17:Er11 CAN system communication error
DETECTION
• ALC function does not operate.
CONDITION
• Malfunction of wiring harness between base unit and other CAN system related module
POSSIBLE
• CAN system related module malfunction
CAUSE
Diagnostic procedure
(See09-02D-2 MULTIPLEX COMMUNICATION SYSTEM[MULTIPLEX COMMUNICATION SYSTEM].)
End Of Sie
09-02G–4
ON-BOARD DIAGNOSTIC [AUDIO]
Detection condition
MP3 applicable CD changer
cannot implement insert, eject,
and disc change commands.
Cannot change tracks.
CD reading error.
MP3 applicable CD changer does
not operate.
No DTCs stored
ACTION
ACTION
Possible cause/inspection
• Defective CD (curved, broken or foreign material stuck/
attached, etc.)
• MP3 applicable CD changer malfunction
• Defective CD (curved, broken or foreign material stuck/
attached, etc.)
• MP3 applicable CD changer malfunction
• Defective CD (curved, broken or foreign material stuck/
attached, etc.)
• MP3 applicable CD changer malfunction
• Malfunction of connectors between base unit and MP3
applicable CD changer
• MP3 applicable CD changer malfunction
No DTCs stored
id0902f6804100
id0902f6804200