Mazda 6 2002 Workshop Manual page 1021

DTC 05:ER10
DTC 05:Er10 CD changer (eternal type)—base unit communication line
DETECTION
• Base unit detects communication error with CD changer (eternal type).
CONDITION
• Malfunction of connectors between base unit and CD changer (eternal type)
POSSIBLE
• CD changer (eternal type) malfunction
CAUSE
• Base unit malfunction
Diagnostic procedure
STEP
1 INSPECT CONNECTOR
• Inspect base unit and CD changer (eternal
type) connectors for connection.
• Are connectors securely connected?
2 INSPECT WIRING HARNESS BETWEEN CD
CHANGER (EXTERNAL TYPE) AND BASE
UNIT
• Inspect wiring harness between base unit
and CD changer (eternal type).
• Is wiring harness okay?
3 INSPECT CD CHANGER (EXTERNAL TYPE)
• 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 05:Er10 displayed?
End Of Sie
DTC 06:ER10
DTC 06:Er10 CD changer (upper module)—base unit communication line
DETECTION
• Base unit detects communication error with CD changer (upper module).
CONDITION
• Malfunction of connectors between base unit and CD changer (upper module)
POSSIBLE
• CD changer (upper module) malfunction
CAUSE
• Base unit malfunction
Diagnostic procedure
STEP
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?
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?
3 INSPECT CD CHANGER (UPPER 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 06:Er10 displayed?
End Of Sie
ON-BOARD DIAGNOSTIC [AUDIO]
INSPECTION
INSPECTION
Yes Go to net step.
No Reconnect connector, then go to net step.
Yes Go to net step.
No Securely install CD changer (eternal type), then go to net
step.
Yes Replace base unit and CD changer (eternal type).
No Troubleshooting completed.
Yes Go to net step.
No Repair connector, then go to net step.
Yes Go to net step.
No Securely install CD changer (upper module), then go to
net step.
Yes Replace base unit and CD changer (upper module).
No Troubleshooting completed.
A6E817566900W09
ACTION
A6E817566900W10
ACTION
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