Mazda 2007 CX-9, Service Highlights

Page: 531 / 614

ENTERTAINMENT
09-20–21
09-20
DTC table
Diagnostic Assist Function
•
The diagnostic assist function displays the operating condition of the following functions (components) and
forces them to operate in order to examine whether they are malfunctioning or not.
•
For the start procedure of each mode, refer to the Service Section.
Audio amplifier connection (With touch panel type audio)
•
Displays the audio amplifier connection status on
the information display and examines the audio
amplifier, wiring harness, and connector.
Audio unit connection (With touch panel type audio)
•
Displays the audio unit connection status on the
information display and examines the audio unit,
wiring harness, and connector.
Screen display
Detection condition Possible cause/inspection
DTC
(Standard audio)
Item
(Touch panel type
audio)
26: Er81 CAN Bus — CAN system malfunction
26: Er82 MIC Short
Short to power supply in wiring harness
between microphone (Input signal) and
HF/TEL unit Wring harness between microphone
(Input signal) and HF/TEL unit
26: Er83 MIC P Fail
Short to GND/power supply in
microphone power supply circuit Wring harness between microphone
(Input signal) and HF/TEL unit
26: Er84 MIC Off
Any of the following is detected:
•
The microphone power supply circuit
is not connected.
•
Open circuit in the microphone input
circuit
•
Microphone input circuit short to
body ground
Poor contact in the microphone or
hands-free telephone unit (HF/TEL unit)
connector
26: Er85 Button Stack
Hands-free telephone switch (HF/TEL
switch) malfunction Poor contact in the hands-free telephone
switch or hands-free telephone unit (HF/
TEL unit) connector
26: Er86 Self Test HF/TEL unit malfunction HF/TEL unit malfunction
no Err — No DTCs stored No DTCs stored
WHEN THE AUDIO AMPLIFIER IS CONNECTED
WHEN THE AUDIO AMPLIFIER IS NOT CONNECTED
ac9uun00000428
WHEN THE AUDIO UNIT IS CONNECTED
WHEN THE AUDIO UNIT IS NOT CONNECTED
ac9uun00000429
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