Nissan Maxima. Manual - part 133
AV-352
< SYSTEM DESCRIPTION >
[COLOR DISPLAY - W/ BOSE]
DIAGNOSIS SYSTEM (AV CONTROL UNIT)
2. Diagnosis results are displayed after the self-diagnosis is com-
pleted. The unit names and the connection lines are color-coded
according to the diagnostic results.
NOTE:
• Only the control unit (AV control unit) is displayed in red.
• Replace AV control unit if “Self-Diagnosis did not run because of a control unit malfunction” is indicated. The symptom is AV con-
trol unit internal error.
-
If multiple errors occur at the same time for a single unit, the screen switch colors are determined accord-
ing to the following order of priority: red > gray.
-
The comments of the self-diagnosis results can be viewed with a
component in the diagnosis result screen.
SELF-DIAGNOSIS RESULTS
Check the applicable display at the following table, and then repair the malfunctioning parts.
NOTE:
Because the start condition of diagnosis function is a switch operation, the on board diagnosis function cannot
be started up if any malfunction is detected in the AV communication circuit between AV control unit and multi-
function switch.
Self-diagnosis Result Chart
Diagnosis results
Unit
Con-
nection
line
Normal
Green
Green
Connection malfunction
Gray
Yellow
Unit malfunction
Note
Red
Green
AWNIA1973GB
AWNIA1960GB
Diagnosis results
Detection logic
Possible malfunction location / Action
to take
Malfunction is detected in AV control
unit power supply and ground circuits.
Check AV control unit power supply
and ground circuits. When detecting no
malfunction in those components, re-
place AV control unit.
NOTE:
When a control unit malfunction is detected (red in
unit display), connection malfunctions with other
connection unit may be displayed.
“Self-Diagnosis did not run because of a control unit
malfunction”
AWNIA1974GB