Nissan Murano Z51. Manual — part 77
AV
DIAGNOSIS SYSTEM (AV CONTROL UNIT)
AV-87
< SYSTEM DESCRIPTION >
[BOSE AUDIO WITHOUT NAVIGATION]
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Deletes any unit connection records and error records from the AV
control unit memory. (Clear the records of the unit that has been
removed)
Initialize Settings
Initializes the AV control unit memory.
CONSULT-III Function (MULTI AV)
INFOID:0000000005528478
CONSULT-III functions
CONSULT-III performs the following functions via communication with the AV control unit.
AV COMMUNICATION
When “AV communication” of “CAN Diag Support Monitor” is selected, the following function will be performed.
ECU IDENTIFICATION
The part number of AV control unit is displayed.
SELF DIAGNOSIS RESULT
• In CONSULT-III self-diagnosis, self-diagnosis results and error history are displayed collectively.
• The current malfunction indicates “CRNT”. The past malfunction indicates “PAST”.
• The timing is displayed as “0” if any of the error codes [U1000], [U1010], [U1300] and [U1310] is detected.
The counter increases by 1 if the condition is normal at the next ignition switch ON cycle.
Self-diagnosis Results Display Item
JSNIA0154GB
JSNIA0155GB
Diagnosis mode
Description
Ecu Identification
The part number of AV control unit can be checked.
Self Diagnostic Result
Performs a diagnosis on the AV control unit. A connection diagnosis for the communication cir-
cuit of the MULTI AV system and displays the current and past malfunctions collectively.
Data Monitor
The diagnosis of vehicle signal that is input to the AV control unit can be performed.
AV communication
AV&NAVI C/U
Displays the communication status from AV control unit to each unit as well as the error
counter.
AUDIO
Displays the AV control unit communication status and the error counter.
Error item
Description
Possible malfunction factor/Action to take
CAN COMM CIRCUIT [U1000]
CAN communication malfunction is detect-
ed.
Refer to
.
AV-88
< SYSTEM DESCRIPTION >
[BOSE AUDIO WITHOUT NAVIGATION]
DIAGNOSIS SYSTEM (AV CONTROL UNIT)
CONTROL UNIT (CAN) [U1010]
CAN initial diagnosis malfunction is detect-
ed.
Replace the AV control unit
CONTROL UNIT (AV) [U1310]
AV communication circuit initial diagnosis
malfunction is detected.
Cont Unit FLASH-ROM [U1200]
AV control unit malfunction is detected.
CAN CONT [U1216]
FRONT DISP CONN [U1243]
When either one of the following items are
detected:
• front display unit power supply and
ground circuits are malfunctioning.
• serial communication circuits between
AV control unit and front display unit are
malfunctioning.
• serial communication signal between AV
control unit and front display unit is mal-
functioning.
• Front display unit power supply and
ground circuits.
• Serial communication circuits between
AV control unit and front display unit.
REAR DISP CONN [U1247]
When either one of the following items are
detected:
• rear display unit power supply and
ground circuits are malfunctioning.
• serial communication circuits between
video distributor and rear display unit are
malfunctioning.
• serial communication signal between
video distributor and rear display unit is
malfunctioning.
• Rear display unit power supply and
ground circuits.
• Serial communication circuits between
video distributor and rear display unit.
CAMERA CONT CONN [U1250]
Malfunction is detected in camera connec-
tion recognition circuit between AV control
unit and camera control unit.
Camera-connection recognition circuit be-
tween AV control unit and camera control
unit.
SAT CONN [U1255]
When either one of the following items are
detected:
• satellite radio tuner power supply and
ground circuits are malfunctioning.
• serial communication circuits between
AV control unit and satellite radio tuner
are malfunctioning.
• serial communication or request signal
between AV control unit and satellite ra-
dio tuner is malfunctioning.
• request signal circuit between AV control
unit and satellite radio tuner is malfunc-
tioning.
• Satellite radio tuner power supply and
ground circuits.
• Serial communication circuits between
AV control unit and satellite radio tuner.
• Request signal circuit between AV con-
trol unit and satellite radio tuner.
• AV COMM CIRCUIT [U1300]
• SWITCH CONN [U1240]
When either one of the following items are
detected:
• multifunction switch power supply and
ground circuits are malfunctioning.
• AV communication circuits between AV
control unit and multifunction switch are
malfunctioning.
• AV communication signal between AV
control unit and multifunction switch is
malfunctioning.
• Multifunction switch power supply and
ground circuits.
• AV communication circuits between AV
control unit and multifunction switch.
• AV COMM CIRCUIT [U1300]
• VIDEO DIST CONN [U1246]
When either one of the following items are
detected:
• video distributor power supply and
ground circuits are malfunctioning.
• AV communication signal between AV
control unit and video distributor is mal-
functioning.
Video distributor power supply and ground
circuits.
Error item
Description
Possible malfunction factor/Action to take
AV
DIAGNOSIS SYSTEM (AV CONTROL UNIT)
AV-89
< SYSTEM DESCRIPTION >
[BOSE AUDIO WITHOUT NAVIGATION]
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• AV COMM CIRCUIT [U1300]
• DVD DECK CONN [U1248]
When either one of the following items are
detected:
• DVD player power supply and ground cir-
cuits are malfunctioning.
• AV communication signal between AV
control unit and DVD player is malfunc-
tioning.
DVD player power supply and ground cir-
cuits.
• AV COMM CIRCUIT [U1300]
• REAR CAMERA LAN CONN [U1252]
When either one of the following items are
detected:
• camera control unit power supply and
ground circuits are malfunctioning.
• AV communication signal between AV
control unit and camera control unit is
malfunctioning.
• AV communication circuits between mul-
tifunction switch and camera control unit
is malfunctioning. (Without DVD enter-
tainment system models)
• Camera control unit power supply and
ground circuits.
• AV communication circuits between mul-
tifunction switch and camera control unit.
(Without DVD entertainment system
models)
• AV COMM CIRCUIT [U1300]
• IPod CONN [U1254]
When either one of the following items are
detected:
• iPod adapter power supply and ground
circuits are malfunctioning.
• AV communication circuits between mul-
tifunction switch and iPod adapter are
malfunctioning.
• AV communication signal between AV
control unit and iPod adapter is malfunc-
tioning.
• iPod adapter power supply and ground
circuits.
• AV communication circuits between mul-
tifunction switch unit and iPod adapter.
• AV COMM CIRCUIT [U1300]
• HAND FREE CONN [U1256]
When either one of the following items are
detected:
• TEL adapter unit power supply and
ground circuits are malfunctioning.
• AV communication circuits between cam-
era control unit and TEL adapter unit are
malfunctioning.
• AV communication signal between AV
control unit and TEL adapter unit is mal-
functioning.
• TEL adapter unit power supply and
ground circuits.
• AV communication circuits between cam-
era control unit and TEL adapter unit.
• AV communication circuits between mul-
tifunction switch and TEL adapter unit.
(without rear view camera models)
• AV COMM CIRCUIT [U1300]
• REAR CAMERA LAN CONN [U1252]
• HAND FREE CONN [U1256]
*
When either one of the following items are
detected:
• AV communication circuits between mul-
tifunction switch and camera control unit
are malfunctioning. (without DVD player
models)
• AV communication circuits between DVD
player and camera control unit are mal-
functioning. (with DVD player models)
• AV communication circuits between mul-
tifunction switch and camera control unit.
(without DVD player models)
• AV communication circuits between DVD
player and camera control unit. (with
DVD player models)
• AV COMM CIRCUIT [U1300]
• DVD DECK CONN [U1248]
• REAR CAMERA LAN CONN [U1252]
• HAND FREE CONN [U1256]
Malfunction is detected in AV communica-
tion circuits between video distributor and
DVD player.
AV communication circuits between video
distributor and DVD player.
• AV COMM CIRCUIT [U1300]
• VIDEO DIST CONN [U1246]
• DVD DECK CONN [U1248]
• REAR CAMERA LAN CONN [U1252]
• IPod CONN [U1254]
• HAND FREE CONN [U1256]
Malfunction is detected in AV communica-
tion circuits between multifunction switch
and iPod adapter.
AV communication circuits between multi-
function switch and iPod adapter.
• AV COMM CIRCUIT [U1300]
• VIDEO DIST CONN [U1246]
• DVD DECK CONN [U1248]
• REAR CAMERA LAN CONN [U1252]
• HAND FREE CONN [U1256]
Malfunction is detected in AV communica-
tion circuits between multifunction switch
and video distributor.
AV communication circuits between multi-
function switch and video distributor.
Error item
Description
Possible malfunction factor/Action to take
AV-90
< SYSTEM DESCRIPTION >
[BOSE AUDIO WITHOUT NAVIGATION]
DIAGNOSIS SYSTEM (AV CONTROL UNIT)
NOTE:
*: Non-equipped item is not displayed.
DATA MONITOR
ALL SIGNALS
• Displays the status of the following vehicle signals inputted into the AV control unit.
• For each signal, the actual signal can be compared the condition recognized on the system.
SELECTION FROM MENU
Allows the technician to select which vehicle signals should be displayed and displays the status of the
selected vehicle signals.
• AV COMM CIRCUIT [U1300]
• SWITCH CONN [U1240]
• IPod CONN [U1254]
*
• HAND FREE CONN [U1256]
*
When either one of the following items are
detected:
• AV communication circuits between AV
control unit and the branch point multi-
function switch.
• AV communication circuits are malfunc-
tioning.
• AV communication circuits between AV
control unit and the branch point multi-
function switch.
• Check and repair the short circuit in AV
communication circuits.
• AV COMM CIRCUIT [U1300]
• SWITCH CONN [U1240]
• VIDEO DIST CONN [U1246]
• DVD DECK CONN [U1248]
• REAR CAMERA LAN CONN [U1252]
• IPod CONN [U1254]
• HAND FREE CONN [U1256]
Error item
Description
Possible malfunction factor/Action to take
Display Item
Dis-
play
Vehicle status
Remarks
VHCL SPD SIG
On
Vehicle speed >0 km/h (0 MPH)
Changes in indication may be delayed. This is nor-
mal.
Off
Vehicle speed =0 km/h (0 MPH)
PKB SIG
On
Parking brake is applied.
Off
Parking brake is released.
ILLUM SIG
On
Light switch ON
—
Off
Light switch OFF
IGN SIG
On
Ignition switch ON
Off
Ignition switch in ACC position
REV SIG
On
Shift the selector lever to the “R” posi-
tion
Changes in indication may be delayed. This is nor-
mal.
Off
Shift the selector lever other than the
“R” position
Item to be selected
Description
VHCL SPD SIG
The same as when “ALL SIGNALS”
is selected.
PKB SIG
ILLUM SIG
IGN SIG
REV SIG
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