Nissan Murano Z51. Manual — part 212
AV
U1244 GPS ANTENNA
AV-627
< DTC/CIRCUIT DIAGNOSIS >
[BOSE AUDIO WITH NAVIGATION]
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U1244 GPS ANTENNA
Description
INFOID:0000000005528747
DTC Logic
INFOID:0000000005528748
Diagnosis Procedure
INFOID:0000000005528749
1.
GPS ANTENNA CHECK
Visually check GPS antenna and antenna feeder.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair malfunctioning parts.
2.
CHECK AV CONTROL UNIT VOLTAGE
1.
Disconnect GPS antenna connector.
2.
Turn ignition switch ON.
3.
Check voltage between AV control unit terminal and ground.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace AV control unit.
Part name
Description
GPS ANTENNA
GPS signal is received and transmitted to AV control unit.
DTC
Display contents of
CONSULT-III
DTC Detection Condition
Possible causes
U1244
GPS ANTENNA CONN
[U1244]
GPS antenna connection malfunction is detected.
GPS antenna disconnection.
(+)
(
−
)
Voltage
(Approx.)
AV control unit
Connector
Terminal
M380
110
Ground
5.0 V
AV-628
< DTC/CIRCUIT DIAGNOSIS >
[BOSE AUDIO WITH NAVIGATION]
U1250 CAMERA CONTROL UNIT
U1250 CAMERA CONTROL UNIT
Description
INFOID:0000000005528750
DTC Logic
INFOID:0000000005528751
Diagnosis Procedure
INFOID:0000000005528752
1.
CHECK CAMERA-CONNECTION RECOGNITION SIGNAL CIRCUIT
1.
Disconnect AV control unit connector and camera control unit connector.
2.
Check continuity between AV control unit harness connector and camera control unit harness connector.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair harness or connector.
2.
CHECK AV CONTROL UNIT VOLTAGE
1.
Connect AV control unit connector.
2.
Turn ignition switch ON.
3.
Check voltage between AV control unit harness connector and ground.
Is the inspection result normal?
YES
>> Replace camera control unit.
NO
>> Replace AV control unit.
Part name
Description
CAMERA CONTROL UNIT
• Camera image signal is input from rear view camera, and camera image is in-
dicated on the display.
• Power (camera ON signal) is transmitted to rear view camera.
• Controlled by AV communication transmitted from AV control unit.
• AV control unit recognizes the presence of camera system with camera con-
nection recognition signal.
DTC
Display contents of
CONSULT-III
DTC Detection Condition
Possible causes
U1250
CAMERA CONT. CONN
[U1250]
Malfunction is detected in camera connection recognition
circuit between AV control unit and camera control unit.
Camera-connection recognition cir-
cuit between AV control unit and cam-
era control unit.
AV control unit
Camera control unit
Continuity
Connector
Terminal
Connector
Terminal
M145
40
B60
14
Existed
(+)
(
−
)
Voltage
(Approx.)
AV control unit
Connector
Terminal
M145
40
Ground
5.0 V
AV
U1258 SATELLITE RADIO ANTENNA
AV-629
< DTC/CIRCUIT DIAGNOSIS >
[BOSE AUDIO WITH NAVIGATION]
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U1258 SATELLITE RADIO ANTENNA
Description
INFOID:0000000005528753
DTC Logic
INFOID:0000000005528754
Diagnosis Procedure
INFOID:0000000005528755
1.
SATELLITE RADIO ANTENNA CHECK
Visually check satellite radio antenna and antenna feeder.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair malfunctioning parts.
2.
CHECK AV CONTROL UNIT VOLTAGE
1.
Disconnect satellite radio antenna connector.
2.
Turn ignition switch ON.
3.
Check voltage between AV control unit terminal and ground.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace AV control unit.
Part name
Description
SATELLITE RADIO ANTENNA
Satellite radio waves are received and transmitted to AV control unit.
DTC
Display contents of
CONSULT-III
DTC Detection Condition
Possible causes
U1258
XM ANTENNA CONN
[U1258]
Satellite radio antenna connection malfunction is detect-
ed.
• Satellite radio antenna feeder.
• Satellite radio antenna.
(+)
(
−
)
Voltage
(Approx.)
AV control unit
Connector
Terminal
M372
108
Ground
5.0 V
AV-630
< DTC/CIRCUIT DIAGNOSIS >
[BOSE AUDIO WITH NAVIGATION]
U1300 AV COMM CIRCUIT
U1300 AV COMM CIRCUIT
Description
INFOID:0000000005528756
U1300 is indicated when malfunction occurs in communication signal of multi AV system. Indicated simulta-
neously, without fail, with the malfunction of control units connected to AV control unit with communication line.
Determine the possible malfunction cause from the table below.
SELF-DIAGNOSIS RESULTS DISPLAY ITEM
NOTE:
*: Non-equipped item is not displayed.
DTC
Display contents of
CONSULT-III
Description
Possible malfunction factor/Action to
take
U1300
U121F
• AV COMM CIRCUIT
[U1300]
• INTERNAL COMM
[U121F]
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.
U1300
U1240
• 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.
U1300
U1252
• 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 circuits between multifunction and
camera control unit are malfunctioning.
• AV communication signal between AV control unit and
camera control unit is malfunctioning.
• Camera control unit power supply
and ground circuits.
• AV communication circuits between
multifunction switch and camera
control unit.
U1300
U1254
• 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 multifunction
switch and iPod adapter are malfunctioning.
• AV communication signal between AV control unit and
iPod adapter is malfunctioning.
• iPod adapter power supply and
ground circuits.
• AV communication circuits between
multifunction switch unit and iPod
adapter.
U1300
U1252
U1254
*
• AV COMM CIRCUIT
[U1300]
• REAR CAMERA LAN
CONN [U1252]
• IPod CONN [U1254]
*
Malfunction is detected in AV communication circuits be-
tween camera control unit and the junction of AV control
unit and multifunction switch.
AV communication circuits between
camera control unit and the junction of
AV control unit and multifunction
switch.
U1300
U1240
U1252
U1254
*
• AV COMM CIRCUIT
[U1300]
• SWITCH CONN
[U1240]
• REAR CAMERA LAN
CONN [U1252]
• IPod CONN [U1254]
*
Malfunction is detected in AV communication circuits be-
tween AV control unit and multifunction switch.
AV communication circuits between AV
control unit and the junction of camera
control unit and multifunction switch.
U1300
U121F
U1240
U1252
U1254
*
• AV COMM CIRCUIT
[U1300]
• INTERNAL COMM
[U121F]
• SWITCH CONN
[U1240]
• REAR CAMERA LAN
CONN [U1252]
• IPod CONN [U1254]*
Malfunction is detected in AV communication circuits.
Check and repair the short circuit in AV
communication circuits.
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