Nissan Murano Z51. Manual — part 211
AV
U1206 GPS
AV-623
< DTC/CIRCUIT DIAGNOSIS >
[BOSE AUDIO WITH NAVIGATION]
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U1206 GPS
Description
INFOID:0000000005528738
An intermittent error caused by strong radio interference may be detected unless any symptom (GPS recep-
tion error, etc.) occurs. Replace the AV control unit if the malfunction occurs constantly. Refer to
DTC Logic
INFOID:0000000005528739
Diagnosis Procedure
INFOID:0000000005528740
1.
PERFORM THE SELF-DIAGNOSIS
1.
Delete the self-diagnosis results. Turn ignition switch OFF.
2.
Turn ignition switch ON. Perform the self-diagnosis again.
3.
Check that the DTC is detected again.
Is any DTC detected?
YES
>> Replace AV control unit.
NO
>> The intermittent malfunction caused by strong radio interference can be detected.
Part name
Description
AV CONTROL UNIT
• Integrates hard disk drive (HDD) allowing map data and music data to be
stored.
• It is the master unit of the MULTI AV system, and it is connected to each control
unit by communication. It operates each system according to communication
signals from the AV control unit.
• The AV control unit includes the audio, hands-free phone, voice control, navi-
gation, satellite radio, and vehicle information functions.
• It is connected to ECM and combination meter via CAN communication to ob-
tain necessary information for the vehicle information function.
• It is connected to BCM via CAN communication transmitting/receiving for the
vehicle settings function.
• It inputs the illumination signals that are required for the display dimming con-
trol.
• It inputs the signals for driving status recognition (vehicle speed, reverse and
parking brake).
• Update of map data is performed with the CONSULT-III and the applicable ca-
ble.
• It includes the TEL adapter and Bluetooth
™
function.
DTC
Display contents of
CONSULT-III
DTC Detection Condition
Action to take
U1206
GPS RAM
[U1206]
Internal malfunction of AV control unit (GPS malfunction)
is detected.
An intermittent error caused by strong
radio interference may be detected
unless a symptom (GPS reception er-
ror, etc.) occurs.
Replace the AV control unit if the mal-
function occurs constantly.
AV-624
< DTC/CIRCUIT DIAGNOSIS >
[BOSE AUDIO WITH NAVIGATION]
U1207 GPS
U1207 GPS
Description
INFOID:0000000005528741
An intermittent error caused by strong radio interference may be detected unless any symptom (GPS recep-
tion error, etc.) occurs. Replace the AV control unit if the malfunction occurs constantly. Refer to
DTC Logic
INFOID:0000000005528742
Diagnosis Procedure
INFOID:0000000005528743
1.
PERFORM THE SELF-DIAGNOSIS
1.
Delete the self-diagnosis results. Turn ignition switch OFF.
2.
Turn ignition switch ON. Perform the self-diagnosis again.
3.
Check that the DTC is detected again.
Is any DTC detected?
YES
>> Replace AV control unit.
NO
>> The intermittent malfunction caused by strong radio interference can be detected.
Part name
Description
AV CONTROL UNIT
• Integrates hard disk drive (HDD) allowing map data and music data to be
stored.
• It is the master unit of the MULTI AV system, and it is connected to each control
unit by communication. It operates each system according to communication
signals from the AV control unit.
• The AV control unit includes the audio, hands-free phone, voice control, navi-
gation, satellite radio, and vehicle information functions.
• It is connected to ECM and combination meter via CAN communication to ob-
tain necessary information for the vehicle information function.
• It is connected to BCM via CAN communication transmitting/receiving for the
vehicle settings function.
• It inputs the illumination signals that are required for the display dimming con-
trol.
• It inputs the signals for driving status recognition (vehicle speed, reverse and
parking brake).
• Update of map data is performed with the CONSULT-III and the applicable ca-
ble.
• It includes the TEL adapter and Bluetooth
™
function.
DTC
Display contents of
CONSULT-III
DTC Detection Condition
Action to take
U1207
GPS RTC
[U1207]
Internal malfunction of AV control unit (GPS malfunction)
is detected.
An intermittent error caused by strong
radio interference may be detected
unless a symptom (GPS reception er-
ror, etc.) occurs.
Replace the AV control unit if the mal-
function occurs constantly.
AV
U1243 DISPLAY UNIT
AV-625
< DTC/CIRCUIT DIAGNOSIS >
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U1243 DISPLAY UNIT
Description
INFOID:0000000005528744
DTC Logic
INFOID:0000000005528745
Diagnosis Procedure
INFOID:0000000005528746
1.
CHECK FRONT DISPLAY UNIT POWER SUPPLY AND GROUND CIRCUIT
Check front display unit power supply and ground circuit. Refer to
AV-631, "FRONT DISPLAY UNIT : Diagno-
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair malfunctioning parts.
2.
CHECK CONTINUITY COMMUNICATION CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect front display unit connector and AV control unit connector.
3.
Check continuity between front display unit harness connector and AV control unit harness connector.
4.
Check continuity between front display unit harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair harness or connector.
3.
CHECK COMMUNICATION SIGNAL
1.
Connect front display unit connector and AV control unit connector.
Part name
Description
FRONT DISPLAY UNIT
• Front display image is controlled by the serial communication from AV control
unit.
• RGB image signal is input from AV control unit (RGB, RGB area and RGB syn-
chronizing). Auxiliary image signal is input from the auxiliary input jack. Cam-
era image signal is input from camera control unit.
• Synchronize signal (HP, VP) is output to AV control unit.
• Touch panel function can be operated for each system by touching a display
directly.
DTC
Display contents of
CONSULT-III
DTC Detection Condition
Possible causes
U1243
FRONT DISP CONN
[U1243]
When either one of the following items are detected:
• 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 malfunctioning.
• Front display unit power supply and
ground circuits.
• Serial communication circuits be-
tween AV control unit and display
unit.
Front display unit
AV control unit
Continuity
Connector
Terminals
Connector
Terminals
M49
11
M146
70
Existed
22
71
Front display unit
Ground
Continuity
Connector
Terminals
M49
11
Not existed
22
AV-626
< DTC/CIRCUIT DIAGNOSIS >
[BOSE AUDIO WITH NAVIGATION]
U1243 DISPLAY UNIT
2.
Turn ignition switch ON.
3.
Check signal between front display unit harness connector terminal and ground using an oscilloscope.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Replace AV control unit.
4.
CHECK COMMUNICATION SIGNAL
Check signal between display unit harness connector and ground using an oscilloscope.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace front display unit.
(+)
(
−
)
Condition
Signal
Front display unit
Connector
Terminal
M49
11
Ground
When adjusting display bright
ness.
PKIB5039J
(+)
(
−
)
Condition
Signal
Front display unit
Connector
Terminal
M49
22
Ground
When adjusting display bright
ness.
PKIB5039J
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