Nissan Murano Z51. Manual — part 210
AV
U121E AV CONTROL UNIT
AV-619
< DTC/CIRCUIT DIAGNOSIS >
[BOSE AUDIO WITH NAVIGATION]
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U121E AV CONTROL UNIT
Description
INFOID:0000000005528727
Replace the AV control unit if this DTC is displayed. Refer to
DTC Logic
INFOID:0000000005528728
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, A/C auto amp. and combination meter via CAN com-
munication to obtain 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
U121E
DSP COMM
[U121E]
Internal malfunction of AV control unit (DSP communica-
tion error) is detected.
Replace AV control unit.
AV-620
< DTC/CIRCUIT DIAGNOSIS >
[BOSE AUDIO WITH NAVIGATION]
U121F AV CONTROL UNIT
U121F AV CONTROL UNIT
Description
INFOID:0000000005528729
Replace the AV control unit if this DTC is displayed. Refer to
.
DTC Logic
INFOID:0000000005528730
Diagnosis Procedure
INFOID:0000000005528731
1.
CHECK AV CONTROL UNIT POWER SUPPLY AND GROUND CIRCUIT
Check AV control unit power supply and ground circuit. Refer to
AV-631, "AV CONTROL UNIT : Diagnosis
.
Is the inspection result normal?
YES
>> Replace AV control unit.
NO
>> Repair or replace malfunctioning parts.
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, A/C auto amp. and combination meter via CAN com-
munication to obtain 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
U121F
INTERNAL COMM
[U121F]
Internal malfunction of AV control unit (internal communi-
cation error) is detected.
AV control unit power supply and
ground circuit.
AV
U1204 GPS
AV-621
< DTC/CIRCUIT DIAGNOSIS >
[BOSE AUDIO WITH NAVIGATION]
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U1204 GPS
Description
INFOID:0000000005528732
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:0000000005528733
Diagnosis Procedure
INFOID:0000000005528734
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
U1204
GPS CONN
[U1204]
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-622
< DTC/CIRCUIT DIAGNOSIS >
[BOSE AUDIO WITH NAVIGATION]
U1205 GPS
U1205 GPS
Description
INFOID:0000000005528735
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:0000000005528736
Diagnosis Procedure
INFOID:0000000005528737
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
U1205
GPS ROM
[U1205]
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.
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