Infiniti G37 Coupe. Manual — part 166
AV
U121A AV CONTROL UNIT
AV-417
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITH NAVIGATION]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
U121A AV CONTROL UNIT
Description
INFOID:0000000001682745
Replace the AV control unit if this DTC is displayed. Refer to
DTC Logic
INFOID:0000000001558811
Part name
Description
AV CONTROL UNIT
• Integrates HDD (hard disk drive) 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 unified meter and A/C amp. via CAN communica-
tion 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).
DTC
Display contents of
CONSULT-III
DTC Detection Condition
Action to take
U121A
HDD-WRITE
[U121A]
Internal malfunction of AV control unit (HDD write mal-
function) is detected.
Replace AV control unit.
AV-418
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITH NAVIGATION]
U121B AV CONTROL UNIT
U121B AV CONTROL UNIT
Description
INFOID:0000000001682746
Replace the AV control unit if this DTC is displayed. Refer to
.
DTC Logic
INFOID:0000000001558813
Part name
Description
AV CONTROL UNIT
• Integrates HDD (hard disk drive) 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 unified meter and A/C amp. via CAN communica-
tion 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).
DTC
Display contents of
CONSULT-III
DTC Detection Condition
Action to take
U121B
HDD-COMM
[U121B]
Internal malfunction of AV control unit (HDD communica-
tion error) is detected.
Replace AV control unit.
AV
U121C AV CONTROL UNIT
AV-419
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITH NAVIGATION]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
U121C AV CONTROL UNIT
Description
INFOID:0000000001682747
Replace the AV control unit if this DTC is displayed. Refer to
DTC Logic
INFOID:0000000001558815
Part name
Description
AV CONTROL UNIT
• Integrates HDD (hard disk drive) 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 unified meter and A/C amp. via CAN communica-
tion 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).
DTC
Display contents of
CONSULT-III
DTC Detection Condition
Action to take
U121C
HDD-ACCESS
[U121C]
Internal malfunction of AV control unit (HDD access error)
is detected.
Replace AV control unit.
AV-420
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITH NAVIGATION]
U121D AV CONTROL UNIT
U121D AV CONTROL UNIT
Description
INFOID:0000000001682748
Replace the AV control unit if this DTC is displayed. Refer to
.
DTC Logic
INFOID:0000000001558817
Part name
Description
AV CONTROL UNIT
• Integrates HDD (hard disk drive) 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 unified meter and A/C amp. via CAN communica-
tion 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).
DTC
Display contents of
CONSULT-III
DTC Detection Condition
Action to take
U121D
DSP CONN
[U121D]
Internal malfunction of AV control unit (DSP connection
error) is detected.
Replace AV control unit.
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст