Infiniti QX56 (JA60). Manual — part 59
AV-44
< COMPONENT DIAGNOSIS >
[AUDIO SYSTEM]
U1201 AV CONTROL UNIT
U1201 AV CONTROL UNIT
Description
INFOID:0000000005146253
Replace the AV control unit if this DTC is displayed. Refer to
AV-169, "Removal and Installation"
.
DTC Logic
INFOID:0000000005146254
DTC DETECTION LOGIC
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 means of communication. It operates each system according to com-
munication signals from the AV control unit.
• The AV control unit includes the audio, hands-free phone, voice control, navi-
gation, 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 inputs the automatic brightness ON/OFF signals that are required for the dis-
play dimming control.
• It inputs the signals for driving status recognition (vehicle speed, reverse and
parking brake).
DTC
CONSULT-III display
Detection condition
Action to take
U1201
GYRO NO CONN
[U1201]
An internal malfunction is detected in AV control unit (gy-
rocompass disconnection).
AV
U1204 GPS COMM
AV-45
< COMPONENT DIAGNOSIS >
[AUDIO SYSTEM]
C
D
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F
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A
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U1204 GPS COMM
Description
INFOID:0000000005146255
Replace the AV control unit if this DTC is displayed. Refer to
AV-169, "Removal and Installation"
.
DTC Logic
INFOID:0000000005146256
DTC DETECTION LOGIC
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 means of communication. It operates each system according to com-
munication signals from the AV control unit.
• The AV control unit includes the audio, hands-free phone, voice control, navi-
gation, 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 inputs the automatic brightness ON/OFF signals that are required for the dis-
play dimming control.
• It inputs the signals for driving status recognition (vehicle speed, reverse and
parking brake).
DTC
CONSULT-III display
Detection condition
Action to take
U1204
GPS COMM
[U1204]
An internal malfunction is detected in AV control unit (GPS
malfunction).
Replace AV control unit. Refer
to
AV-46
< COMPONENT DIAGNOSIS >
[AUDIO SYSTEM]
U1205 GPS ROM
U1205 GPS ROM
Description
INFOID:0000000005146257
Replace the AV control unit if this DTC is displayed. Refer to
AV-169, "Removal and Installation"
.
DTC Logic
INFOID:0000000005146258
DTC DETECTION LOGIC
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 means of communication. It operates each system according to com-
munication signals from the AV control unit.
• The AV control unit includes the audio, hands-free phone, voice control, navi-
gation, 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 inputs the automatic brightness ON/OFF signals that are required for the dis-
play dimming control.
• It inputs the signals for driving status recognition (vehicle speed, reverse and
parking brake).
DTC
CONSULT-III display
Detection condition
Action to take
U1205
GPS ROM
[U1205]
An internal malfunction is detected in AV control unit (GPS
malfunction).
AV
U1206 GPS RAM
AV-47
< COMPONENT DIAGNOSIS >
[AUDIO SYSTEM]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
U1206 GPS RAM
Description
INFOID:0000000005146259
Replace the AV control unit if this DTC is displayed. Refer to
AV-169, "Removal and Installation"
.
DTC Logic
INFOID:0000000005146260
DTC DETECTION LOGIC
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 means of communication. It operates each system according to com-
munication signals from the AV control unit.
• The AV control unit includes the audio, hands-free phone, voice control, navi-
gation, 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 inputs the automatic brightness ON/OFF signals that are required for the dis-
play dimming control.
• It inputs the signals for driving status recognition (vehicle speed, reverse and
parking brake).
DTC
CONSULT-III display
Detection condition
Action to take
U1206
GPS RAM
[U1206]
An internal malfunction is detected in AV control unit (GPS
malfunction).
Replace AV control unit. Refer
to
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