Infiniti FX35, FX50 (S51). Manual — part 123
AV
U121B AV CONTROL UNIT
AV-265
< DTC/CIRCUIT DIAGNOSIS >
[NAVIGATION (SINGLE MONITOR)]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
U121B AV CONTROL UNIT
DTC Logic
INFOID:0000000005475662
Diagnosis Procedure
INFOID:0000000005475663
1.
CHECK MUSIC BOX FUNCTION
Is music box function normal?
YES
>> Malfunction may be detected transitory.
NO
>> Replace AV control unit. Refer to
DTC
Display contents of
CONSULT-III
DTC detection condition
Possible malfunction factor
U121B
HDD COMM
[U121B]
AV control unit malfunction is detected.
• If the music box function has no
malfunctions, then there is a possi-
bility of the detection of a temporary
malfunction.
• Replace the AV control unit if the
malfunction occurs constantly.
AV-266
< DTC/CIRCUIT DIAGNOSIS >
[NAVIGATION (SINGLE MONITOR)]
U121C AV CONTROL UNIT
U121C AV CONTROL UNIT
DTC Logic
INFOID:0000000005475665
Diagnosis Procedure
INFOID:0000000005475666
1.
CHECK MUSIC BOX FUNCTION
Is music box function normal?
YES
>> Malfunction may be detected transitory.
NO
>> Replace AV control unit. Refer to
DTC
Display contents of
CONSULT-III
DTC detection condition
Possible malfunction factor
U121C
HDD ACCESS
[U121C]
AV control unit malfunction is detected.
• If the music box function has no
malfunctions, then there is a possi-
bility of the detection of a temporary
malfunction.
• Replace the AV control unit if the
malfunction occurs constantly.
AV
U121D AV CONTROL UNIT
AV-267
< DTC/CIRCUIT DIAGNOSIS >
[NAVIGATION (SINGLE MONITOR)]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
U121D AV CONTROL UNIT
DTC Logic
INFOID:0000000005475668
Diagnosis Procedure
INFOID:0000000005475669
1.
CHECK PLAYBACK OF A DISK (CD)
Can a disk (CD) be played?
YES
>> Malfunction may be detected transitory.
NO
>> Replace AV control unit. Refer to
DTC
Display contents of
CONSULT-III
DTC detection condition
Possible malfunction factor
U121D
DSP CONN
[U121D]
AV control unit malfunction is detected.
• If a disc can be played, then there
is a possibility of the detection of a
temporary malfunction.
• Replace the AV control unit if the
malfunction occurs constantly.
AV-268
< DTC/CIRCUIT DIAGNOSIS >
[NAVIGATION (SINGLE MONITOR)]
U121E AV CONTROL UNIT
U121E AV CONTROL UNIT
DTC Logic
INFOID:0000000005475671
Diagnosis Procedure
INFOID:0000000005475672
1.
CHECK PLAYBACK OF A DISK (CD)
Can a disk (CD) be played?
YES
>> Malfunction may be detected transitory.
NO
>> Replace AV control unit. Refer to
DTC
Display contents of
CONSULT-III
DTC detection condition
Possible malfunction factor
U121E
DSP COMM
[U121E]
AV control unit malfunction is detected.
• If a disc can be played, then there
is a possibility of the detection of a
temporary malfunction.
• Replace the AV control unit if the
malfunction occurs constantly.
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