Nissan Maxima. Instruction — part 138
AV-372
< DTC/CIRCUIT DIAGNOSIS >
[COLOR DISPLAY - W/ BOSE]
U121D AV CONTROL UNIT
U121D AV CONTROL UNIT
DTC Logic
INFOID:0000000009471317
Diagnosis Procedure
INFOID:0000000009471318
1.
CHECK PLAYBACK OF A DISK (CD)
Can a disk (CD) be played?
YES
>> Malfunction may be detected intermittently.
NO
>> Replace AV control unit. Refer to
AV-481, "Removal and Installation"
.
DTC
Display contents of
CONSULT
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. Re-
fer to
AV
U121E AV CONTROL UNIT
AV-373
< DTC/CIRCUIT DIAGNOSIS >
[COLOR DISPLAY - W/ BOSE]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
U121E AV CONTROL UNIT
DTC Logic
INFOID:0000000009471319
Diagnosis Procedure
INFOID:0000000009471320
1.
CHECK PLAYBACK OF A DISK (CD)
Can a disk (CD) be played?
YES
>> Malfunction may be detected intermittently.
NO
>> Replace AV control unit. Refer to
AV-481, "Removal and Installation"
.
DTC
Display contents of
CONSULT
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. Re-
fer to
.
AV-374
< DTC/CIRCUIT DIAGNOSIS >
[COLOR DISPLAY - W/ BOSE]
U1225 AV CONTROL UNIT
U1225 AV CONTROL UNIT
DTC Logic
INFOID:0000000009471321
DTC DETECTION LOGIC
DTC
Display contents of CON-
SULT
DTC detection condition
Possible malfunction factor
U1225
USB CONTROLLER
[U1225]
USB connection malfunction is detected.
Check that the connection to the USB con-
nector is normal.
AV
U1227 AV CONTROL UNIT
AV-375
< DTC/CIRCUIT DIAGNOSIS >
[COLOR DISPLAY - W/ BOSE]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
U1227 AV CONTROL UNIT
DTC Logic
INFOID:0000000009471322
Diagnosis Procedure
INFOID:0000000009471323
1.
CHECK PLAYBACK OF A DISK (DVD)
Can a disc (DVD) be played?
YES
>> Malfunction may be detected intermittently.
NO
>> Replace AV control unit. Refer to
AV-481, "Removal and Installation"
.
DTC
Display contents of
CONSULT
DTC detection condition
Possible malfunction factor
U1227
DVD COMM [U1227]
AV control unit malfunction is detected.
• If DVD 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. Re-
fer to
.
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