Nissan Maxima. Instruction — part 136
AV-364
< DTC/CIRCUIT DIAGNOSIS >
[COLOR DISPLAY - W/ BOSE]
U1010 CONTROL UNIT (CAN)
U1010 CONTROL UNIT (CAN)
Description
INFOID:0000000009471305
Initial diagnosis of AV control unit.
DTC Logic
INFOID:0000000009471306
DTC DETECTION LOGIC
Diagnosis Procedure
INFOID:0000000009471307
1.
REPLACE AV CONTROL UNIT
When DTC U1010 is detected, replace AV control unit. Refer to
AV-481, "Removal and Installation"
.
>> Inspection End.
DTC
Display contents of CON-
SULT
Diagnostic item is detected when ...
Probable malfunction location
U1010
CONTROL UNIT (CAN)
CAN initial diagnosis malfunction is detected.
AV control unit.
AV
U1200 AV CONTROL UNIT
AV-365
< DTC/CIRCUIT DIAGNOSIS >
[COLOR DISPLAY - W/ BOSE]
C
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U1200 AV CONTROL UNIT
Description
INFOID:0000000009471308
Replace the AV control unit if this DTC is displayed. Refer to
AV-481, "Removal and Installation"
.
DTC Logic
INFOID:0000000009471309
Part name
Description
AV CONTROL UNIT
• 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.
• AV control unit includes audio function and vehicle information function.
• 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
Display contents of CONSULT
DTC Detection Condition
Action to take
U1200
Control Unit
FLASH- ROM
[U1200]
An internal malfunction is detected in AV control unit
(FLASH-ROM).
Replace AV control unit. Re-
fer to
.
AV-366
< DTC/CIRCUIT DIAGNOSIS >
[COLOR DISPLAY - W/ BOSE]
U1216 AV CONTROL UNIT
U1216 AV CONTROL UNIT
Description
INFOID:0000000009471310
Replace the AV control unit if this DTC is displayed. Refer to
AV-481, "Removal and Installation"
.
DTC Logic
INFOID:0000000009471311
Part name
Description
AV CONTROL UNIT
• 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.
• AV control unit includes audio function and vehicle information function.
• 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
Display contents of CONSULT
DTC Detection Condition
Action to take
U1216
CAN CONT
[U1216]
Internal malfunction of AV control unit (CAN controller) is
detected.
Replace AV control unit.
Refer to
AV
U1218 AV CONTROL UNIT
AV-367
< DTC/CIRCUIT DIAGNOSIS >
[COLOR DISPLAY - W/ BOSE]
C
D
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F
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B
A
O
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U1218 AV CONTROL UNIT
DTC Logic
INFOID:0000000009471312
DTC
Display contents of
CONSULT
DTC detection condition
Possible malfunction factor
U1218
HDD CONN
[U1218]
AV control unit malfunction is detected.
• If the hard disk drive (HDD) is func-
tioning normally, there is a possibil-
ity of a temporary malfunction.
• Replace the AV control unit if the
malfunction occurs constantly. Re-
fer to
.
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