Nissan Teana J32. Manual - part 95
AV
U1300 AV COMM CIRCUIT
AV-235
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITHOUT NAVIGATION]
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U1300 AV COMM CIRCUIT
Description
INFOID:0000000003765676
U1300 is indicated when malfunction occurs in communication signal of multi AV system. Indicated simulta-
neously, without fail, with the malfunction of control units connected to AV control unit with communication line.
Determine the possible malfunction cause from the table below.
Self-diagnosis results display item
DTC
Display contents of
CONSULT-III
Description
Possible malfunction factor/Action to
take
U1300
U1240
• AV COMM CIRCUIT
[U1300]
• SWITCH CONN
[U1240]
When either one of the following items is detected:
• multifunction switch power supply and ground circuits
are malfunctioning.
• AV communication circuits between AV control unit and
multifunction switch are malfunctioning.
• AV communication signal between AV control unit and
multifunction switch is malfunctioning.
• Multifunction switch power supply
TION SWITCH : Diagnosis Proce-
dure"
.
• AV communication circuits be-
tween AV control unit and multi-
function switch.
U1300
U1248
• AV COMM CIRCUIT
[U1300]
• DVD DECK CONN
[U1248]
When either one of the following items is detected:
• DVD player power supply and ground circuits are mal-
functioning.
• AV communication circuits between BOSE amp. and
DVD player are malfunctioning.
• AV communication signal between AV control unit and
DVD player is malfunctioning.
• DVD player power supply and
• AV communication circuits be-
tween BOSE amp. and DVD player.
U1300
U124E
• AV COMM CIRCUIT
[U1300]
• AMP CONN [U124E]
When either one of the following items is detected:
• BOSE amp. power supply and ground circuits are mal-
functioning.
• AV communication signal between AV control unit and
BOSE amp. is malfunctioned.
BOSE amp. power supply and ground
circuits.
Refer to
U1300
U1252
• AV COMM CIRCUIT
[U1300]
• REAR-CAMERA LAN
CONN [U1252]
Camera control unit power supply and ground circuits are
malfunctioning.
Camera control unit power supply
and ground circuits.
Refer to
TROL UNIT : Diagnosis Procedure"
U1300
U1248
U124E
• AV COMM CIRCUIT
[U1300]
• DVD DECK CONN
[U1248]
• AMP CONN [U124E]
When either one of the following items is detected:
• AV communication circuits between NAVI control unit
and BOSE amp. are malfunctioning.
• AV communication signal between NAVI control unit
and BOSE amp. is malfunctioning.
AV communication circuits between
NAVI control unit and BOSE amp.
U1300
U1248
U124E
U1252
• AV COMM CIRCUIT
[U1300]
• DVD DECK CONN
[U1248]
• AMP CONN [U124E]
• REAR-CAMERA LAN
CONN [U1252]
With rear control switch
When either one of the following items is detected:
• malfunction is detected in AV communication circuits
between rear control switch and camera control unit.
• malfunction is detected in AV communication circuits
between camera control unit and BOSE amp.
• AV communication circuits be-
tween multifunction switch and rear
control switch.
• AV communication circuits be-
tween rear control switch and cam-
era control unit.
Without rear control switch
When either one of the following items is detected:
• malfunction is detected in AV communication circuits
between multifunction switch and camera control unit.
• malfunction is detected in AV communication circuits
between camera control unit and BOSE amp.
AV communication circuits between
multifunction switch and camera con-
trol unit.
U1300
U1240
U1248
U124E
U1252
• AV COMM CIRCUIT
[U1300]
• SWITCH CONN
[U1240]
• DVD DECK CONN
[U1248]
• AMP CONN [U124E]
• REAR-CAMERA LAN
CONN [U1252]
When either one of the following items is detected:
• AV communication circuits between AV control unit and
multifunction switch are malfunctioning.
• AV communication signal between AV control unit and
multifunction switch is malfunctioning.
AV communication circuits between
AV control unit and multifunction
switch.