Infiniti EX35. Manual - part 188
AV
U1300 AV COMM CIRCUIT
AV-533
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITH NAVIGATION]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
U1300 AV COMM CIRCUIT
WITHOUT REAR VIEW MONITOR AND AROUND VIEW MONITOR
WITHOUT REAR VIEW MONITOR AND AROUND VIEW MONITOR : Description
INFOID:0000000003160694
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
WITH REAR VIEW MONITOR
WITH REAR VIEW MONITOR : Description
INFOID:0000000003415758
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
U121F
• AV COMM CIRCUIT
[U1300]
• INTERNAL COMM
[U121F]
When either one of the following items is detected.
• AV control unit power supply and ground circuits mal-
function is detected.
• AV control unit malfunction is detected.
• AV control unit power supply and
ground circuits.
• When there is no malfunction, AV
control unit is malfunctioning.
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
malfunction is detected.
• Malfunction is detected in AV communication circuits
between multifunction switch and the junction of AV
control unit and iPod adapter.
• Multifunction switch power supply
and ground circuits.
• AV communication circuits be-
tween multifunction switch and the
junction of AV control unit and iPod
adapter.
U1300
U1254
• AV COMM CIRCUIT
[U1300]
• IPOD CONN [U1254]
When either one of the following items is detected.
• iPod adapter power supply and ground circuits malfunc-
tion is detected.
• Malfunction is detected in AV communication circuits
between iPod adapter and the junction of AV control
unit and multifunction switch.
• iPod adapter power supply and
ground circuits.
• AV communication circuits be-
tween iPod adapter and the junc-
tion of AV control unit and
multifunction switch.
U1300
U1240
U1254
• AV COMM [U1300]
• SWITCH CONN
[U1240]
• IPOD CONN [U1254]
Malfunction is detected in AV communication circuits be-
tween AV control unit and the junction of multifunction
switch and iPod adapter.
AV communication circuits between
AV control unit and the junction of
multifunction switch and iPod adapt-
er.
U1300
U121F
U1240
U1254
• AV COMM [U1300]
• INTERNAL COMM
[U121F]
• SWITCH CONN
[U1240]
• IPOD CONN [U1254]
Malfunction is detected in AV communication circuits.
Check and repair the short circuit in
AV communication circuits.