Nissan Leaf. Instruction — part 114
AV
U1263 USB
AV-447
< DTC/CIRCUIT DIAGNOSIS >
[NAVIGATION WITH BOSE]
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U1263 USB
DTC Logic
INFOID:0000000010122677
DTC DETECTION LOGIC
NOTE:
Before performing diagnosis, make sure that the external input device is not malfunctioning.
Diagnosis Procedure
INFOID:0000000010122678
1.
CHECK USB HARNESS
Check USB harness visually for pinching.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Replace the USB harness. Refer to
AV-499, "Removal and Installation"
2.
CHECK USB HARNESS
Check USB harness continuity. Refer to
Is the inspection result normal?
YES
>> Replace the AV control unit. Refer to
AV-488, "Removal and Installation"
.
NO
>> Replace the USB harness. Refer to
AV-499, "Removal and Installation"
CONSULT Display
DTC Detection Condition
Possible Cause
USB overcurrent
[U1263]
Overcurrent of the USB connector is detected.
Check the USB harness between the AV control
unit and USB connector.
AV-448
< DTC/CIRCUIT DIAGNOSIS >
[NAVIGATION WITH BOSE]
U1266 AV CONTROL UNIT
U1266 AV CONTROL UNIT
DTC Logic
INFOID:0000000010122679
CONSULT Display
DTC Detection Condition
Possible Cause
TCU CONN
[U1266]
Malfunction is detected between the AV control
unit and TCU.
Check connection between the AV control unit
and TCU.
AV
U1300 AV COMM CIRCUIT
AV-449
< DTC/CIRCUIT DIAGNOSIS >
[NAVIGATION WITH BOSE]
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U1300 AV COMM CIRCUIT
Description
INFOID:0000000010122680
U1300 is displayed when the AV signal error is detected for the multi AV system. It is always displayed
together with the error of the control unit connected to the AV control unit via AV communication. Determine
the possible malfunction cause from the table below.
SELF-DIAGNOSIS RESULTS DISPLAY ITEM
CONSULT Display
DTC Detection Condition
Possible Cause
• AV COMM CIRCUIT
[U1300]
• SWITCH CONN
[U1240]
When either one of the following items are de-
tected:
• multifunction switch power supply and ground
circuits are malfunctioning.
• AV communication circuits between the AV
control unit and multifunction switch are mal-
functioning.
• Multifunction switch power supply and ground
circuits.
• AV communication circuits between AV control
unit and multifunction switch.
AV-450
< DTC/CIRCUIT DIAGNOSIS >
[NAVIGATION WITH BOSE]
U1304 CAMERA IMAGE CALIBRATION
U1304 CAMERA IMAGE CALIBRATION
DTC Logic
INFOID:0000000010122681
Diagnosis Procedure
INFOID:0000000010122682
1.
PERFORM THE SELF-DIAGNOSIS
When U1304 is detected, perform calibration of camera image with CONSULT.
>> Perform calibration of camera image. Refer to
CONSULT Display
DTC Detection Condition
Possible Cause
CAMERA IMAGE CALIB
[U1304]
Camera image calibration is incomplete.
Perform calibration of camera image with CON-
SULT.
Refer to
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