Nissan Note E12. Manual — part 37
AV-140
< DTC/CIRCUIT DIAGNOSIS >
[NAVIGATION]
U1229 AV CONTROL UNIT
U1229 AV CONTROL UNIT
DTC Logic
INFOID:0000000009460275
DTC DETECTION LOGIC
CONSULT Display
DTC Detection Condition
Possible Cause
iPod CERTIFICATION
[U1229]
iPod authentication chip error.
Replace AV control unit if malfunction occurs
constantly.
Refer to
AV
U122F AV CONTROL UNIT
AV-141
< DTC/CIRCUIT DIAGNOSIS >
[NAVIGATION]
C
D
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F
G
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B
A
O
P
U122F AV CONTROL UNIT
DTC Logic
INFOID:0000000009460276
DTC DETECTION LOGIC
CONSULT Display
DTC Detection Condition
Possible Cause
Digital broadcasting connection
error
[U122F]
Communication error with digital audio broadcast
module internal to AV control unit.
Replace AV control unit if malfunction occurs
constantly.
Refer to
AV-178, "Removal and Installation"
.
AV-142
< DTC/CIRCUIT DIAGNOSIS >
[NAVIGATION]
U1244 GPS ANTENNA
U1244 GPS ANTENNA
DTC Logic
INFOID:0000000009460277
DTC DETECTION LOGIC
Diagnosis Procedure
INFOID:0000000009460278
Regarding Wiring Diagram information, refer to
.
1.
GPS ANTENNA INSPECTION
Visually inspect the GPS antenna and antenna feeder. Refer to
AV-186, "Removal and Installation"
.
Is inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace malfunctioning components.
2.
CHECK AV CONTROL UNIT VOLTAGE
1. Disconnect AV control unit connector M80.
2. Turn ignition switch ON.
3. Check voltage between AV control unit connector M80 and ground.
Is inspection result normal?
YES
>> Replace GPS antenna. Refer to
AV-186, "Removal and Installation"
.
NO
>> Replace AV control unit. Refer to
AV-178, "Removal and Installation"
.
CONSULT Display
DTC Detection Condition
Possible Cause
GPS ANTENNA CONN
[U1244]
Open or short to ground is detected in GPS an-
tenna connection.
• GPS antenna disconnection.
• Open or short to ground in GPS antenna signal
circuit.
AV control unit
Ground
Voltage
Connector
Terminal
M80
61
—
5.0 V
AV
U1263 USB
AV-143
< DTC/CIRCUIT DIAGNOSIS >
[NAVIGATION]
C
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A
O
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U1263 USB
DTC Logic
INFOID:0000000009460281
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PERFORM SELF DIAGNOSTIC RESULT
1. If there is a device connected to the USB interface, disconnect it.
2. Turn ignition switch ON and wait for 2 seconds or more.
3. Perform Self Diagnostic Result for MULTI AV.
Is DTC U1263 displayed?
YES
>> Refer to
.
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000009460282
1.
CHECK USB INTERFACE HARNESS
Visually inspect USB interface harness. Refer to
AV-181, "Removal and Installation"
.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Replace USB interface harness. Refer to
AV-181, "Removal and Installation"
.
2.
CHECK USB INTERFACE HARNESS
Check USB interface harness. Refer to
Is the inspection result normal?
YES
>> Replace AV control unit. Refer to
AV-178, "Removal and Installation"
.
NO
>> Replace USB interface harness. Refer to
AV-181, "Removal and Installation"
.
CONSULT Display
DTC Detection Condition
Possible Cause
USB OVERCURRENT
[U1263]
Overcurrent in USB harness is detected.
• Device connected to USB interface.
• Harness between the AV control unit and USB
interface.
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