Nissan Sentra. Manual — part 91
AV-356
< DTC/CIRCUIT DIAGNOSIS >
[NAVIGATION WITH BOSE]
U122F AV CONTROL UNIT
U122F AV CONTROL UNIT
DTC Logic
INFOID:0000000009759028
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
U1244 GPS ANTENNA
AV-357
< DTC/CIRCUIT DIAGNOSIS >
[NAVIGATION WITH BOSE]
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U1244 GPS ANTENNA
DTC Logic
INFOID:0000000009759029
DTC DETECTION LOGIC
Diagnosis Procedure
INFOID:0000000009759030
Regarding Wiring Diagram information, refer to
.
1.
GPS ANTENNA INSPECTION
Visually inspect the GPS antenna and antenna feeder. Refer to
.
Is inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace malfunctioning components.
2.
CHECK AV CONTROL UNIT VOLTAGE
1. Turn ignition switch ON.
2. Check voltage between AV control unit connector M116 terminal 50 and ground.
Is inspection result normal?
YES
>> Replace GPS antenna. Refer to
AV-420, "Removal and Installation"
.
NO
>> Replace AV control unit. Refer to
AV-406, "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 terminal
Ground
Voltage
(+)
(
−)
50
—
5.0 V
AV-358
< DTC/CIRCUIT DIAGNOSIS >
[NAVIGATION WITH BOSE]
U1258 SATELLITE RADIO ANTENNA
U1258 SATELLITE RADIO ANTENNA
DTC Logic
INFOID:0000000009759031
DTC DETECTION LOGIC
Diagnosis Procedure
INFOID:0000000009759032
Regarding Wiring Diagram information, refer to
.
1.
SATELLITE ANTENNA INSPECTION
Visually inspect the satellite antenna and antenna feeder. Refer to
Is inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace malfunctioning components.
2.
CHECK SATELLITE ANTENNA FEEDER CONTINUITY
1. Disconnect AV control unit connector M143 and satellite radio antenna connector M504.
2. Check continuity between AV control unit connector M143 and satellite radio antenna connector M504.
3. Check continuity between AV control unit connector M143 and ground.
Is the inspection result normal?
YES
>> GO TO 3
NO
>> Repair or replace harness or connectors.
3.
CHECK AV CONTROL UNIT VOLTAGE
1. Connect AV control unit connector M143.
2. Turn ignition switch ON.
3. Check voltage between AV control unit connector M143 terminal 52 and ground.
Is inspection result normal?
YES
>> Replace satellite radio antenna. Refer to
AV-419, "Removal and Installation"
NO
>> Replace AV control unit. Refer to
AV-406, "Removal and Installation"
.
CONSULT Display
DTC Detection Condition
Possible Cause
XM ANTENNA CONN
[U1258]
Open or short to ground is detected in satellite
antenna connection.
• Satellite antenna disconnection.
• Open or short to ground in satellite antenna
signal circuit.
AV control unit
Satellite radio antenna
Continuity
Connector
Terminal
Connector
Terminal
M143
52
M504
1
Yes
AV control unit
Ground
Continuity
Connector
Terminal
M143
52
—
No
AV control unit terminal
Ground
Voltage
(+)
(
−)
52
—
5.0 V
AV
U1263 USB
AV-359
< DTC/CIRCUIT DIAGNOSIS >
[NAVIGATION WITH BOSE]
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U1263 USB
DTC Logic
INFOID:0000000009759033
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:0000000009759034
1.
CHECK USB INTERFACE HARNESS
Visually inspect USB interface harness. Refer to
AV-416, "Removal and Installation"
.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Replace USB interface harness. Refer to
AV-416, "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-406, "Removal and Installation"
.
NO
>> Replace USB interface harness. Refer to
AV-416, "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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