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-406, "Removal and Installation"

.

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 

AV-331, "Wiring Diagram"

.

1.

GPS ANTENNA INSPECTION

Visually inspect the GPS antenna and antenna feeder. Refer to 

AV-412, "Location of Antenna"

.

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 

AV-331, "Wiring Diagram"

.

1.

SATELLITE ANTENNA INSPECTION

Visually inspect the satellite antenna and antenna feeder. Refer to 

AV-412, "Location of Antenna"

.

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 

AV-359, "Diagnosis Procedure"

. 

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 

AV-391, "Diagnosis Procedure"

.

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.