Nissan Frontier. Manual - part 75

AV-292

< DTC/CIRCUIT DIAGNOSIS >

[NAVIGATION]

U1244 GPS ANTENNA

U1244 GPS ANTENNA

DTC Logic

INFOID:0000000009482210

DTC DETECTION LOGIC

Diagnosis Procedure

INFOID:0000000009482211

Regarding Wiring Diagram information, refer to 

AV-264, "Wiring Diagram"

.

1.

GPS ANTENNA INSPECTION

Visually inspect the GPS antenna and antenna feeder. Refer to 

AV-357, "Location of Antenna"

.

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 M99.

2. Turn ignition switch ON.

3. Check voltage between AV control unit connector M99 and ground.

Is inspection result normal?

YES

>> Replace GPS antenna.

NO

>> Replace AV control unit. Refer to 

AV-348, "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

M99

50

—

5.0 V

AV

U1258 SATELLITE RADIO ANTENNA

AV-293

< DTC/CIRCUIT DIAGNOSIS >

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U1258 SATELLITE RADIO ANTENNA

DTC Logic

INFOID:0000000009482212

DTC DETECTION LOGIC

Diagnosis Procedure

INFOID:0000000009482213

Regarding Wiring Diagram information, refer to 

AV-264, "Wiring Diagram"

.

1.

SATELLITE ANTENNA INSPECTION

Visually inspect the satellite antenna and antenna feeder. Refer to 

AV-357, "Location of Antenna"

.

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 M100.

2. Turn ignition switch ON.

3. Check voltage between AV control unit connector M100 and ground.

Is inspection result normal?

YES

>> Replace satellite radio antenna. Refer to 

AV-360, "Removal and Installation"

.

NO

>> Replace AV control unit. Refer to 

AV-348, "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 

Ground

Voltage

Connector

Terminal

M100

58

—

5.0 V

AV-294

< DTC/CIRCUIT DIAGNOSIS >

[NAVIGATION]

U1263 USB

U1263 USB

DTC Logic

INFOID:0000000009482214

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-294, "Diagnosis Procedure"

. 

NO

>> Inspection End.

Diagnosis Procedure

INFOID:0000000009482215

1.

CHECK USB INTERFACE HARNESS

Visually inspect USB interface harness. Refer to 

AV-362, "Removal and Installation"

.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Replace USB interface harness. Refer to 

AV-362, "Removal and Installation"

.

2.

CHECK USB INTERFACE HARNESS

Check USB interface harness. Refer to 

AV-329, "Diagnosis Procedure"

.

Is the inspection result normal?

YES

>> Replace AV control unit. Refer to 

AV-348, "Removal and Installation"

.

NO

>> Replace USB interface harness. Refer to 

AV-362, "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.

AV

U1265 AUDIO AMP.

AV-295

< DTC/CIRCUIT DIAGNOSIS >

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U1265 AUDIO AMP.

DTC Logic

INFOID:0000000009482216

Diagnosis Procedure

INFOID:0000000009482217

Regarding Wiring Diagram information, refer to 

AV-264, "Wiring Diagram"

.

1.

CHECK CONTINUITY BETWEEN AV CONTROL UNIT AND AUDIO AMP.

1. Turn ignition switch OFF.

2. Disconnect AV control unit connector M96 and audio amplifier connector B158.

3. Check continuity between AV control unit connector M96 and audio amp. connector B158.

4. Check continuity between AV control unit connector M96 and ground.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace harness or connectors.

2.

CHECK AV CONTROL UNIT VOLTAGE

1. Connect AV control unit connector M96.

2. Turn ignition switch ON.

3. Check voltage between AV control unit connector M96 and ground.

Is the inspection result normal?

YES

>> Replace audio amplifier. Refer to 

AV-349, "Removal and Installation"

.

NO

>> Replace AV control unit. Refer to 

AV-348, "Removal and Installation"

.

CONSULT Display

DTC Detection Condition

Possible Cause

AMP ON TERMINAL
[U1265]

Open or short to ground is detected in audio amp. 
ON signal circuit.

Open or short to ground in audio amp. ON signal 
circuit.

AV control unit

Audio amplifier

Continuity

Connector

Terminal

Connector

Terminal

M96

1

B158

9

Yes

AV control unit

Ground

Continuity

Connector

Terminal

M96

1

—

No

AV control unit

Ground

Voltage

(Approx.)

Connector

Terminal

M96

1

—

Battery voltage