Nissan Sentra. Manual - part 92

AV-360

< DTC/CIRCUIT DIAGNOSIS >

[NAVIGATION WITH BOSE]

U1264 ANTENNA AMP.

U1264 ANTENNA AMP.

DTC Logic

INFOID:0000000009759035

DTC DETECTION LOGIC

Diagnosis Procedure

INFOID:0000000009759036

Regarding Wiring Diagram information, refer to 

AV-331, "Wiring Diagram"

.

1.

ANTENNA AMP. INSPECTION

Visually inspect the antenna amp. 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 CONTINUITY BETWEEN AV CONTROL UNIT AND ANTENNA AMP.

1. Turn ignition switch OFF.

2. Disconnect AV control unit connector M145 and antenna amp. connector M502.

3. Check continuity between AV control unit connector M145 and antenna amp. connector M502.

4. Check continuity between AV control unit connector M145 and ground.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace harness or connectors.

3.

CHECK AV CONTROL UNIT VOLTAGE

1. Connect AV control unit connector M145.

2. Turn ignition switch ON.

3. Check voltage between AV control unit connector M145 and ground.

Is the inspection result normal?

YES

>> Replace antenna amp. 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

ANTENNA AMP TERMINAL
[U1264]

Open or short to ground is detected in Antenna 
amp. connection.

• Antenna amp. disconnection.
• Open or short to ground in antenna amp. ON 

signal circuit.

AV control unit

Antenna amp.

Continuity

Connector

Terminal

Connector

Terminal

M145

54

M502

1

Yes

AV control unit

Ground

Continuity

Connector

Terminal

M145

54

—

No

AV control unit

Ground

Voltage

(Approx.)

(+)

(–)

Connector

Terminal

M145

54

—

Battery voltage

AV

U1265 BOSE AMP.

AV-361

< DTC/CIRCUIT DIAGNOSIS >

[NAVIGATION WITH BOSE]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

U1265 BOSE AMP.

DTC Logic

INFOID:0000000009759037

Diagnosis Procedure

INFOID:0000000009759038

Regarding Wiring Diagram information, refer to 

AV-331, "Wiring Diagram"

.

1.

CHECK CONTINUITY BETWEEN AV CONTROL UNIT AND BOSE SPEAKER AMP.

1. Turn ignition switch OFF.

2. Disconnect AV control unit connector M100 and Bose speaker amp. connector B43.

3. Check continuity between AV control unit connector M100 and Bose speaker amp. connector B43.

4. Check continuity between AV control unit connector M100 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 M100.

2. Turn ignition switch ON.

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

Is the inspection result normal?

YES

>> Replace Bose speaker amp. Refer to 

AV-417, "Removal and Installation"

.

NO

>> Replace AV control unit. Refer to 

AV-406, "Removal and Installation"

.

CONSULT Display

DTC Detection Condition

Possible Cause

AMP ON TERMINAL
[U1265]

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

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

AV control unit

Bose speaker amp.

Continuity

Connector

Terminal

Connector

Terminal

M100

1

B43

18

Yes

AV control unit

Ground

Continuity

Connector

Terminal

M100

1

—

No

AV control unit

Ground

Voltage

(Approx.)

(+)

(–)

Connector

Terminal

M100

1

—

Battery voltage

AV-362

< DTC/CIRCUIT DIAGNOSIS >

[NAVIGATION WITH BOSE]

U12AA CONFIGURATION ERROR

U12AA CONFIGURATION ERROR

DTC Logic

INFOID:0000000009759039

DTC DETECTION LOGIC

Diagnosis Procedure

INFOID:0000000009759040

1.

PERFORM CONFIGURATION

When U12AA is detected, configuration data must be written.

>> Write configuration data with CONSULT. Refer to 

AV-350, "CONFIGURATION (AV CONTROL

UNIT) : Work Procedure"

.

CONSULT Display

DTC Detection Condition

Possible Cause

Configuration Error
[U12AA]

AV control unit is not properly configured or con-
figuration is corrupt.

Configuration data needs to be written.
Refer to 

AV-350, "CONFIGURATION (AV CON-

TROL UNIT) : Work Procedure"

.

AV

U12AC AV CONTROL UNIT

AV-363

< DTC/CIRCUIT DIAGNOSIS >

[NAVIGATION WITH BOSE]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

U12AC AV CONTROL UNIT

DTC Logic

INFOID:0000000009759041

DTC DETECTION LOGIC

CONSULT Display

DTC Detection Condition

Possible Cause

Display Temperature too High
[U12AC]

Display temperature has exceeded maximum 
temperature. Display is switched OFF to avoid ir-
reversible damage.

Replace AV control unit if malfunction occurs 
constantly.
Refer to 

AV-406, "Removal and Installation"

.