Nissan Teana J32. Manual - part 152

AV

U1300 AV COMM CIRCUIT

AV-463

< COMPONENT DIAGNOSIS >

[BOSE AUDIO WITH NAVIGATION]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

U1300
U1248

U124E

U1252

U125D

• AV COMM CIRCUIT 

[U1300]

• DVD DECK CONN 

[U1248]

• AMP CONN [U124E]
• REAR-CAMERA LAN 

CONN [U1252]

• DVD NAVI CONN 

[U125D]

With rear control switch

When either one of the following items is detected:

• malfunction is detected in AV communication circuits 

between rear control switch and camera control unit.

• malfunction is detected in AV communication circuits 

between camera control unit and NAVI control unit. 

• AV communication circuits be-

tween multifunction switch and rear 
control switch.

• AV communication circuits be-

tween rear control switch and cam-
era control unit.

Without rear control switch

When either one of the following items is detected:

• malfunction is detected in AV communication circuits 

between multifunction switch and camera control unit.

• malfunction is detected in AV communication circuits 

between camera control unit and NAVI control unit.

AV communication circuits between 
multifunction switch and camera con-
trol unit.

U1300
U1240
U1248

U124E

U1252

U125D

• AV COMM CIRCUIT 

[U1300]

• SWITCH CONN 

[U1240]

• DVD DECK CONN 

[U1248]

• AMP CONN [U124E]
• REAR-CAMERA LAN 

CONN [U1252]

• DVD NAVI CONN 

[U125D]

When either one of the following items is detected:
• AV communication circuits between AV control unit and 

multifunction switch are malfunctioning.

• AV communication signal between AV control unit and 

multifunction switch is malfunctioning.

AV communication circuits between 
AV control unit and multifunction 
switch.

DTC

Display contents of 

CONSULT-III

Description

Possible malfunction factor/Action to 

take

AV-464

< COMPONENT DIAGNOSIS >

[BOSE AUDIO WITH NAVIGATION]

POWER SUPPLY AND GROUND CIRCUIT

POWER SUPPLY AND GROUND CIRCUIT

AV CONTROL UNIT

AV CONTROL UNIT : Diagnosis Procedure

INFOID:0000000003765895

1.

CHECK FUSE

Check for blown fuses.

Is inspection result normal?

YES

>> GO TO 2.

NO

>> Be sure to eliminate cause of malfunction before installing new fuse.

2.

CHECK POWER SUPPLY CIRCUIT

Check voltage between AV control unit harness connectors and ground.

Is inspection result normal?

YES

>> GO TO 3.

NO

>> Check harness between AV control unit and fuse.

3.

CHECK GROUND CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect AV control unit connectors.

3.

Check continuity between AV control unit harness connectors and ground.

Is inspection result normal?

YES

>> INSPECTION END

NO

>> Repair harness or connector.

NAVI CONTROL UNIT

NAVI CONTROL UNIT : Diagnosis Procedure

INFOID:0000000003765896

1.

CHECK FUSE

Check for blown fuses.

Is inspection result normal?

YES

>> GO TO 2.

NO

>> Be sure to eliminate cause of malfunction before installing new fuse.

Power source

Fuse No.

Battery

31

Ignition switch ACC or ON

19

Ignition switch ON or START 

4

Signal name

Connector No.

Terminal No.

Ignition switch position

Voltage (Approx.)

Battery power supply

M127

19

OFF

Battery voltage

ACC power supply

7

ACC

Ignition signal

M131

104

ON

Signal name

Connector No.

Terminal No.

Ignition switch position

Continuity 

Ground

M127

20

OFF

Existed

M131

85

Power source

Fuse No.

Battery

31

Ignition switch ACC or ON

19

AV

POWER SUPPLY AND GROUND CIRCUIT

AV-465

< COMPONENT DIAGNOSIS >

[BOSE AUDIO WITH NAVIGATION]

C

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P

2.

CHECK POWER SUPPLY CIRCUIT

Check voltage between NAVI control unit harness connectors and ground.

Is inspection result normal?

YES

>> GO TO 3.

NO

>> Check harness between NAVI control unit and fuse.

3.

CHECK GROUND CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect NAVI control unit connectors.

3.

Check continuity between NAVI control unit harness connectors and ground.

Is inspection result normal?

YES

>> INSPECTION END

NO

>> Repair harness or connector.

DISPLAY UNIT

DISPLAY UNIT : Diagnosis Procedure

INFOID:0000000003765897

1.

CHECK FUSE

Check for blown fuses.

Is inspection result normal?

YES

>> GO TO 2.

NO

>> Be sure to eliminate cause of malfunction before installing new fuse.

2.

CHECK POWER SUPPLY CIRCUIT

Check voltage between display unit harness connector and ground.

Is inspection result normal?

YES

>> GO TO 3.

NO

>> Check harness between display unit and fuse.

3.

CHECK GROUND CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect display unit connector.

3.

Check continuity between display unit harness connector and ground.

Signal name

Connector No.

Terminal No.

Ignition switch position

Voltage (Approx.)

Battery power supply

B254

1

OFF

Battery voltage

ACC power supply

3

ACC

Signal name

Connector No.

Terminal No.

Ignition switch position

Continuity 

Ground

B254

2

OFF

Existed

Power source

Fuse No.

Battery

31

Ignition switch ACC or ON

19

Signal name

Connector No.

Terminal No.

Ignition switch position

Voltage (Approx.)

Battery power supply

M49

2

OFF

Battery voltage

ACC power supply

3

ACC

Signal name

Connector No.

Terminal No.

Ignition switch position

Continuity 

Ground

M49

1

OFF

Existed

13

AV-466

< COMPONENT DIAGNOSIS >

[BOSE AUDIO WITH NAVIGATION]

POWER SUPPLY AND GROUND CIRCUIT

Is inspection result normal?

YES

>> INSPECTION END

NO

>> Repair harness or connector.

MULTIFUNCTION SWITCH

MULTIFUNCTION SWITCH : Diagnosis Procedure

INFOID:0000000003765898

1.

CHECK FUSE

Check for blown fuses.

Is inspection result normal?

YES

>> GO TO 2.

NO

>> Be sure to eliminate cause of malfunction before installing new fuse. 

2.

CHECK POWER SUPPLY CIRCUIT

Check voltage between multifunction switch harness connector and ground.

Is inspection result normal?

YES

>> GO TO 3.

NO

>> Check harness between multifunction switch and fuse.

3.

CHECK GROUND CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect multifunction switch connector.

3.

Check continuity between multifunction switch harness connector and ground.

Is inspection result normal?

YES

>> INSPECTION END

NO

>> Repair harness or connector.

BOSE AMP.

BOSE AMP. : Diagnosis Procedure

INFOID:0000000003765899

1.

CHECK FUSE

Check for blown fuses.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Be sure to eliminate cause of malfunction before installing new fuse. 

2.

CHECK POWER SUPPLY CIRCUIT

Check voltage between BOSE amp. harness connector and ground.

Power source

Fuse No.

Ignition switch ACC or ON

19

Signal name

Connector No.

Terminal No.

Ignition switch position

Voltage (Approx.)

ACC power supply

M125

3

ACC

Battery voltage

Signal name

Connector No.

Terminal No.

Ignition switch position

Continuity 

Ground

M125

1

OFF

Existed

Power source

Fuse No.

Battery

32, 33

Ignition switch ACC

19