Nissan Teana J32. Manual - part 56

 

  Index      Nissan     Nissan Teana J32 (2008 year) - Service and Repair Manual

 

Search            

 

 

 

 

 

 

 

 

 

Content   ..  54  55  56  57   ..

 

 

Nissan Teana J32. Manual - part 56

 

 

AV

U1250 CAMERA CONTROL UNIT

AV-79

< COMPONENT DIAGNOSIS >

[BASE AUDIO AND DISPLAY SYSTEM]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

U1250 CAMERA CONTROL UNIT

Description

INFOID:0000000003882728

DTC Logic

INFOID:0000000003882729

Diagnosis Procedure

INFOID:0000000003901201

1.

CHECK CONTINUITY RECOGNITION SIGNAL CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect AV control unit connector and camera control unit connector.

3.

Check continuity between AV control unit harness connector and camera control unit harness connector.

4.

Check continuity between display unit harness connector and ground.

Is inspection result normal?

YES

>> GO TO 2.

NO

>> Repair harness or connector.

2.

CHECK AV CONTROL UNIT VOLTAGE

1.

Connect AV control unit connector and camera control unit connector.

2.

Turn ignition switch ON.

3.

Check signal between AV control unit harness connector terminal and ground using an oscilloscope.

Is inspection result normal?

YES

>> Replace AV control unit.

Part name

Description

CAMERA CONTROL UNIT

• Camera image signal is input from rear view camera. Camera image signal 

output to AV control unit.

• Power supply is transmitted to rear view camera.
• AV control unit recognizes the presence of camera system with camera con-

nection recognition signal.

• Camera control unit is connected via AV communication.

DTC

Display contents of 

CONSULT-III

DTC Detection Condition

Possible causes

U1250

CAMERA CONT. CONN 
[U1250]

Malfunction is detected in camera connection recogni-
tion signal circuit.

Camera connection recognition sig-
nal circuit.

AV control unit

Camera control unit

Continuity

Connector

Terminals

Connector

Terminals

M130

68

B251

14

Existed

AV control unit

Ground

Continuity

Connector

Terminals

M130

68

Not existed

(+)

(

)

Condition

Voltage

(Approx.)

AV control unit

Connector

Terminal

M130

68

Ground

Connected camera 
control unit connector

0 V

Disconnect camera 
control unit connector

5 V

AV-80

< COMPONENT DIAGNOSIS >

[BASE AUDIO AND DISPLAY SYSTEM]

U1250 CAMERA CONTROL UNIT

NO

>> Replace camera control unit.

AV

U1300 AV COMM CIRCUIT

AV-81

< COMPONENT DIAGNOSIS >

[BASE AUDIO AND DISPLAY SYSTEM]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

U1300 AV COMM CIRCUIT

Description

INFOID:0000000003882731

U1300 is indicated when malfunction occurs in communication signal of multi AV system. Indicated simulta-
neously, without fail, with the malfunction of control units connected to AV control unit with communication line.
Determine the possible malfunction cause from the table below.

Self-diagnosis results display item

DTC

Display contents of 

CONSULT-III

Description

Possible malfunction factor/Action to 

take

U1300
U1240

• AV COMM CIRCUIT 

[U1300]

• SWITCH CONN 

[U1240]

When either one of the following items is detected:
• multifunction switch power supply and ground circuits 

are malfunctioning.

• AV communication circuits between AV control unit and 

multifunction switch are malfunctioning.

• AV communication signal between AV control unit and 

multifunction switch is malfunctioning.

• Multifunction switch power supply 

and ground circuits
Refer to

AV-83, "MULTIFUNCTION 

SWITCH : Diagnosis Procedure"

.

• AV communication circuits be-

tween AV control unit and multi-
function switch

U1300
U1252

• AV COMM CIRCUIT 

[U1300]

• REAR-CAMERA LAN 

CONN [U1252]

With rear control switch
When either one of the following items is detected:
• camera control unit power supply and ground circuits 

are malfunctioning.

• AV communication signal between AV control unit and 

camera control unit is malfunctioning.

• AV communication circuits between multifunction 

switch and rear control switch are malfunctioning.

• AV communication circuits between rear control switch 

and camera control unit are malfunctioning.

• Camera control unit power supply 

and ground circuits
Refer to 

AV-84, "CAMERA CON-

TROL UNIT : Diagnosis Proce-
dure"

.

• 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:
• camera control unit power supply and ground circuits 

are malfunctioning.

• malfunction is detected in AV communication circuits 

between multifunction switch and camera control unit.

• AV communication signal between AV control unit and 

multifunction switch is malfunctioning.

• Camera control unit power supply 

and ground circuits
Refer to 

AV-84, "CAMERA CON-

TROL UNIT : Diagnosis Proce-
dure"

.

• AV communication circuits be-

tween multifunction switch and 
camera control unit

U1300
U1240
U1252

• AV COMM CIRCUIT 

[U1300]

• SWITCH CONN 

[U1240]

• REAR-CAMERA LAN 

CONN [U1252]

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

AV-82

< COMPONENT DIAGNOSIS >

[BASE AUDIO AND DISPLAY SYSTEM]

POWER SUPPLY AND GROUND CIRCUIT

POWER SUPPLY AND GROUND CIRCUIT

AV CONTROL UNIT

AV CONTROL UNIT : Diagnosis Procedure

INFOID:0000000003901202

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.

DISPLAY UNIT

DISPLAY UNIT : Diagnosis Procedure

INFOID:0000000003901446

1.

CHECK POWER SUPPLY CIRCUIT (DISPLAY SIDE)

Check voltage between display unit harness connector and ground.

Is inspection result normal?

YES

>> GO TO 4.

NO

>> GO TO 2.

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

Signal name

Connector No.

Terminal No.

Ignition switch position

Voltage (Approx.)

Inverter VCC

M49

2

ACC

9 V

Signal VCC

3

 

 

 

 

 

 

 

Content   ..  54  55  56  57   ..