Nissan Teana J32. Manual - part 92

AV

U1243 DISPLAY UNIT

AV-223

< COMPONENT DIAGNOSIS >

[BOSE AUDIO WITHOUT NAVIGATION]

C

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F

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3.

CHECK COMMUNICATION SIGNAL

1.

Connect display unit connector and AV control unit connector.

2.

Turn ignition switch ON.

3.

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

Is inspection result normal?

YES

>> GO TO 4.

NO

>> Replace AV control unit.

4.

CHECK COMMUNICATION SIGNAL

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

Is inspection result normal?

YES

>> INSPECTION END

NO

>> Replace display unit.

(+)

(

−

)

Condition

Reference value

Display unit

Connector

Terminal

M49

11

Ground

When adjusting display bright-
ness.

PKIB5039J

(+)

(

−

)

Condition

Reference value

Display unit

Connector

Terminal

M49

22

Ground

When adjusting display bright-
ness.

PKIB5039J

AV-224

< COMPONENT DIAGNOSIS >

[BOSE AUDIO WITHOUT NAVIGATION]

U1250 CAMERA CONTROL UNIT

U1250 CAMERA CONTROL UNIT

Description

INFOID:0000000003838244

DTC Logic

INFOID:0000000003838245

Diagnosis Procedure

INFOID:0000000003901177

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

U1250 CAMERA CONTROL UNIT

AV-225

< COMPONENT DIAGNOSIS >

[BOSE AUDIO WITHOUT NAVIGATION]

C

D

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F

G

H

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J

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M

B

A

O

P

NO

>> Replace camera control unit.

AV-226

< COMPONENT DIAGNOSIS >

[BOSE AUDIO WITHOUT NAVIGATION]

U1260, U1261, U1262, U1263 CENTER SPEAKER

U1260, U1261, U1262, U1263 CENTER SPEAKER

Description

INFOID:0000000003901588

DTC Logic

INFOID:0000000003901589

DTC DETECTION LOGIC

Diagnosis Procedure

INFOID:0000000003901590

1.

PERFORM THE SELF-DIAGNOSIS

1.

Delete the self-diagnosis results. Turn ignition switch OFF.

2.

Turn ignition switch ON. perform the self-diagnosis again.

3.

Check that the DTC is detected again.

Is any DTC detected?

YES

>> Repair sound signal center speaker circuit harness or connector.

NO

>> Refer to GI section. Refer to 

GI-35, "Intermittent Incident"

.

Part name

Description

CENTER SPEAKER

• Outputs sound signal from BOSE amp.
• Outputs sound (high and mid range).

DTC

Display contents of 

CONSULT-III

DTC Detection Condition

Possible causes

U1260

CENTER SP OPEN 
[U1260]

Sound signal center speaker circuit is open.

Check sound signal center speaker 
circuit.

U1261

CENTER SP SHORT 
[U1261]

Sound signal center speaker circuit is shorted between 
center speaker signal (+) and center speaker signal (-).

Check sound signal center speaker 
circuit.

U1262

CENTER SP GND- 
SHORT [U1262]

Sound signal center speaker circuit to ground is shorted.

Check sound signal center speaker 
circuit.

U1263

CENTER SP VB-
SHORT [U1263]

Sound signal center speaker circuit to battery is shorted.

Check sound signal center speaker 
circuit.