Nissan Murano. Manual - part 83

AV-110

< DTC/CIRCUIT DIAGNOSIS >

[BASE AUDIO WITH COLOR DISPLAY]

U1216 AV CONTROL UNIT

U1216 AV CONTROL UNIT

DTC Logic

INFOID:0000000009721623

DTC

Display contents of 

CONSULT

DTC detection condition

Possible malfunction factor

U1216

CAN CONT
[U1216]

AV control unit malfunction is detected.

Replace the AV control unit if the mal-
function occurs constantly.
Refer to 

AV-149, "Exploded View"

.

AV

U1232 STEERING ANGLE SENSOR

AV-111

< DTC/CIRCUIT DIAGNOSIS >

[BASE AUDIO WITH COLOR DISPLAY]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

U1232 STEERING ANGLE SENSOR

DTC Logic

INFOID:0000000009721624

Diagnosis Procedure

INFOID:0000000009721625

1.

ADJUST THE PREDICTIVE COURSE LINE CENTER POSITION OF THE STEERING ANGLE SENSOR

When U1232 is detected, adjust the predictive course line center position of the steering angle sensor.

>> Adjusts the steering angle sensor neutral position on ABS actuator and electrical unit (control unit)

side. Refer to 

BRC-9, "ADJUSTMENT OF STEERING ANGLE SENSOR NEUTRAL POSITION :

Special Repair Requirement"

.

DTC

Display contents of 

CONSULT

DTC detection condition

Possible malfunction factor

U1232

ST ANGLE SEN CALIB 
[1232]

Predictive course line center position adjustment of the 
steering angle sensor is incomplete.

Adjust the predictive course line cen-
ter position of the steering angle sen-
sor.

AV-112

< DTC/CIRCUIT DIAGNOSIS >

[BASE AUDIO WITH COLOR DISPLAY]

U1243 DISPLAY UNIT

U1243 DISPLAY UNIT

DTC Logic

INFOID:0000000009721626

Diagnosis Procedure

INFOID:0000000009721627

1.

CHECK DISPLAY UNIT POWER SUPPLY AND GROUND CIRCUIT

Check display unit power supply and ground circuit. Refer to 

AV-118, "DISPLAY UNIT : Diagnosis Procedure"

.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair malfunctioning parts.

2.

CHECK CONTINUITY COMMUNICATION CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect display unit connector and AV control unit connector.

3.

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

4.

Check continuity between display unit harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair harness or connector.

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 and ground.

DTC

Display contents of 

CONSULT

DTC detection condition

Possible malfunction factor

U1243

FRONT DISP CONN
[U1243]

When either one of the following items are detected:
• display unit power supply and ground circuits are mal-

functioning.

• serial communication circuits between display unit and 

AV control unit are malfunctioning.

• Display unit power supply and 

ground circuits.

• Serial communication circuits be-

tween display unit and AV control 
unit.

Display unit

AV control unit

Continuity

Connector

Terminals

Connector

Terminals

M194

11

M172

51

Existed

22

39

Display unit

Ground

Continuity

Connector

Terminals

M194

11

Not existed

12

AV

U1243 DISPLAY UNIT

AV-113

< DTC/CIRCUIT DIAGNOSIS >

[BASE AUDIO WITH COLOR DISPLAY]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Replace AV control unit. Refer to 

AV-149, "Exploded View"

.

4.

CHECK COMMUNICATION SIGNAL

Check signal between display unit harness connector and ground.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace display unit. Refer to 

AV-150, "Exploded View"

.

(+)

(

−

)

Condition

Reference value

Display unit

Connector

Terminal

M194

11

Ground

When adjusting display bright-
ness.

PKIB5039J

(+)

(

−

)

Condition

Reference value

Display unit

Connector

Terminal

M194

22

Ground

When adjusting display bright-
ness.

PKIB5039J