Infiniti QX56 (Z62). Manual - part 47

 

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Infiniti QX56 (Z62). Manual - part 47

 

 

AV-42

< SYSTEM DESCRIPTION >

DIAGNOSIS SYSTEM (AV CONTROL UNIT)

DATA MONITOR

ALL SIGNALS

• Displays the status of the following vehicle signals inputted into the AV control unit.
• For each signal, actual signal can be compared with the condition recognized on the system.

• AV COMM CIRCUIT [U1300]
• SWITCH CONN [U1240]

When either one of the following items are 
detected:
• multifunction switch power supply and 

ground circuits are malfunctioning.

• AV communication circuits between AV 

control unit and multifunction switch are 
malfunctioning.

• Multifunction switch power supply and 

ground circuits.

• AV communication circuits between AV 

control unit and multifunction switch.

• AV COMM CIRCUIT [U1300]
• AROUND CAMERA CONN [U125B]

When either one of the following items are 
detected:
• around view monitor control unit power 

supply and ground circuits are malfunc-
tioning.

• AV communication circuits between AV 

control unit and around view monitor 
control unit are malfunctioning.

• Around view monitor control unit power 

supply and ground circuits.

• AV communication circuits between AV 

control unit and around view monitor 
control unit.

• AV COMM CIRCUIT [U1300]
• SONAR CONN [U125C]

When either one of the following items are 
detected:
• sonar control unit power supply and 

ground circuits are malfunctioning.

• AV communication circuits between AV 

control unit and sonar control unit are 
malfunctioning.

• Sonar control unit power supply and 

ground circuits.

• AV communication circuits between AV 

control unit and sonar control unit.

• AV COMM CIRCUIT [U1300]
• SWITCH CONN [U1240]
• SONAR CONN [U125C]
• AROUND CAMERA CONN [U125B]

AV communication circuits between AV 
control unit and multifunction switch are 
malfunctioning.

AV communication circuits between AV 
control unit and multifunction switch.

• AV COMM CIRCUIT [U1300]
• SWITCH CONN [U1240]
• SONAR CONN [U125C]
• AROUND CAMERA CONN [U125B]
• VIDEO DIST CONN [U1246]

Error item

Description

Possible malfunction factor/Action to take

Display Item

Display

Vehicle status

Remarks

VHCL SPD SIG

On

Vehicle speed >= 8 km/h (5 MPH)

Changes in indication may be delayed. This is 
normal.

Off

Vehicle speed < 8 km/h (5 MPH)

PKB SIG

On

Parking brake is applied.

Off

Parking brake is released.

ILLUM SIG

On

Block the light from the auto light op-
tical sensor when the lighting switch 
is 1st or 2nd.

Off

Either of the following conditions.
• Lighting switch is OFF
• Expose the auto light optical sen-

sor to light when the lighting switch 
is 1st or 2nd.

IGN SIG

On

Ignition switch is ON

Off

Ignition switch is in ACC position

REV SIG

On

Selector lever is in R position

Changes in indication may be delayed. This is 
normal.

Off

Selector lever is in any position other 
than R

AV

DIAGNOSIS SYSTEM (AV CONTROL UNIT)

AV-43

< SYSTEM DESCRIPTION >

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SELECTION FROM MENU

Allows the technician to select which vehicle signals should be displayed and displays the status of the
selected vehicle signals.

WORK SUPPORT

Adjusts the neutral position of the steering angle sensor.

CAUTION:

For vehicles with VDC, adjust the steering angle sensor neutral position on the ABS actuator control
unit side.

CONFIGURATION

Configuration has three functions as follows.

SIDE VIEW SW

Off

This item is displayed, but cannot be monitored.

ROOM LAMP

Off

This item is displayed, but cannot be monitored.

Display Item

Display

Vehicle status

Remarks

Item to be selected

Description

VHCL SPD SIG

The same as when “ALL SIGNALS” 
is selected.

PKB SIG

ILLUM SIG

IGN SIG

REV SIG

SIDE VIEW SW

ROOM LAMP

Item

Description

ST ANGLE SENSOR ADJUSTMENT

Adjusts the neutral position of the steering angle sensor.

Function

Description

READ CONFIGURATION

• Reads the vehicle configuration of current AV control unit.
• Saves the read vehicle configuration.

WRITE CONFIGURATION-Manual selection

Writes the vehicle configuration with manual selection.

WRITE CONFIGURATION-Config file

Writes the vehicle configuration with saved data.

AV-44

< SYSTEM DESCRIPTION >

DIAGNOSIS SYSTEM (AROUND VIEW MONITOR CONTROL UNIT)

DIAGNOSIS SYSTEM (AROUND VIEW MONITOR CONTROL UNIT)

On Board Diagnosis Function

INFOID:0000000006216221

The diagnosis function of around view monitor control unit is displayed when selecting “Camera Cont.” of Con-
firmation/Adjustment mode in the multi AV system. 

Around view monitor control unit diagnosis item

CAUTION:

*: Never perform other operations for approximately 10 seconds after performing "Initialize Camera
Image Calibration". 

Connection Confirmation

The status of signals inputted to around view monitor control unit can
be checked.

Connection Confirmation item list

AV control unit Confirmation/Adjustment mode

Function

Camera Cont.

Connection Confirmation

The status of signals input to around view monitor control unit 
can be checked. 

Calibrating Cam-
era Image

Rear Camera

Performs the calibration of rear camera.

Pass-Side Camera

Performs the calibration of side camera RH.

Front Camera

Performs the calibration of front camera.

Dr-Side Camera

Performs the calibration of side camera LH.

Initialize Camera Image 

Calibration

*

The calibration can be initialized to NISSAN factory shipment 
condition.

Fine Tuning of Bird’s-Eye View

• The confirmation and adjustment of the difference between 

each camera can be performed.

• The system changes to the ZOOM function by the operation 

of shift and the ZOOM ratio of each camera can be changed.

Correct Draw Line 
of Wide View

Rear-Wide View

The position of rear wide view guideline can be changed.

JSNIA2277ZZ

Diagnosis item

Display

Description

Steer. Angle Sensor

ON/OFF

Input status of steering angle sensor is displayed by ON/OFF. 

Reverse Sensor

ON/OFF

Input status of reverse signal inputted to around view monitor control unit is dis-
played by ON/OFF in real time. 

Vehicle Speed Sensor

ON/OFF

• Input status of vehicle speed signal inputted to around view monitor control 

unit is displayed by ON/OFF. 

• When the vehicle speed signal is input, it is turned ON. It remains ON until con-

nection confirmation mode is stopped. 

Camera Switch

ON/OFF

• The status of camera switch signal received via AV communication from AV 

control unit is displayed by ON/OFF. 

• When the camera switch signal is received once, it is turned ON. It remains 

ON until connection confirmation mode is stopped. 

IGN

ON/OFF

Input status of ignition signal inputted to around view monitor control unit is dis-
played by ON/OFF in real time. 

ILL

ON/OFF

Input status of illumination signal inputted to around view monitor control unit is 
displayed by ON/OFF in real time.

AV

DIAGNOSIS SYSTEM (AROUND VIEW MONITOR CONTROL UNIT)

AV-45

< SYSTEM DESCRIPTION >

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Calibrating Camera Image

• Perform the calibration of camera image caused by the incorrect

mounting position of each camera, etc. Always perform calibration
after performing the following work.

- When each camera or each camera mount (door mirror, front grille,

etc.) is removed

- When replacing around view monitor control unit
• When performing the calibration initialization, it can be set to the

NISSAN factory shipment condition. 

Refer to 

AV-112, "Work Procedure"

 for the calibration procedure. 

Calibrating Camera Image item

CAUTION:

Type of Steer. Angle Sensor

Abslt.

The input type of steering angle sensor is displayed. (“Abslt.” is displayed on this 
model.)

Type of Steer. Gear ratio

1

The type of steering gear ratio is displayed. (“1” is displayed on this model.)

Left or Right Steer.

Right/Left

The steering position is displayed.

Rear Camera Image Output signal

OK/NG

The input status of rear camera image signal is displayed by OK/NG in real time. 

Rear Camera COMM Status

OK/NG

The communication status with rear camera is displayed by OK/NG in real time. 

Rear Camera COMM Line

OK/NG

The status of communication line with rear camera is displayed by OK/NG in real 
time. 

Front Camera Image Output signal

OK/NG

The input status of front camera image signal is displayed by OK/NG in real time. 

Front Camera COMM Status

OK/NG

The communication status with front camera is displayed by OK/NG in real time. 

Front Camera COMM Line

OK/NG

The status of communication line with front camera is displayed by OK/NG in real 
time. 

Pass-Side Camera Image Output sig-
nal

OK/NG

The input status of side camera RH image signal is displayed by OK/NG in real 
time. 

Pass-Side Camera COMM Status

OK/NG

The communication status with side camera RH is displayed by OK/NG in real 
time. 

Pass-Side Camera COMM Line

OK/NG

The status of communication line with side camera RH is displayed by OK/NG in 
real time. 

Dr-Side Camera Image Output signal

OK/NG

The input status of side camera LH image signal is displayed by OK/NG in real 
time. 

Dr-Side Camera COMM Status

OK/NG

The communication status with side camera LH is displayed by OK/NG in real 
time. 

Dr-Side Camera COMM Line

OK/NG

The status of communication line with side camera LH is displayed by OK/NG in 
real time. 

Diagnosis item

Display

Description

JSNIA2379ZZ

Adjustment range

Rotating direction

: 31 patterns (16 on the center)

Upper/lower direction

: (

99) – (+99)

Left/right direction

: (

99) – (+99)

Items

Description

Rear Camera

Performs the calibration of rear camera.

Pass-Side Camera

Performs the calibration of side camera RH.

Front Camera

Performs the calibration of front camera.

Dr-Side Camera

Performs the calibration of side camera LH.

Initialize Camera Image Calibration

*

The calibration can be initialized to the factory shipment setting. 

 

 

 

 

 

 

 

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