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Page 338 of 5598

INFINITI QX56 2011 Factory Service Manual
AV-190
< DTC/CIRCUIT DIAGNOSIS >
SIDE CAMERA RH COMMUNICATION SIGNAL CIRCUIT
SIDE CAMERA RH COMMUNICATION SIGNAL CIRCUIT
DescriptionINFOID:0000000006216362
Around view monitor control unit supplies

Page 339 of 5598

INFINITI QX56 2011 Factory Service Manual
AV
SIDE CAMERA RH IMAGE SIGNAL CIRCUITAV-191
< DTC/CIRCUIT DIAGNOSIS >
C
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SIDE CAMERA RH IM AGE SIGNAL CIRCUIT
DescriptionINFOID:0000000006216364
Around view monitor contr

AV
SIDE CAMERA RH IMAGE SIGNAL CIRCUITAV-191
< DTC/CIRCUIT DIAGNOSIS >
C
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M B A
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SIDE CAMERA RH IM AGE SIGNAL CIRCUIT
DescriptionINFOID:0000000006216364
Around view monitor control unit supplies to the front camera, rear camera and side camera. And then it
superimpose the images from each camera and outputs then to the front display unit.
Superimpose the guiding lines, predictive course line and sonar indicator to the camera image that outputs
to the front display unit.
Around view monitor control unit performs the rec eption/transmission of communication signal with each
camera.
Diagnosis ProcedureINFOID:0000000006216365
1.CHECK CONTINUITY SIDE CAMERA RH POWER SUPPLY AND GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect control unit connector and door mirror (passenger side) connector.
3. Check continuity between around view monitor c ontrol unit harness connector and door mirror (passenger
side) harness connector.
4. Check continuity between around view monitor control unit harness connector and ground.
Is inspection result normal?
YES >> GO TO 2.
NO >> Repair harness or connector.
2.CHECK VOLTAGE SIDE CAMERA RH POWER SUPPLY
1. Connect around view monitor control unit connec tor and door mirror (passenger side) connector.
2. Turn ignition switch ON.
3. Check voltage between around view monitor control unit harness connector and ground.
Is inspection result normal?
YES >> GO TO 3.
NO >> Replace around view monitor control unit. Refer to AV-233, "
Removal and Installation".
3.CHECK CONTINUITY SIDE CAMERA RH IMAGE SIGNAL CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect around view monitor control unit connec tor and door mirror (passenger side) connector.
3. Check continuity between around view monitor c ontrol unit harness connector and door mirror (passenger
side) harness connector.
Around view monitor control
unit Door mirror
(passenger side) Continuity
Connector Terminals Connector Terminals
M48 32
D23 18
Existed
34 6
Around view monitor control unit GroundContinuity
Connector Terminal
M48 34 Not existed
(+)
(− ) Condition Vo l ta g e
(Approx.)
Around view monitor control
unit
Connector Terminal
M48 34 Ground “CAMERA” switch is ON or
shift position is “R”.
6.0 V
Revision: 2010 May2011 QX56

Page 340 of 5598

INFINITI QX56 2011 Factory Service Manual
AV-192
< DTC/CIRCUIT DIAGNOSIS >
SIDE CAMERA RH IMAGE SIGNAL CIRCUIT
4. Check continuity between around view monitor control unit harness connector and ground.
Is inspection result normal?
YES >> GO

Page 341 of 5598

INFINITI QX56 2011 Factory Service Manual
AV
STEERING SWITCH SIGNAL A CIRCUITAV-193
< DTC/CIRCUIT DIAGNOSIS >
C
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STEERING SWITCH SI GNAL A CIRCUIT
DescriptionINFOID:0000000006216366
Transmits the steering switch sig

Page 343 of 5598

INFINITI QX56 2011 Factory Service Manual
AV
STEERING SWITCH SIGNAL B CIRCUITAV-195
< DTC/CIRCUIT DIAGNOSIS >
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STEERING SWITCH SI GNAL B CIRCUIT
DescriptionINFOID:0000000006216369
Transmits the steering switch sig

Page 345 of 5598

INFINITI QX56 2011 Factory Service Manual
AV
STEERING SWITCH GROUND CIRCUITAV-197
< DTC/CIRCUIT DIAGNOSIS >
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STEERING SWITCH GROUND CIRCUIT
DescriptionINFOID:0000000006216372
Transmits the steering switch signal

Page 347 of 5598

INFINITI QX56 2011 Factory Service Manual
AV
MULTI AV SYSTEM SYMPTOMSAV-199
< SYMPTOM DIAGNOSIS >
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SYMPTOM DIAGNOSIS
MULTI AV SYSTEM SYMPTOMS
Symptom TableINFOID:0000000006216375
RELATED TO NAVIGATION
RELATED TO H

AV
MULTI AV SYSTEM SYMPTOMSAV-199
< SYMPTOM DIAGNOSIS >
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SYMPTOM DIAGNOSIS
MULTI AV SYSTEM SYMPTOMS
Symptom TableINFOID:0000000006216375
RELATED TO NAVIGATION
RELATED TO HANDS-FREE PHONE
Simple Check for Bluetooth™ Communication
If cellular phone and AV control unit cannot be connected with Bluetooth™ communication, following proce-
dure allows the technician to judge which device has malfunction.
1. Turn ON cellular phone, not connecting Bluetooth
™ communication.
2. Start CONSULT-III, then start Windows
®.
3. Set CONSULT-III near a cellular phone.
4. When operated Bluetooth
™ registration by cellular phone, check
if CONSULT-III
* would be displayed on the device name.
(If other Bluetooth
™ device is located near cellular phone, a
name of the device would be displayed also.)
NOTE:
*:Displayed device name is “NISSAN- ”.
If no device name is displayed, cellular phone is malfunctioning. Repair the cellular phone first, then perform diagnosis.
If CONSULT-III is displayed on device name, cellular phone is nor- mal. Perform diagnosis as per the following table.
Symptoms Check items Probable malfunction location
Multifunction switch and preset
switch operation does not work. All switches cannot be operated.
“MULTI AV” is displayed on system
selection screen when the CON-
SULT-III is started. Multifunction switch power supply and ground circuit
malfunction.
AV communication circuit between AV control unit and
multifunction switch.
Perform CONSULT-III self-diagnosis. Refer to AV- 3 9 ,
"CONSULT-III Function".
All switches cannot be operated.
“MULTI AV” is not displayed on sys- tem selection screen when the CON-
SULT-III is initialized. AV control unit power supply and ground circuit malfunc-
tion. Refer to
AV- 1 6 1 , "
AV CONTROL UNIT : Diagnosis
Procedure".
Only specified switch cannot be operat-
ed. Multifunction switch or preset switch malfunction.
Perform multifunction switch and preset switch self-di-
agnosis function. Refer to
AV- 2 8 , "
On Board Diagnosis
Function".
Fuel economy display is abnor-
mal. There is malfunction in the CONSULT-
III “self-diagnosis result” of “MULTI AV”.
Refer to
AV- 3 9 , "
CONSULT-III Func-
tion". Perform detected DTC diagnosis.
Refer to
AV- 5 7 , "
DTC Index".
There is no malfunction in the CON-
SULT-III “self-diagnosis results” of
“MULTI AV”.
Refer to AV- 3 9 , "
CONSULT-III Func-
tion". Ignition signal circuit malfunction.
Guide sound is not heard or too
low. On the setting display select “system
sound (guide sound volume, etc.),” and
confirm that guide sound is ON. AV control unit malfunction.
Replace AV control unit. Refer to
AV- 2 1 2 , "
Removal and
Installation".
JPNIA0441GB
Revision: 2010 May2011 QX56

Page 349 of 5598

INFINITI QX56 2011 Factory Service Manual
AV
MULTI AV SYSTEM SYMPTOMSAV-201
< SYMPTOM DIAGNOSIS >
C
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M B A
O P
RELATED TO CAMERA ASSISTANCE SONAR
The predicted course line display in
front view and rear view is malfunc-
tion

AV
MULTI AV SYSTEM SYMPTOMSAV-201
< SYMPTOM DIAGNOSIS >
C
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F
G H
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M B A
O P
RELATED TO CAMERA ASSISTANCE SONAR
The predicted course line display in
front view and rear view is malfunc-
tioning. The “Steer. Angle Sensor” is not turned ON at “Con-
nection Confirmation” of “Camera Cont.”
Steering angle sensor signal circuits.
The front view screen is not dis- played.
The front of Birds-Eye view
screen is not displayed. Check the item Front
Camera in “Connec-
tion Confirmation”
mode of “Camera
Cont.” Image Output Signal: NG
COMM Status: NG
COMM Line: NG
Front camera image signal circuit
malfunction.
Front camera po wer supply and
ground circuits malfunction.
Refer to AV- 1 8 2 , "
Diagnosis Proce-
dure".
Image Output Signal: OK
COMM Status: NG
COMM Line: NG Front camera communication signal cir-
cuit malfunction. Refer to
AV-181, "
Di-
agnosis Procedure".
The rear view screen is not dis- played.
The rear of Birds-Eye view screen is not displayed. Check the item Rear
Camera in “Connec-
tion Confirmation”
mode of “Camera
Cont.” Image Output Signal: NG
COMM Status: NG
COMM Line: NG
Rear camera image signal circuit
malfunction.
Rear camera po wer supply and
ground circuits malfunction.
Refer to AV- 1 8 5 , "
Diagnosis Proce-
dure".
Image Output Signal: OK
COMM Status: NG
COMM Line: NG Rear camera communication signal cir-
cuits malfunction. Refer to
AV- 1 8 4 , "
Di-
agnosis Procedure".
The front-side screen is not dis- played.
The passenger side of Birds-Eye view screen is not displayed. Check the item Pass-
Side Camera in “Con-
nection Confirmation”
mode of “Camera
Cont.” Image Output Signal: NG
COMM Status: NG
COMM Line: NG
Side camera RH image signal circuit
malfunction.
Side camera RH power supply and
ground circuits malfunction.
Refer to AV- 1 9 1 , "
Diagnosis Proce-
dure".
Image Output Signal: OK
COMM Status: NG
COMM Line: NG Side camera RH communication cir-
cuit malfunction. Refer to AV- 1 9 0 ,
"Diagnosis Procedure".
The driver side of Birds-eye view
screen is not displayed. Check the item Dr-
Side Camera at “Con-
nection Confirmation”
mode of “Camera
Cont.” Image Output Signal: NG
COMM Status: NG
COMM Line: NG
Side camera LH image signal circuit
malfunction.
Side camera LH power supply and ground circuits malfunction.
Refer to AV- 1 8 8 , "
Diagnosis Proce-
dure".
Image Output Signal: OK
COMM Status: NG
COMM Line: NG Side camera LH communication cir-
cuit malfunction. Refer to AV- 1 8 7 ,
"Diagnosis Procedure".
When shift position is other than “R”
the front-side and front screen or the
Birds-Eye view and front screen re-
main displaying even if the vehicle
speed increases. —
Vehicle speed signal circuit malfunction
(around view moni
tor control unit).
Symptoms Check items
Probable malfunction location / Action
to take
Revision: 2010 May2011 QX56

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