2011 INFINITI QX56 Factory Service Manual

fuel cap release wheelbase coolant temperature oil level fuel reserve water pump

Page 329 of 5598

INFINITI QX56 2011 Factory Service Manual
AV
FRONT CAMERA COMMUNICATION SIGNAL CIRCUITAV-181
< DTC/CIRCUIT DIAGNOSIS >
C
DE
F
G H
I
J
K L
M B A
O P
FRONT CAMERA COMMUNICATION SIGNAL CIRCUIT
DescriptionINFOID:0000000006216350
Around view mo

Page 330 of 5598

INFINITI QX56 2011 Factory Service Manual
AV-182
< DTC/CIRCUIT DIAGNOSIS >
FRONT CAMERA IMAGE SIGNAL CIRCUIT
FRONT CAMERA IMAGE SIGNAL CIRCUIT
DescriptionINFOID:0000000006216352
Around view monitor control unit supplies to the front camera

AV-182
< DTC/CIRCUIT DIAGNOSIS >
FRONT CAMERA IMAGE SIGNAL CIRCUIT
FRONT CAMERA IMAGE SIGNAL CIRCUIT
DescriptionINFOID:0000000006216352
Around view monitor control unit supplies to the front camera, rear camera and side came\
ra. And then itsuperimpose 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:0000000006216353
1.CHECK CONTINUITY FRONT CAMERA POWER SUPPLY AND GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect around view monitor control unit connector and front camera connector.
3. Check continuity between around view monitor c ontrol unit harness connector and front camera harness
connector.
4. Check continuity between around view m onitor control unit harness connector and ground.
Is inspection result normal?
YES >> GO TO 2.
NO >> Repair harness or connector.
2.CHECK VOLTAGE FRONT CAMERA POWER SUPPLY
1. Connect around view monitor control unit connector and front camera connector.
2. Turn ignition switch ON.
3. Check voltage between around view m onitor control unit harness connector.
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 FRONT CAMERA IMAGE SIGNAL CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect around view monitor control unit connector and front camera connector.
3. Check continuity between around view monitor c ontrol unit harness connector and front camera harness
connector.
Around view monitor control
unit Front camera
Continuity
Connector Terminals Connector Terminals
M49 44
E50 2
Existed
46 1
Around view monitor control unit GroundContinuity
Connector Terminal
M49 46 Not existed
(+)
(− ) Condition Vo l ta g e
(Approx.)
Around view monitor control
unit
Connector Terminal
M49 46 Ground “CAMERA” switch is ON or
shift position is “R”.
6.0 V
Revision: 2010 May2011 QX56

Page 331 of 5598

INFINITI QX56 2011 Factory Service Manual
AV
FRONT CAMERA IMAGE SIGNAL CIRCUITAV-183
< DTC/CIRCUIT DIAGNOSIS >
C
DE
F
G H
I
J
K L
M B A
O P4. Check continuity between around view monitor control unit harness connector and ground.
Is inspecti

Page 332 of 5598

INFINITI QX56 2011 Factory Service Manual
AV-184
< DTC/CIRCUIT DIAGNOSIS >
REAR CAMERA COMMUNICATION SIGNAL CIRCUIT
REAR CAMERA COMMUNICATION SIGNAL CIRCUIT
DescriptionINFOID:0000000006216354
Around view monitor control unit supplies to th

Page 333 of 5598

INFINITI QX56 2011 Factory Service Manual
AV
REAR CAMERA IMAGE SIGNAL CIRCUITAV-185
< DTC/CIRCUIT DIAGNOSIS >
C
DE
F
G H
I
J
K L
M B A
O P
REAR CAMERA IMAGE SIGNAL CIRCUIT
DescriptionINFOID:0000000006216356
Around view monitor control unit

AV
REAR CAMERA IMAGE SIGNAL CIRCUITAV-185
< DTC/CIRCUIT DIAGNOSIS >
C
DE
F
G H
I
J
K L
M B A
O P
REAR CAMERA IMAGE SIGNAL CIRCUIT
DescriptionINFOID:0000000006216356
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:0000000006216357
1.CHECK CONTINUITY REAR CAMERA POWER SUPPLY AND GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect around view monitor control unit connector and rear camera connector.
3. Check continuity between around view monitor c ontrol unit harness connector and rear camera 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 REAR CAMERA POWER SUPPLY
1. Connect around view monitor control unit connector and rear camera 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 REAR CAMERA IMAGE SIGNAL CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect around view monitor control unit connector and rear camera connector.
3. Check continuity between around view monitor c ontrol unit harness connector and rear camera harness
connector.
Around view monitor control
unit Rear camera
Continuity
Connector Terminals Connector Terminals
M48 36
D164 8
Existed
38 7
Around view monitor control unit GroundContinuity
Connector Terminal
M48 36 Not existed
(+)
(− ) Condition Vo l ta g e
(Approx.)
Around view monitor control
unit
Connector Terminal
M48 36 Ground “CAMERA” switch is ON or
shift position is “R”.
6.0 V
Revision: 2010 May2011 QX56

Page 334 of 5598

INFINITI QX56 2011 Factory Service Manual
AV-186
< DTC/CIRCUIT DIAGNOSIS >
REAR CAMERA IMAGE SIGNAL CIRCUIT
4. Check continuity between around view monitor control unit harness connector and ground.
Is inspection result normal?
YES >> GO TO

Page 335 of 5598

INFINITI QX56 2011 Factory Service Manual
AV
SIDE CAMERA LH COMMUNICATION SIGNAL CIRCUIT
AV-187
< DTC/CIRCUIT DIAGNOSIS >
C
D E
F
G H
I
J
K L
M B A
O P
SIDE CAMERA LH COMMUNI CATION SIGNAL CIRCUIT
DescriptionINFOID:0000000006216358
Around

AV
SIDE CAMERA LH COMMUNICATION SIGNAL CIRCUIT
AV-187
< DTC/CIRCUIT DIAGNOSIS >
C
D E
F
G H
I
J
K L
M B A
O P
SIDE CAMERA LH COMMUNI CATION SIGNAL CIRCUIT
DescriptionINFOID:0000000006216358
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:0000000006216359
1.CHECK CONTINUITY COMMUNI CATION SIGNAL CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect around view monitor control unit connector and door mirror (driver side) connector.
3. Check continuity between around view monitor control unit harness connector and door mirror (driver 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 COMMUNICATION SIGNAL
1. Connect around view monitor control unit c onnector and door mirror (driver side) connector.
2. Turn ignition switch ON.
3. Check signal between around view monitor control unit harness connector and ground.
Is inspection result normal?
YES >> Replace around view monitor control unit. Refer to AV-233, "Removal and Installation".
NO >> Replace side camera LH. Refer to AV-236, "
Removal and Installation".
Around view monitor control
unit Door mirror
(driver side) Continuity
Connector Terminal Connector Terminal
M49 47 D3 3 Existed
Around view monitor control unit GroundContinuity
Connector Terminal
M49 47 Not existed
(+)
(− ) Condition Reference value
Around view monitor control
unit
Connector Terminal
M49 47 Ground “CAMERA” switch is ON or shift
position is “R”.
JSNIA0836GB
Revision: 2010 May2011 QX56

Page 336 of 5598

INFINITI QX56 2011 Factory Service Manual
AV-188
< DTC/CIRCUIT DIAGNOSIS >
SIDE CAMERA LH IMAGE SIGNAL CIRCUIT
SIDE CAMERA LH IMAGE SIGNAL CIRCUIT
DescriptionINFOID:0000000006216360
Around view monitor control unit supplies to the front ca

AV-188
< DTC/CIRCUIT DIAGNOSIS >
SIDE CAMERA LH IMAGE SIGNAL CIRCUIT
SIDE CAMERA LH IMAGE SIGNAL CIRCUIT
DescriptionINFOID:0000000006216360
Around view monitor control unit supplies to the front camera, rear camera and side came\
ra. And then itsuperimpose 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:0000000006216361
1.CHECK CONTINUITY SIDE CAMERA LH POWER SUPPLY AND GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect around view monitor control unit connector and door mirror (driver side) connector.
3. Check continuity between around view monitor c ontrol unit harness connector and door mirror (driver
side) harness connector.
4. Check continuity between around view m onitor control unit harness connector and ground.
Is inspection result normal?
YES >> GO TO 2.
NO >> Repair harness or connector.
2.CHECK VOLTAGE SIDE CA MERA LH POWER SUPPLY
1. Connect around view monitor control unit connector and door mirror (driver side) connector.
2. Turn ignition switch ON.
3. Check voltage between around view monito r 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 LH IMAGE SIGNAL CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect around view monitor control unit connector and door mirror (driver side) connector.
3. Check continuity between around view monitor c ontrol unit harness connector and door mirror (driver
side) harness connector.
Around view monitor control
unit Door mirror (driver side)
Continuity
Connector Terminals Connector Terminals
M49 48
D3 6
Existed
50 18
Around view monitor control unit GroundContinuity
Connector Terminal
M49 48 Not existed
(+)
(− ) Condition Vo l ta g e
(Approx.)
Around view monitor control
unit
Connector Terminal
M49 48 Ground “CAMERA” switch is ON or
shift position is “R”.
6.0 V
Revision: 2010 May2011 QX56

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