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 inspection result normal?
YES >> GO TO 4.
NO >> Repair harness or connector.
4.CHECK FRONT CAMERA IMAGE SIGNAL
1. Connect around view monitor control uni t connector and front camera connector.
2. Turn ignition switch ON.
3. Check signal between around view monitor control unit harness connector.
Is inspection result normal?
YES >> Replace around view monitor control unit. Refer to AV-233, "Removal and Installation".
NO >> Replace front camera. Refer to AV-234, "
Removal and Installation".
Around view monitor control
unit Front camera
Continuity
Connector Terminals Connector Terminals
M49 41
E50 3
Existed
42 4
Around view monitor control unit GroundContinuity
Connector Terminals
M49 41, 42 Not existed
(+) ( −)
Condition Reference value
Around view monitor control unit
Connector Terminal Connector Terminal
M4941M4942 “CAMERA” switch is ON or
shift position is “R”.
JSNIA0834GB
Revision: 2010 May2011 QX56

AV-184
< DTC/CIRCUIT DIAGNOSIS >
REAR CAMERA COMMUNICATION SIGNAL CIRCUIT
REAR CAMERA COMMUNICATION SIGNAL CIRCUIT
DescriptionINFOID:0000000006216354
 Around view monitor control unit supplies to the front camera, rear camera and side came\
ra. 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:0000000006216355
1.CHECK CONTINUITY COMMUNI CATION SIGNAL CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect around view monitor control un it connector and rear camera connector.
3. Check continuity between around view monitor control unit harness connector and rear 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 COMMUNICATION SIGNAL
1. Connect around view monitor control unit connector and rear camera 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 rear camera. Refer to AV-235, "
Removal and Installation".
Around view monitor control
unit Rear camera
Continuity
Connector Terminal Connector Terminal
M48 35 D164 4 Existed
Around view monitor control unit GroundContinuity
Connector Terminal
M48 35 Not existed
(+)
(− ) Condition Reference value
Around view monitor control
unit
Connector Terminal
M48 35 Ground “CAMERA” switch is ON or shift
position is “R”.
JSNIA0836GB
Revision: 2010 May2011 QX56

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

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 4.
NO >> Repair harness or connector.
4.CHECK REAR CAMERA IMAGE SIGNAL
1. Connect around view monitor control unit connector and rear camera connector.
2. Turn ignition switch ON.
3. Check signal between around view monitor control unit harness connector.
Is inspection result normal?
YES >> Replace around view monitor control unit. Refer to AV-233, "Removal and Installation".
NO >> Replace rear camera. Refer to AV-235, "
Removal and Installation".
Around view monitor control
unit Rear camera
Continuity
Connector Terminals Connector Terminals
M48 39
D164 5
Existed
40 1
Around view monitor control unit GroundContinuity
Connector Terminals
M48 39, 40 Not existed
(+) ( −)
Condition Reference value
Around view monitor control unit
Connector Terminal Connector Terminal
M48 39 M48 40 “CAMERA” switch is ON or
shift position is “R”.
JSNIA0834GB
Revision: 2010 May2011 QX56

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

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

AV
SIDE CAMERA LH IMAGE SIGNAL CIRCUITAV-189
< 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 inspection result normal?
YES >> GO TO 4.
NO >> Repair harness or connector.
4.CHECK SIDE CAMERA LH IMAGE 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.
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 Terminals Connector Terminals
M49 51
D3 5
Existed
52 17
Around view monitor control unit GroundContinuity
Connector Terminals
M49 51, 52 Not existed
(+) ( −)
Condition Reference value
Around view monitor control unit
Connector Terminal Connector Terminal
M4951M4952 “CAMERA” switch is ON or
shift position is “R”.
JSNIA0834GB
Revision: 2010 May2011 QX56

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 to the front camera, rear camera and side came\
ra. 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:0000000006216363
1.CHECK CONTINUITY COMMUNI CATION SIGNAL CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect around view monitor control unit c onnector 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 m onitor 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 connector and door mirror (passenger 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 RH. Refer to AV-236, "
Removal and Installation".
Around view monitor control
unit Door mirror
(passenger side) Continuity
Connector Terminal Connector Terminal
M48 33 D23 3 Existed
Around view monitor control unit GroundContinuity
Connector Terminal
M48 33 Not existed
(+)
(− ) Condition Reference value
Around view monitor control
unit
Connector Terminal
M48 33 Ground “CAMERA” switch is ON or shift
position is “R”.
JSNIA0836GB
Revision: 2010 May2011 QX56

AV
SIDE CAMERA RH IMAGE SIGNAL CIRCUITAV-191
< DTC/CIRCUIT DIAGNOSIS >
C
DE
F
G H
I
J
K L
M B A
O P
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

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 TO 4.
NO >> Repair harness or connector.
4.CHECK SIDE CAMERA RH IMAGE SIGNAL
1. Connect around view monitor control unit connector and door mirror (passenger side) connector.
2. Turn ignition switch ON.
3. Check signal between around view monitor control unit harness connector.
Is inspection result normal?
YES >> Replace around view monitor control unit. Refer to AV-233, "Removal and Installation".
NO >> Replace side camera RH. Refer to AV-236, "
Removal and Installation".
Around view monitor control
unit Door mirror
(passenger side) Continuity
Connector Terminals Connector Terminals
M48 29
D23 5
Existed
30 17
Around view monitor control unit GroundContinuity
Connector Terminals
M48 29, 30 Not existed
(+) ( −)
Condition Reference value
Around view monitor control
unit Around view monitor control
unit
Connector Terminal Connector Terminal
M48 29 B48 30 “CAMERA” switch is ON or
shift position is “R”.
JSNIA0834GB
Revision: 2010 May2011 QX56