Nissan Quest E52. Instruction — part 176
AV
POWER SUPPLY AND GROUND CIRCUIT
AV-583
< DTC/CIRCUIT DIAGNOSIS >
[BOSE AUDIO WITH NAVIGATION]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
Is inspection result normal?
YES
>> GO TO 2.
NO
>> Be sure to eliminate cause of malfunction before installing new fuse.
2.
CHECK POWER SUPPLY CIRCUITS
Check voltage between around view monitor control unit harness connector and ground.
Is inspection result normal?
YES
>> GO TO 3.
NO
>> Check harness between around view monitor control unit and fuse.
3.
CHECK GROUND CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect around view monitor control unit connector.
3.
Check continuity between around view monitor control unit harness connector and ground.
Is inspection result normal?
YES
>> INSPECTION END
NO
>> Repair harness or connector.
Power source
Fuse No.
Battery
35
Signal name
Connector
Terminal
Ignition switch position
Value (Approx.)
Battery power supply
M253
2
OFF
Battery voltage
Signal name
Connector
Terminal
Ignition switch position
Continuity
Ground
M253
1
OFF
Existed
AV-584
< DTC/CIRCUIT DIAGNOSIS >
[BOSE AUDIO WITH NAVIGATION]
COMPOSITE IMAGE SIGNAL CIRCUIT (AV CONTROL UNIT TO FRONT DIS-
PLAY UNIT)
COMPOSITE IMAGE SIGNAL CIRCUIT (AV CONTROL UNIT TO FRONT
DISPLAY UNIT)
Description
INFOID:0000000009652379
The AV control unit outputs image signal (DVD, USB memory-stored video data, and auxiliary input) to the
front display unit and rear display unit by composite image signal.
Diagnosis Procedure
INFOID:0000000009652380
1.
CHECK CONTINUITY COMPOSITE IMAGE SIGNAL CIRCUIT (AV CONTROL UNIT TO FRONT DISPLAY
UNIT)
1.
Turn ignition switch OFF.
2.
Disconnect AV control unit connector and front display unit connector.
3.
Check continuity between AV control unit harness connector and front display unit harness connector.
4.
Check continuity between AV control unit harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair harness or connector.
2.
CHECK COMPOSITE IMAGE SIGNAL (AV CONTROL UNIT TO FRONT DISPLAY UNIT)
1.
Connect AV control unit connector and front display unit connector.
2.
Turn ignition switch ON.
3.
Check signal between front display unit harness connector.
Is the inspection result normal?
YES
>> Replace front display unit. Refer to
AV-611, "Removal and Installation"
.
NO
>> Replace AV control unit. Refer to
AV-610, "Removal and Installation"
.
AV control unit
Front display unit
Continuity
Connector
Terminal
Connector
Terminal
M180
67
M155
19
Existed
68
18
AV control unit
Ground
Continuity
Connector
Terminal
M180
67
Not existed
68
Probe
Condition
Standard
Reference value
(+)
(+)
Front display unit
Connector
Terminal
Connector
Terminal
M155
18
M155
19
When DVD,
USB or AUX
image is dis-
played.
Waveform according to
composite image is in-
put.
SKIB2251J
AV
COMPOSITE IMAGE SIGNAL CIRCUIT (AV CONTROL UNIT TO REAR DISPLAY
UNIT)
AV-585
< DTC/CIRCUIT DIAGNOSIS >
[BOSE AUDIO WITH NAVIGATION]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
COMPOSITE IMAGE SIGNAL CIRCUIT (AV CONTROL UNIT TO REAR DIS-
PLAY UNIT)
Description
INFOID:0000000009652381
The AV control unit outputs image signal (DVD, USB memory-stored video data, and auxiliary input) to the
front display unit and rear display unit by composite image signal.
Diagnosis Procedure
INFOID:0000000009652382
1.
CHECK CONTINUITY COMPOSITE IMAGE SIGNAL CIRCUIT (AV CONTROL UNIT TO REAR DISPLAY
UNIT)
1.
Turn ignition switch OFF.
2.
Disconnect AV control unit connector and rear display unit connector.
3.
Check continuity between AV control unit harness connector and rear display unit harness connector.
4.
Check continuity between AV control unit harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair harness or connector.
2.
CHECK COMPOSITE IMAGE SIGNAL (AV CONTROL UNIT TO REAR DISPLAY UNIT)
1.
Connect AV control unit and rear display unit connector.
2.
Turn ignition switch ON.
3.
Check signal between rear display unit harness connector.
Is the inspection result normal?
YES
>> Replace rear display unit. Refer to
AV-612, "Removal and Installation"
NO
>> Replace AV control unit. Refer to
AV-610, "Removal and Installation"
.
AV control unit
Rear display unit
Continuity
Connector
Terminal
Connector
Terminal
M179
34
R36
7
Existed
33
8
AV control unit
Ground
Continuity
Connector
Terminal
M179
34
Not existed
33
Probe
Condition
Standard
Reference value
(+)
(
−
)
Rear display unit
Connector
Terminal
Connector
Terminal
R36
7
R36
8
When DVD,
USB or AUX
image is dis-
played.
Waveform according to
composite image is in-
put.
SKIB2251J
AV-586
< DTC/CIRCUIT DIAGNOSIS >
[BOSE AUDIO WITH NAVIGATION]
RGB DIGITAL IMAGE SIGNAL CIRCUIT
RGB DIGITAL IMAGE SIGNAL CIRCUIT
Description
INFOID:0000000009652383
Transmit the image displayed with AV control unit with RGB digital image signal to the front display unit.
Diagnosis Procedure
INFOID:0000000009652384
1.
CHECK CONTINUITY RGB DIGITAL IMAGE SIGNAL CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect AV control unit connector and front display unit connector.
3.
Check continuity between AV control unit harness connector and front display unit harness connector.
4.
Check continuity between AV control unit harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair harness or connector.
2.
CHECK RGB DIGITAL IMAGE SIGNAL
1.
Connect AV control unit connector.
2.
Turn ignition switch ON.
3.
Check signal between front display unit harness connector and ground.
Is the inspection result normal?
YES
>> Replace front display unit. Refer to
AV-611, "Removal and Installation"
.
NO
>> Replace AV control unit. Refer to
AV-610, "Removal and Installation"
.
AV control unit
Front display unit
Continuity
Connector
Terminals
Connector
Terminals
M357
157
M358
27
Existed
158
28
AV control unit
Ground
Continuity
Connector
Terminals
M357
157
Not existed
158
Probe
Voltage
(Approx.)
(+)
(
−
)
AV control unit
Connector
Terminal
M357
157
Ground
3.0 V
158
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