Nissan Murano Z51. Instruction — part 87
AV
RGB (B: BLUE) SIGNAL CIRCUIT (VIDEO DISTRIBUTOR TO REAR DISPLAY
UNIT)
AV-127
< DTC/CIRCUIT DIAGNOSIS >
[BOSE AUDIO WITHOUT NAVIGATION]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
RGB (B: BLUE) SIGNAL CIRCUIT (VIDEO DISTRIBUTOR TO REAR DIS-
PLAY UNIT)
Description
INFOID:0000000005528540
Transmit the image displayed with video distributor with RGB signal to the rear display unit.
Diagnosis Procedure
INFOID:0000000005528541
1.
CHECK CONTINUITY RGB (B: BLUE) SIGNAL CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect rear display unit connector and video distributor connector.
3.
Check continuity between rear display unit harness connector and video distributor harness connector.
4.
Check continuity between rear display unit harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair harness or connector.
2.
CHECK RGB (B: BLUE) SIGNAL
1.
Connect rear display unit connector and video distributor connector.
2.
Turn ignition switch ON.
3.
Check signal between rear display unit harness connector and ground using an oscilloscope.
Is the inspection result normal?
YES
>> Replace rear display unit.
NO
>> Replace video distributor.
Rear display unit
Video distributor
Continuity
Connector
Terminal
Connector
Terminal
R152
20
M257
28
Existed
Rear display unit
Ground
Continuity
Connector
Terminal
R152
20
Not existed
(+)
(
−
)
Condition
Signal
Rear display unit
Connector
Terminal
R152
20
Ground
Rear seat remote controller opera-
tion when AUX or DVD image is
displayed on rear display unit.
JSNIA1090ZZ
AV-128
< DTC/CIRCUIT DIAGNOSIS >
[BOSE AUDIO WITHOUT NAVIGATION]
COMPOSITE SYNCHRONIZING SIGNAL CIRCUIT (VIDEO DISTRIBUTOR TO
REAR DISPLAY UNIT)
COMPOSITE SYNCHRONIZING SIGNAL CIRCUIT (VIDEO DISTRIBUTOR
TO REAR DISPLAY UNIT)
Description
INFOID:0000000005528542
Transmit the composite synchronizing signal to the rear display unit so as to synchronize the composite image
displayed with video distributor.
Diagnosis Procedure
INFOID:0000000005528543
1.
CHECK CONTINUITY COMPOSITE SYNCHRONIZING SIGNAL CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect rear display unit connector and video distributor connector.
3.
Check continuity between rear display unit harness connector and video distributor harness connector.
4.
Check continuity between rear display unit harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair harness or connector.
2.
CHECK COMPOSITE SYNCHRONIZING SIGNAL
1.
Connect rear display unit connector and video distributor connector.
2.
Turn ignition switch ON.
3.
Check signal between rear display unit harness connector and ground using an oscilloscope.
Is the inspection result normal?
YES
>> Replace rear display unit.
NO
>> Replace video distributor.
Rear display unit
Video distributor
Continuity
Connector
Terminal
Connector
Terminal
R152
13
M257
33
Existed
Rear display unit
Ground
Continuity
Connector
Terminal
R152
13
Not existed
(+)
(
−
)
Condition
Signal
Rear display unit
Connector
Terminal
R152
13
Ground
When AUX or DVD image is dis-
played on rear display unit.
SKIB0825E
AV
RGB AREA (YS) SIGNAL CIRCUIT (VIDEO DISTRIBUTOR TO REAR DISPLAY
UNIT)
AV-129
< DTC/CIRCUIT DIAGNOSIS >
[BOSE AUDIO WITHOUT NAVIGATION]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
RGB AREA (YS) SIGNAL CIRCUIT (VIDEO DISTRIBUTOR TO REAR DIS-
PLAY UNIT)
Description
INFOID:0000000005528544
Transmits the display area of RGB image displayed by video distributor with RGB area (YS) signal to rear dis-
play unit.
Diagnosis Procedure
INFOID:0000000005528545
1.
CHECK CONTINUITY RGB AREA (YS) SIGNAL CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect rear display unit connector and video distributor connector.
3.
Check continuity between rear display unit harness connector and video distributor harness connector.
4.
Check continuity between rear display unit harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair harness or connector.
2.
CHECK RGB AREA (YS) SIGNAL
1.
Connect rear display unit connector and video distributor connector.
2.
Turn ignition switch ON.
3.
Check signal between rear display unit harness connector and ground using an oscilloscope.
Is the inspection result normal?
YES
>> Replace rear display unit.
NO
>> Replace video distributor.
Rear display unit
Video distributor
Continuity
Connector
Terminal
Connector
Terminal
R152
15
M257
32
Existed
Rear display unit
Ground
Continuity
Connector
Terminal
R152
15
Not existed
(+)
(
−
)
Condition
Signal
Rear display unit
Connector
Terminal
R152
15
Ground
When AUX or DVD image is dis-
played on rear display unit.
0 V
Rear seat remote controller opera-
tion when AUX or DVD image is
displayed on rear display unit.
PKIB4948J
AV-130
< DTC/CIRCUIT DIAGNOSIS >
[BOSE AUDIO WITHOUT NAVIGATION]
VP SIGNAL CIRCUIT (REAR DISPLAY UNIT TO VIDEO DISTRIBUTOR)
VP SIGNAL CIRCUIT (REAR DISPLAY UNIT TO VIDEO DISTRIBUTOR)
Description
INFOID:0000000005528546
In composite image (DVD and AUX images), transmit the vertical synchronizing (VP) signal and horizontal
synchronizing (HP) signal from rear display unit to video distributor so as to synchronize the RGB images dis-
played with video distributor such as the image quality adjusting menu, etc.
Diagnosis Procedure
INFOID:0000000005528547
1.
CHECK CONTINUITY VERTICAL SYNCHRONIZING (VP) SIGNAL CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect rear display unit connector and video distributor connector.
3.
Check continuity between rear display unit harness connector and video distributor harness connector.
4.
Check continuity between rear display unit harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair harness or connector.
2.
CHECK VERTICAL SYNCHRONIZING (VP) SIGNAL
1.
Connect rear display unit connector and video distributor connector.
2.
Turn ignition switch ON.
3.
Check signal between rear display unit harness connector and ground using an oscilloscope.
Is the inspection result normal?
YES
>> Replace video distributor.
NO
>> Replace rear display unit.
Rear display unit
Video distributor
Continuity
Connector
Terminal
Connector
Terminal
R152
17
M257
29
Existed
Rear display unit
Ground
Continuity
Connector
Terminal
R152
17
Not existed
(+)
(
−
)
Condition
Signal
Rear display unit
Connector
Terminal
R152
17
Ground
—
SKIB3598E
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