Nissan Murano Z51 (2008 year). Manual — part 21
AV
POWER SUPPLY AND GROUND CIRCUIT
AV-109
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITHOUT NAVIGATION]
C
D
E
F
G
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B
A
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P
2.
CHECK POWER SUPPLY CIRCUIT
Check voltage between iPod adapter harness connector and ground.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Check harness between iPod adapter and fuse.
SATELLITE RADIO TUNER
SATELLITE RADIO TUNER : Diagnosis Procedure
INFOID:0000000003356788
1.
CHECK FUSE
Check for blown fuses.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Be sure to eliminate the cause of malfunction before installing new fuse.
2.
CHECK POWER SUPPLY CIRCUIT
Check voltage between satellite radio tuner harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Check harness between satellite radio tuner and fuse.
3.
CHECK GROUND CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect satellite radio tuner.
3.
Check continuity between satellite radio tuner harness connector and ground.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Repair harness or connector.
TEL ADAPTER UNIT
TEL ADAPTER UNIT : Diagnosis Procedure
INFOID:0000000003356789
1.
CHECK FUSE
Check for blown fuses.
Signal name
Connector No.
Terminal No.
Ignition switch position
Value (Approx.)
Battery power supply
M148
5
OFF
Battery voltage
ACC power supply
3
ACC
Power source
Fuse No.
Battery
35
Ignition switch ACC or ON
19
Signal name
Connector No.
Terminal No.
Ignition switch position
Value (Approx.)
Battery power supply
B48
12
OFF
Battery voltage
ACC power supply
16
ACC
Signal name
Connector No.
Terminal No.
Ignition switch position
Continuity
Ground
B48
15
OFF
Existed
Revision: 2008 October
2009 Murano
AV-110
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITHOUT NAVIGATION]
POWER SUPPLY AND GROUND CIRCUIT
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Be sure to eliminate the cause of malfunction before installing new fuse.
2.
CHECK POWER SUPPLY CIRCUIT
Check voltage between TEL adapter unit harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Check harness between TEL adapter unit and fuse.
3.
CHECK GROUND CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect TEL adapter unit connector.
3.
Check continuity between TEL adapter unit harness connector and ground.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Repair harness or connector.
Power source
Fuse No.
Battery
35
Ignition switch ACC or ON
19
Ignition switch ON or START
3
Signal name
Connector No.
Terminal No.
Ignition switch position
Value (Approx.)
Battery power supply
B39
1
OFF
Battery voltage
ACC power supply
2
ACC
Ignition signal
3
ON
Signal name
Connector No.
Terminal No.
Ignition switch position
Continuity
Ground
B39
4, 14, 20, 24
OFF
Existed
Revision: 2008 October
2009 Murano
AV
RGB (R: RED) SIGNAL CIRCUIT (AV CONTROL UNIT TO FRONT DISPLAY
UNIT)
AV-111
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITHOUT NAVIGATION]
C
D
E
F
G
H
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J
K
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M
B
A
O
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RGB (R: RED) SIGNAL CIRCUIT (AV CONTROL UNIT TO FRONT DISPLAY
UNIT)
Description
INFOID:0000000003509176
Transmit the image displayed with AV control unit with RGB image signal to the front display unit.
Diagnosis Procedure
INFOID:0000000003509177
1.
CHECK CONTINUITY RGB (R: RED) SIGNAL CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect front display unit connector and AV control unit connector.
3.
Check continuity between front display unit harness connector and AV control unit harness connector.
4.
Check continuity between front display unit harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair harness or connector.
2.
CHECK RGB (R: RED) SIGNAL
1.
Connect front display unit connector and AV control unit connector.
2.
Turn ignition switch ON.
3.
Check signal between front display unit harness connector and ground using an oscilloscope.
Is the inspection result normal?
YES
>> Replace front display unit.
NO
>> Replace AV control unit.
Front display unit
AV control unit
Continuity
Connector
Terminal
Connector
Terminal
M49
17
M129
40
Existed
Front display unit
Ground
Continuity
Connector
Terminal
M49
17
Not existed
(+)
(
−
)
Condition
Signal
Front display unit
Connector
Terminal
M49
17
Ground
Start confirmation/adjustment
mode, and then display color bar
by selecting “Color Spectrum Bar”
on DISPLAY DIAGNOSIS screen.
SKIB2238J
Revision: 2008 October
2009 Murano
AV-112
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITHOUT NAVIGATION]
RGB (G: GREEN) SIGNAL CIRCUIT (AV CONTROL UNIT TO FRONT DISPLAY
UNIT)
RGB (G: GREEN) SIGNAL CIRCUIT (AV CONTROL UNIT TO FRONT DIS-
PLAY UNIT)
Description
INFOID:0000000003509180
Transmit the image displayed with AV control unit with RGB image signal to the front display unit.
Diagnosis Procedure
INFOID:0000000003509181
1.
CHECK CONTINUITY RGB (G: GREEN) SIGNAL CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect front display unit connector and AV control unit connector.
3.
Check continuity between front display unit harness connector and AV control unit harness connector.
4.
Check continuity between front display unit harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair harness or connector.
2.
CHECK RGB (G: GREEN) SIGNAL
1.
Connect front display unit connector and AV control unit connector.
2.
Turn ignition switch ON.
3.
Check signal between front display unit harness connector and ground using an oscilloscope.
Is the inspection result normal?
YES
>> Replace front display unit.
NO
>> Replace AV control unit.
Front display unit
AV control unit
Continuity
Connector
Terminal
Connector
Terminal
M49
6
M129
39
Existed
Front display unit
Ground
Continuity
Connector
Terminal
M49
6
Not existed
(+)
(
−
)
Condition
Signal
Front display unit
Connector
Terminal
M49
6
Ground
Start confirmation/adjustment
mode, and then display color bar
by selecting “Color Spectrum Bar”
on DISPLAY DIAGNOSIS screen.
SKIB2236J
Revision: 2008 October
2009 Murano
AV
RGB (B: BLUE) SIGNAL CIRCUIT (AV CONTROL UNIT TO FRONT DISPLAY
UNIT)
AV-113
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITHOUT NAVIGATION]
C
D
E
F
G
H
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K
L
M
B
A
O
P
RGB (B: BLUE) SIGNAL CIRCUIT (AV CONTROL UNIT TO FRONT DIS-
PLAY UNIT)
Description
INFOID:0000000003509184
Transmit the image displayed with AV control unit with RGB image signal to the front display unit.
Diagnosis Procedure
INFOID:0000000003509185
1.
CHECK CONTINUITY RGB (B: BLUE) SIGNAL CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect front display unit connector and AV control unit connector.
3.
Check continuity between front display unit harness connector and AV control unit harness connector.
4.
Check continuity between front 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 front display unit connector and AV control unit connector.
2.
Turn ignition switch ON.
3.
Check signal between front display unit harness connector and ground using an oscilloscope.
Is the inspection result normal?
YES
>> Replace front display unit.
NO
>> Replace AV control unit.
Front display unit
AV control unit
Continuity
Connector
Terminal
Connector
Terminal
M49
18
M129
38
Existed
Front display unit
Ground
Continuity
Connector
Terminal
M49
18
Not existed
(+)
(
−
)
Condition
Signal
Front display unit
Connector
Terminal
M49
18
Ground
Start confirmation/adjustment
mode, and then display color bar
by selecting “Color Spectrum Bar”
on DISPLAY DIAGNOSIS screen.
SKIB2237J
Revision: 2008 October
2009 Murano
AV-114
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITHOUT NAVIGATION]
RGB SYNCHRONIZING SIGNAL CIRCUIT
RGB SYNCHRONIZING SIGNAL CIRCUIT
Description
INFOID:0000000003356796
Transmit the RGB synchronizing signal to the front display unit so as to synchronize the RGB image displayed
with AV control unit.
Diagnosis Procedure
INFOID:0000000003356797
1.
CHECK CONTINUITY RGB SYNCHRONIZING SIGNAL CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect front display unit connector and AV control unit connector.
3.
Check continuity between front display unit harness connector and AV control unit harness connector.
4.
Check continuity between front display unit harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair harness or connector.
2.
CHECK RGB SYNCHRONIZING SIGNAL
1.
Connect front display unit connector and AV control unit connector.
2.
Turn ignition switch ON.
3.
Check signal between front display unit harness connector and ground using an oscilloscope.
Is the inspection result normal?
YES
>> Replace front display unit.
NO
>> Replace AV control unit.
Front display unit
AV control unit
Continuity
Connector
Terminal
Connector
Terminal
M49
19
M129
41
Existed
Front display unit
Ground
Continuity
Connector
Terminal
M49
19
Not existed
(+)
(
−
)
Condition
Signal
Front display unit
Connector
Terminal
M49
19
Ground
—
SKIB3603E
Revision: 2008 October
2009 Murano
AV
RGB AREA (YS) SIGNAL CIRCUIT (AV CONTROL UNIT TO FRONT DISPLAY
UNIT)
AV-115
< COMPONENT 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 (AV CONTROL UNIT TO FRONT DIS-
PLAY UNIT)
Description
INFOID:0000000003509188
Transmits the display area of RGB image displayed by AV control unit with RGB area (YS) signal to front dis-
play unit.
Diagnosis Procedure
INFOID:0000000003509189
1.
CHECK CONTINUITY RGB AREA (YS) SIGNAL CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect front display unit connector and AV control unit connector.
3.
Check continuity between front display unit harness connector and AV control unit harness connector.
4.
Check continuity between front 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 front display unit connector and AV control unit connector.
2.
Turn ignition switch ON.
3.
Check signal between front display unit harness connector and ground using an oscilloscope.
Is the inspection result normal?
YES
>> Replace front display unit.
NO
>> Replace AV control unit.
Front display unit
AV control unit
Continuity
Connector
Terminal
Connector
Terminal
M49
9
M129
43
Existed
Front display unit
Ground
Continuity
Connector
Terminal
M49
9
Not existed
(+)
(
−
)
Condition
Signal
Front display unit
Connector
Terminal
M49
9
Ground
When RGB image is displayed.
Approx. 5.0 V
When AUX image is displayed.
PKIB4948J
Revision: 2008 October
2009 Murano
AV-116
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITHOUT NAVIGATION]
HP SIGNAL CIRCUIT (FRONT DISPLAY UNIT TO AV CONTROL UNIT)
HP SIGNAL CIRCUIT (FRONT DISPLAY UNIT TO AV CONTROL UNIT)
Description
INFOID:0000000003509192
In composite image (DVD image, AUX image, camera image), transmit the vertical synchronizing (VP) signal
and horizontal synchronizing (HP) signal from front display unit to AV control unit so as to synchronize the
RGB images displayed with AV control unit such as the image quality adjusting menu, etc.
Diagnosis Procedure
INFOID:0000000003509193
1.
CHECK CONTINUITY HORIZONTAL SYNCHRONIZING (HP) SIGNAL CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect front display unit connector and AV control unit connector.
3.
Check continuity between front display unit harness connector and AV control unit harness connector.
4.
Check continuity between front display unit harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair harness or connector.
2.
CHECK HORIZONTAL SYNCHRONIZING (HP) SIGNAL
1.
Connect front display unit connector and AV control unit connector.
2.
Turn ignition switch ON.
3.
Check signal between front display unit harness connector and ground using an oscilloscope.
Is the inspection result normal?
YES
>> Replace AV control unit.
NO
>> Replace front display unit.
Front display unit
AV control unit
Continuity
Connector
Terminal
Connector
Terminal
M49
8
M129
45
Existed
Front display unit
Ground
Continuity
Connector
Terminal
M49
8
Not existed
(+)
(
−
)
Condition
Signal
Front display unit
Connector
Terminal
M49
8
Ground
—
SKIB3603E
Revision: 2008 October
2009 Murano
AV
VP SIGNAL CIRCUIT (FRONT DISPLAY UNIT TO AV CONTROL UNIT)
AV-117
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITHOUT NAVIGATION]
C
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VP SIGNAL CIRCUIT (FRONT DISPLAY UNIT TO AV CONTROL UNIT)
Description
INFOID:0000000003509196
In composite image (DVD, AUX and camera image), transmit the vertical synchronizing (VP) signal and hori-
zontal synchronizing (HP) signal from front display unit to AV control unit so as to synchronize the RGB
images displayed with AV control unit such as the image quality adjusting menu, etc.
Diagnosis Procedure
INFOID:0000000003509197
1.
CHECK CONTINUITY VERTICAL SYNCHRONIZING (VP) SIGNAL CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect front display unit connector and AV control unit connector.
3.
Check continuity between front display unit harness connector and AV control unit harness connector.
4.
Check continuity between front 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 front display unit connector and AV control unit connector.
2.
Turn ignition switch ON.
3.
Check signal between front display unit harness connector and ground using an oscilloscope.
Is the inspection result normal?
YES
>> Replace AV control unit.
NO
>> Replace front display unit.
Front display unit
AV control unit
Continuity
Connector
Terminal
Connector
Terminal
M49
20
M129
57
Existed
Front display unit
Ground
Continuity
Connector
Terminal
M49
20
Not existed
(+)
(
−
)
Condition
Signal
Front display unit
Connector
Terminal
M49
20
Ground
—
SKIB3598E
Revision: 2008 October
2009 Murano
AV-118
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITHOUT 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:0000000003510959
WITHOUT DVD ENTERTAINMENT SYSTEM
AV control unit that inputs the camera image signal and AUX image signal transmits the composite image sig-
nal to the front display unit.
WITH DVD ENTERTAINMENT SYSTEM
AV control unit receives the image signal from the video distributor and camera control unit and then transmits
the composite image signal (AUX, DVD and camera image) to the front display unit.
Diagnosis Procedure
INFOID:0000000003510960
1.
CHECK CONTINUITY COMPOSITE 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 front display unit harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair harness or connector.
2.
CHECK COMPOSITE IMAGE SIGNAL
1.
Connect AV control unit connector and front display unit connector.
2.
Turn ignition switch ON.
3.
Check signal between front display harness connector using an oscilloscope.
Is the inspection result normal?
YES
>> Replace front display unit.
NO
>> Replace AV control unit.
AV control unit
Front display unit
Continuity
Connector
Terminals
Connector
Terminals
M129
36
M49
15
Existed
37
4
Front display unit
Ground
Continuity
Connector
Terminal
M49
15
Not existed
(+)
(
−
)
Condition
Signal
Front display unit
Front display unit
Connector
Terminal
Connector
Terminal
M49
15
M49
4
When AUX, DVD or camera image
is displayed on front display.
SKIB2251J
Revision: 2008 October
2009 Murano
AV
COMPOSITE IMAGE SIGNAL CIRCUIT (VIDEO DISTRIBUTOR TO AV CONTROL
UNIT)
AV-119
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITHOUT NAVIGATION]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
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COMPOSITE IMAGE SIGNAL CIRCUIT (VIDEO DISTRIBUTOR TO AV
CONTROL UNIT)
Description
INFOID:0000000003509204
Video distributor receives the image signal from the DVD player and auxiliary input jack and then transmits it to
the AV control unit and rear display unit.
Diagnosis Procedure
INFOID:0000000003509205
1.
CHECK CONTINUITY COMPOSITE IMAGE SIGNAL CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect video distributor connector and AV control unit connector.
3.
Check continuity between video distributor harness connector and AV control 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
1.
Connect video distributor connector and AV control unit connector.
2.
Turn ignition switch ON.
3.
Check signal between AV control unit harness connector using an oscilloscope.
Is the inspection result normal?
YES
>> Replace AV control unit.
NO
>> Replace video distributor.
Video distributor
AV control unit
Continuity
Connector
Terminals
Connector
Terminals
M258
8
M130
66
Existed
6
74
AV control unit
Ground
Continuity
Connector
Terminal
M130
66
Not existed
(+)
(
−
)
Condition
Signal
AV control unit
AV control unit
Connector
Terminal
Connector
Terminal
M130
66
M130
74
When AUX, DVD or camera image
is displayed on front display.
SKIB2251J
Revision: 2008 October
2009 Murano
AV-120
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITHOUT NAVIGATION]
COMPOSITE IMAGE SIGNAL CIRCUIT (VIDEO DISTRIBUTOR TO REAR DIS-
PLAY UNIT)
COMPOSITE IMAGE SIGNAL CIRCUIT (VIDEO DISTRIBUTOR TO REAR
DISPLAY UNIT)
Description
INFOID:0000000003580075
Video distributor receives the image signal from the DVD player and auxiliary input jack and then transmits it to
the AV control unit and rear display unit.
Diagnosis Procedure
INFOID:0000000003580076
1.
CHECK CONTINUITY COMPOSITE IMAGE SIGNAL CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect video distributor connector and rear display unit connector.
3.
Check continuity between video distributor harness connector and rear display unit 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 IMAGE SIGNAL
1.
Connect video distributor connector and rear display unit connector.
2.
Turn ignition switch ON.
3.
Check signal between rear display unit harness connector using an oscilloscope.
Is the inspection result normal?
YES
>> Replace rear display unit.
NO
>> Replace video distributor.
Video distributor
Rear display unit
Continuity
Connector
Terminal
Connector
Terminal
M257
34
R152
14
Existed
Rear display unit
Ground
Continuity
Connector
Terminal
R152
14
Not existed
(+)
(
−
)
Condition
Signal
Rear display unit
Connector
Terminal
R152
14
Ground
When AUX, DVD or camera image
is displayed on front display.
SKIB2251J
Revision: 2008 October
2009 Murano
AV
RGB (R: RED) SIGNAL CIRCUIT (VIDEO DISTRIBUTOR TO REAR DISPLAY
UNIT)
AV-121
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITHOUT NAVIGATION]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
RGB (R: RED) SIGNAL CIRCUIT (VIDEO DISTRIBUTOR TO REAR DIS-
PLAY UNIT)
Description
INFOID:0000000003509227
Transmit the image displayed with video distributor with RGB signal to the rear display unit.
Diagnosis Procedure
INFOID:0000000003509228
1.
CHECK CONTINUITY RGB (R: RED) 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 (R: RED) 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
22
M257
25
Existed
Rear display unit
Ground
Continuity
Connector
Terminal
R152
22
Not existed
(+)
(
−
)
Condition
Signal
Rear display unit
Connector
Terminal
R152
22
Ground
Rear seat remote controller opera-
tion when AUX or DVD image is
displayed on rear display unit.
JSNIA0984ZZ
Revision: 2008 October
2009 Murano
AV-122
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITHOUT NAVIGATION]
RGB (G: GREEN) SIGNAL CIRCUIT (VIDEO DISTRIBUTOR TO REAR DISPLAY
UNIT)
RGB (G: GREEN) SIGNAL CIRCUIT (VIDEO DISTRIBUTOR TO REAR DIS-
PLAY UNIT)
Description
INFOID:0000000003509229
Transmit the image displayed with video distributor with RGB signal to the rear display unit.
Diagnosis Procedure
INFOID:0000000003509230
1.
CHECK CONTINUITY RGB (G: GREEN) 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 (G: GREEN) 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
21
M257
26
Existed
Rear display unit
Ground
Continuity
Connector
Terminal
R152
21
Not existed
(+)
(
−
)
Condition
Signal
Rear display unit
Connector
Terminal
R152
21
Ground
Rear seat remote controller opera-
tion when AUX or DVD image is
displayed on rear display unit.
JSNIA0984ZZ
Revision: 2008 October
2009 Murano
AV
RGB (B: BLUE) SIGNAL CIRCUIT (VIDEO DISTRIBUTOR TO REAR DISPLAY
UNIT)
AV-123
< COMPONENT 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:0000000003509231
Transmit the image displayed with video distributor with RGB signal to the rear display unit.
Diagnosis Procedure
INFOID:0000000003509232
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
Revision: 2008 October
2009 Murano
AV-124
< COMPONENT 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:0000000003509233
Transmit the composite synchronizing signal to the rear display unit so as to synchronize the composite image
displayed with video distributor.
Diagnosis Procedure
INFOID:0000000003509234
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
Revision: 2008 October
2009 Murano
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