Nissan Murano. Instruction — part 118
AV-250
< DTC/CIRCUIT DIAGNOSIS >
[BOSE AUDIO WITHOUT NAVIGATION]
RGB (B: BLUE) SIGNAL CIRCUIT
RGB (B: BLUE) SIGNAL CIRCUIT
Description
INFOID:0000000009721760
Transmit the image displayed with AV control unit with RGB image signal to the display unit.
Diagnosis Procedure
INFOID:0000000009721761
1.
CHECK CONTINUITY RGB (B: BLUE) SIGNAL CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect AV control unit connector and display unit connector.
3.
Check continuity between AV control unit harness connector and display unit harness connector.
4.
Check continuity between display unit harness connector and ground.
Is inspection result normal?
YES
>> GO TO 2.
NO
>> Repair harness or connector.
2.
CHECK RGB (B: BLUE) SIGNAL
1.
Connect AV control unit connector and display unit connector.
2.
Turn ignition switch ON.
3.
Check signal between display unit harness connector and ground.
Is inspection result normal?
YES
>> Replace display unit. Refer to
.
NO
>> Replace AV control unit. Refer to
AV control unit
Display unit
Continuity
Connector
Terminal
Connector
Terminal
M172
45
M194
18
Existed
Display unit
Ground
Continuity
Connector
Terminal
M194
18
Not existed
(+)
(
−
)
Condition
Reference value
Display unit
Connector
Terminal
M194
18
Ground
Start confirmation/adjust-
ment mode, and then dis-
play color bar by
selecting “Color Spec-
trum Bar” on DISPLAY
DIAGNOSIS screen.
SKIB2237J
AV
RGB SYNCHRONIZING SIGNAL CIRCUIT
AV-251
< DTC/CIRCUIT DIAGNOSIS >
[BOSE AUDIO WITHOUT NAVIGATION]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
RGB SYNCHRONIZING SIGNAL CIRCUIT
Description
INFOID:0000000009721762
Transmit the RGB synchronizing signal to the display unit so as to synchronize the RGB image displayed with
AV control unit.
Diagnosis Procedure
INFOID:0000000009721763
1.
CHECK CONTINUITY RGB SYNCHRONIZING SIGNAL CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect AV control unit connector and display unit connector.
3.
Check continuity between AV control unit harness connector and display unit harness connector.
4.
Check continuity between 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 AV control unit connector and display unit connector.
2.
Turn ignition switch ON.
3.
Check signal between display unit harness connector and ground.
Is the inspection result normal?
YES
>> Replace display unit. Refer to
.
NO
>> Replace AV control unit. Refer to
AV control unit
Display unit
Continuity
Connector
Terminal
Connector
Terminal
M172
42
M194
19
Existed
Display unit
Ground
Continuity
Connector
Terminal
M194
19
Not existed
(+)
(
−
)
Reference value
Display unit
Connector
Terminal
M194
19
Ground
SKIB3603E
AV-252
< DTC/CIRCUIT DIAGNOSIS >
[BOSE AUDIO WITHOUT NAVIGATION]
RGB AREA (YS) SIGNAL CIRCUIT
RGB AREA (YS) SIGNAL CIRCUIT
Description
INFOID:0000000009721764
Transmits the display area of RGB image displayed by AV control unit with RGB area (YS) signal to display
unit.
Diagnosis Procedure
INFOID:0000000009721765
1.
CHECK CONTINUITY RGB AREA (YS) SIGNAL CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect AV control unit connector and display unit connector.
3.
Check continuity between AV control unit harness connector and display unit harness connector.
4.
Check continuity between 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 AV control unit connector and display unit connector.
2.
Turn ignition switch ON.
3.
Check signal between display unit harness connector and ground.
Is the inspection result normal?
YES
>> Replace display unit. Refer to
.
NO
>> Replace AV control unit. Refer to
AV control unit
Display unit
Continuity
Connector
Terminal
Connector
Terminal
M172
40
M194
9
Existed
Display unit
Ground
Continuity
Connector
Terminal
M194
9
Not existed
(+)
(
−
)
Condition
Reference value
(Approx.)
Display unit
Connector
Terminal
M194
9
Ground
At RGB image is displayed.
5.0 V
At AUX image is displayed.
PKIB4948J
AV
HORIZONTAL SYNCHRONIZING (HP) SIGNAL CIRCUIT
AV-253
< DTC/CIRCUIT DIAGNOSIS >
[BOSE AUDIO WITHOUT NAVIGATION]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
HORIZONTAL SYNCHRONIZING (HP) SIGNAL CIRCUIT
Description
INFOID:0000000009721766
In composite image (AUX and camera image), transmit the vertical synchronizing (VP) signal and horizontal
synchronizing (HP) signal from 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:0000000009721767
1.
CHECK CONTINUITY HORIZONTAL SYNCHRONIZING (HP) SIGNAL CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect display unit connector and AV control unit connector.
3.
Check continuity between display unit harness connector and AV control unit harness connector.
4.
Check continuity between 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 display unit connector and AV control unit connector.
2.
Turn ignition switch ON.
3.
Check signal between display unit harness connector and ground.
Is the inspection result normal?
YES
>> Replace AV control unit. Refer to
NO
>> Replace display unit. Refer to
.
Display unit
AV control unit
Continuity
Connector
Terminal
Connector
Terminal
M194
8
M172
38
Existed
Display unit
Ground
Continuity
Connector
Terminal
M194
8
Not existed
(+)
(
−
)
Reference value
Display unit
Connector
Terminal
M194
8
Ground
SKIB3601E
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