Nissan Teana J32. Manual — part 154
AV
RGB (B: BLUE) SIGNAL CIRCUIT (AV CONTROL UNIT TO DISPLAY UNIT)
AV-471
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITH NAVIGATION]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
RGB (B: BLUE) SIGNAL CIRCUIT (AV CONTROL UNIT TO DISPLAY UNIT)
Description
INFOID:0000000003765906
Transmit the image displayed with AV control unit or NAVI control unit with RGB signal to the display unit.
Diagnosis Procedure
INFOID:0000000003765907
1.
CHECK CONTINUITY RGB (B: BLUE) 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 inspection result normal?
YES
>> GO TO 2.
NO
>> Repair harness or connector.
2.
CHECK RGB (B: BLUE) SIGNAL
1.
Connect display unit connector and AV control unit connector.
2.
Turn ignition switch ON.
3.
Check signal between display unit harness connector terminal and ground using an oscilloscope.
Is inspection result normal?
YES
>> Replace display unit.
NO
>> Replace AV control unit.
Display unit
AV control unit
Continuity
Connector
Terminal
Connector
Terminal
M49
18
M129
38
Existed
Display unit
Ground
Continuity
Connector
Terminal
M49
18
Not existed
(+)
(
−
)
Condition
Reference value
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
AV-472
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITH NAVIGATION]
RGB SYNCHRONIZING SIGNAL CIRCUIT (AV CONTROL UNIT TO DISPLAY
UNIT)
RGB SYNCHRONIZING SIGNAL CIRCUIT (AV CONTROL UNIT TO DIS-
PLAY UNIT)
Description
INFOID:0000000003765908
Transmit the RGB synchronizing signal to the display unit so as to synchronize the RGB image displayed with
AV control unit or NAVI control unit.
Diagnosis Procedure
INFOID:0000000003765909
1.
CHECK CONTINUITY RGB SYNCHRONIZING 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 inspection result normal?
YES
>> GO TO 2.
NO
>> Repair harness or connector.
2.
CHECK RGB SYNCHRONIZING SIGNAL
1.
Connect display unit connector and AV control unit connector.
2.
Turn ignition switch ON.
3.
Check signal between display unit harness connector terminal and ground using an oscilloscope.
Is inspection result normal?
YES
>> Replace display unit.
NO
>> Replace AV control unit.
Display unit
AV control unit
Continuity
Connector
Terminal
Connector
Terminal
M49
19
M129
41
Existed
Display unit
Ground
Continuity
Connector
Terminal
M49
19
Not existed
(+)
(
−
)
Condition
Reference value
Display unit
Connector
Terminal
M49
19
Ground
—
SKIB3603E
AV
RGB AREA (YS) SIGNAL CIRCUIT
AV-473
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITH NAVIGATION]
C
D
E
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G
H
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B
A
O
P
RGB AREA (YS) SIGNAL CIRCUIT
Description
INFOID:0000000003765910
Transmits the display area of RGB image displayed by AV control unit or NAVI control unit with RGB area (YS)
signal to display unit.
Diagnosis Procedure
INFOID:0000000003765911
1.
CHECK CONTINUITY RGB AREA (YS) 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 terminal 9 and ground.
Is inspection result normal?
YES
>> GO TO 2.
NO
>> Repair harness or connector.
2.
CHECK RGB SYNCHRONIZING SIGNAL
1.
Connect display unit connector and AV control unit connector.
2.
Turn ignition switch ON.
3.
Check signal between display unit harness connector terminal and ground using an oscilloscope.
Is inspection result normal?
YES
>> Replace display unit.
NO
>> Replace AV control unit.
Display unit
AV control unit
Continuity
Connector
Terminal
Connector
Terminal
M49
9
M129
43
Existed
Display unit
Ground
Continuity
Connector
Terminal
M49
9
Not existed
(+)
(
−
)
Condition
Reference value
Display unit
Connector
Terminal
M49
9
Ground
When RGB image is displayed.
Approx. 5 V
When AUX image is displayed.
PKIB4948J
AV-474
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITH NAVIGATION]
HORIZONTAL SYNCHRONIZING (HP) SIGNAL CIRCUIT
HORIZONTAL SYNCHRONIZING (HP) SIGNAL CIRCUIT
Description
INFOID:0000000003765912
In composite image (AUX image, camera image), transmit the vertical synchronizing (VP) signal and horizon-
tal synchronizing (HP) signal from display unit to AV control unit so as to synchronize the RGB images dis-
played with AV control unit such as the image quality adjusting menu, etc.
Diagnosis Procedure
INFOID:0000000003765913
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 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 terminal and ground using an oscilloscope.
Is inspection result normal?
YES
>> Replace AV control unit.
NO
>> Replace display unit.
Display unit
AV control unit
Continuity
Connector
Terminal
Connector
Terminal
M49
8
M129
45
Existed
Display unit
Ground
Continuity
Connector
Terminal
M49
8
Not existed
(+)
(
−
)
Condition
Reference value
Display unit
Connector
Terminal
M49
8
Ground
—
SKIB3601E
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