Infiniti G37 Coupe. Manual — part 172
AV
RGB SYNCHRONIZING SIGNAL CIRCUIT
AV-441
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITH NAVIGATION]
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RGB SYNCHRONIZING SIGNAL CIRCUIT
Description
INFOID:0000000001558865
Transmit the RGB synchronizing signal to the display unit so as to synchronize the RGB image displayed with
AV control unit.
Diagnosis Procedure
INFOID:0000000001558866
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 terminal 19 and AV control unit harness connec-
tor terminal 65.
4.
Check continuity between display unit harness connector terminal 19 and ground.
Is the 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 19 and ground.
Is the inspection result normal?
YES
>> Replace display unit.
NO
>> Replace AV control unit.
19 - 65
: Continuity should exist.
19 - Ground
: Continuity should not exist.
19 - Ground
JPNIA0461GB
AV-442
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITH NAVIGATION]
RGB AREA (YS) SIGNAL CIRCUIT
RGB AREA (YS) SIGNAL CIRCUIT
Description
INFOID:0000000001558867
Transmits the display area of RGB image displayed by AV control unit with RGB area (YS) signal to display
unit.
Diagnosis Procedure
INFOID:0000000001558868
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 terminal 9 and AV control unit harness connec-
tor terminal 67.
4.
Check continuity between display unit harness connector terminal 9 and ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair harness or connector.
2.
CHECK RGB AREA (YS) 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 9 and ground.
Is the inspection result normal?
YES
>> Replace display unit.
NO
>> Replace AV control unit.
9 - 67
: Continuity should exist.
9 - Ground
: Continuity should not exist.
Terminal
Condition
Reference value
9 - Ground
Ignition
switch
ON
At RGB image displayed
: Approx. 5 V
At rear view camera image is dis-
played.
PKIB4948J
AV
HORIZONTAL SYNCHRONIZING (HP) SIGNAL CIRCUIT
AV-443
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITH NAVIGATION]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
HORIZONTAL SYNCHRONIZING (HP) SIGNAL CIRCUIT
Description
INFOID:0000000001558869
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:0000000001558870
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 terminal 8 and AV control unit harness connec-
tor terminal 68.
4.
Check continuity between display unit harness connector terminal 8 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 terminal 8 and ground.
Is the inspection result normal?
YES
>> Replace AV control unit.
NO
>> Replace display unit.
8 - 68
: Continuity should exist.
8 - Ground
: Continuity should not exist.
8 - Ground
SKIB3601E
AV-444
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITH NAVIGATION]
VERTICAL SYNCHRONIZING (VP) SIGNAL CIRCUIT
VERTICAL SYNCHRONIZING (VP) SIGNAL CIRCUIT
Description
INFOID:0000000001558871
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:0000000001558872
1.
CHECK CONTINUITY VERTICAL SYNCHRONIZING (VP) 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 terminal 20 and AV control unit harness connec-
tor terminal 69.
4.
Check continuity between display unit harness connector terminal 20 and ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair harness or connector.
2.
CHECK VERTICAL SYNCHRONIZING (VP) 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 20 and ground.
Is the inspection result normal?
YES
>> Replace AV control unit.
NO
>> Replace display unit.
20 - 69
: Continuity should exist.
20 - Ground
: Continuity should not exist.
20 - Ground
SKIB3598E
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