Nissan Quest E52. Instruction — part 124
AV
RGB SYNCHRONIZING SIGNAL CIRCUIT
AV-375
< DTC/CIRCUIT DIAGNOSIS >
[BOSE AUDIO WITHOUT NAVIGATION]
C
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RGB SYNCHRONIZING SIGNAL CIRCUIT
Description
INFOID:0000000009652182
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:0000000009652183
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.
Is the inspection result normal?
YES
>> Replace front display unit. Refer to
AV-405, "Removal and Installation"
.
NO
>> Replace AV control unit. Refer to
AV-404, "Removal and Installation"
.
Front display unit
AV control unit
Continuity
Connector
Terminal
Connector
Terminal
M156
19
M172
42
Existed
Front display unit
Ground
Continuity
Connector
Terminal
M156
19
Not existed
Probe
Standard
Reference value
(+)
(-)
Front display unit
Connector
Terminal
Connector
Terminal
M156
19
M156
1
Waveform of 0.8 V - 5.5
V is input.
SKIB3603E
AV-376
< DTC/CIRCUIT DIAGNOSIS >
[BOSE AUDIO WITHOUT NAVIGATION]
RGB AREA (YS) SIGNAL CIRCUIT
RGB AREA (YS) SIGNAL CIRCUIT
Description
INFOID:0000000009652184
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:0000000009652185
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.
Is the inspection result normal?
YES
>> Replace front display unit. Refer to
AV-405, "Removal and Installation"
.
NO
>> Replace AV control unit. Refer to
AV-404, "Removal and Installation"
.
Front display unit
AV control unit
Continuity
Connector
Terminal
Connector
Terminal
M156
9
M172
40
Existed
Front display unit
Ground
Continuity
Connector
Terminal
M156
9
Not existed
Probe
Condition
Standard
Reference value
(+)
(-)
Front display unit
Connector
Terminal
Connector
Terminal
M156
9
M156
1
At RGB image is dis-
played
5.5 V or less
5.0 V
At AUX image is dis-
played
Waveform of 0.8 V -
5.5 V is input.
PKIB4948J
AV
HORIZONTAL SYNCHRONIZING (HP) SIGNAL CIRCUIT
AV-377
< 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:0000000009652186
In composite image (DVD, auxiliary input, and camera images), 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:0000000009652187
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.
Is the inspection result normal?
YES
>> Replace AV control unit. Refer to
AV-404, "Removal and Installation"
.
NO
>> Replace front display unit. Refer to
AV-405, "Removal and Installation"
.
Front display unit
AV control unit
Continuity
Connector
Terminal
Connector
Terminal
M156
8
M172
38
Existed
Front display unit
Ground
Continuity
Connector
Terminal
M156
8
Not existed
Probe
Standard
Reference value
(+)
(-)
Front display unit
Connector
Terminal
Connector
Terminal
M156
8
M156
1
Waveform of 1.0 V - 5.5
V is output.
SKIB3601E
AV-378
< DTC/CIRCUIT DIAGNOSIS >
[BOSE AUDIO WITHOUT NAVIGATION]
VERTICAL SYNCHRONIZING (VP) SIGNAL CIRCUIT
VERTICAL SYNCHRONIZING (VP) SIGNAL CIRCUIT
Description
INFOID:0000000009652188
In composite image (DVD, auxiliary input, and camera images), 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:0000000009652189
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.
Is the inspection result normal?
YES
>> Replace AV control unit. Refer to
AV-404, "Removal and Installation"
.
NO
>> Replace front display unit. Refer to
AV-405, "Removal and Installation"
.
Front display unit
AV control unit
Continuity
Connector
Terminal
Connector
Terminal
M156
20
M172
50
Existed
Front display unit
Ground
Continuity
Connector
Terminal
M156
20
Not existed
Probe
Standard
Reference value
(+)
(-)
Front display unit
Connector
Terminal
Connector
Terminal
M156
20
M156
1
Waveform of 1.0 V - 5.5
V is output.
SKIB3598E
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