Nissan Quest E52. Instruction — part 85
AV
RGB (G: GREEN) SIGNAL CIRCUIT
AV-219
< DTC/CIRCUIT DIAGNOSIS >
[BASE AUDIO WITH SEPARATE DISPLAY]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
RGB (G: GREEN) SIGNAL CIRCUIT
Description
INFOID:0000000009652048
Transmit the image displayed with AV control unit with RGB signal to the front display unit.
Diagnosis Procedure
INFOID:0000000009652049
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.
Is the inspection result normal?
YES
>> Replace front display unit. Refer to
AV-251, "Removal and Installation"
.
NO
>> Replace AV control unit. Refer to
AV-250, "Removal and Installation"
.
Front display unit
AV control unit
Continuity
Connector
Terminal
Connector
Terminal
M156
6
M172
44
Existed
Front display unit
Ground
Continuity
Connector
Terminal
M156
6
Not existed
Probe
Condition
Standard
Reference value
(+)
(-)
Front display unit
Connector
Terminal
Connector
Terminal
M156
6
M156
1
Start confirmation/
adjustment mode,
and then display col-
or bar by selecting
“Color Spectrum
Bar” on DISPLAY
DIAGNOSIS
screen.
Waveform accord-
ing to RGB image is
input.
JSNIA1030ZZ
AV-220
< DTC/CIRCUIT DIAGNOSIS >
[BASE AUDIO WITH SEPARATE DISPLAY]
RGB (B: BLUE) SIGNAL CIRCUIT
RGB (B: BLUE) SIGNAL CIRCUIT
Description
INFOID:0000000009652050
Transmit the image displayed with AV control unit with RGB signal to the front display unit.
Diagnosis Procedure
INFOID:0000000009652051
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.
Is the inspection result normal?
YES
>> Replace front display unit. Refer to
AV-251, "Removal and Installation"
NO
>> Replace AV control unit. Refer to
AV-250, "Removal and Installation"
.
Front display unit
AV control unit
Continuity
Connector
Terminal
Connector
Terminal
M156
18
M172
45
Existed
Front display unit
Ground
Continuity
Connector
Terminal
M156
18
Not existed
Probe
Condition
Standard
Reference value
(+)
(-)
Front display unit
Connector
Terminal
Connector
Terminal
M156
18
M156
1
Start confirmation/
adjustment mode,
and then display col-
or bar by selecting
“Color Spectrum
Bar” on DISPLAY
DIAGNOSIS
screen.
Waveform accord-
ing to RGB image is
input.
JSNIA1031ZZ
AV
RGB SYNCHRONIZING SIGNAL CIRCUIT
AV-221
< DTC/CIRCUIT DIAGNOSIS >
[BASE AUDIO WITH SEPARATE DISPLAY]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
RGB SYNCHRONIZING SIGNAL CIRCUIT
Description
INFOID:0000000009652052
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:0000000009652053
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-251, "Removal and Installation"
.
NO
>> Replace AV control unit. Refer to
AV-250, "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-222
< DTC/CIRCUIT DIAGNOSIS >
[BASE AUDIO WITH SEPARATE DISPLAY]
RGB AREA (YS) SIGNAL CIRCUIT
RGB AREA (YS) SIGNAL CIRCUIT
Description
INFOID:0000000009652054
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:0000000009652055
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-251, "Removal and Installation"
.
NO
>> Replace AV control unit. Refer to
AV-250, "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
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