Nissan Quest E52. Instruction — part 84
AV
POWER SUPPLY AND GROUND CIRCUIT
AV-215
< DTC/CIRCUIT DIAGNOSIS >
[BASE AUDIO WITH SEPARATE DISPLAY]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Be sure to eliminate cause of malfunction before installing new fuse.
2.
CHECK POWER SUPPLY CIRCUIT
Check voltage between rear display unit harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Check harness between rear display unit and fuse.
3.
CHECK GROUND CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect rear display unit connector.
3.
Check continuity between rear display unit harness connector and ground.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Repair harness or connector.
SATELLITE RADIO TUNER
SATELLITE RADIO TUNER : Diagnosis Procedure
INFOID:0000000009652044
1.
CHECK FUSES
Check that the following fuses of the satellite radio tuner are not blown.
Is inspection result OK?
YES
>> GO TO 2.
NO
>> If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse.
2.
CHECK POWER SUPPLY CIRCUIT
Check voltage between the satellite radio tuner and ground.
Power source
Fuse No.
Battery
35
Ignition switch ACC or ON
19
Signal name
Rear display unit
Probe
Condition
Standard
Reference value
Terminal
Connector
(+)
(
−
)
Ignition switch
Battery power supply
R36
29
31
32
OFF
9.0 - 16.0 V
Battery voltage
30
ACC power supply
28
ACC
7.6 V - Battery
voltage
Signal name
Connector No.
Terminal No.
Ignition switch position
Continuity
Ground
R36
31
OFF
Existed
32
Power source
Fuse No.
Battery
35
Ignition switch ACC or ON
19
AV-216
< DTC/CIRCUIT DIAGNOSIS >
[BASE AUDIO WITH SEPARATE DISPLAY]
POWER SUPPLY AND GROUND CIRCUIT
Is inspection result OK?
YES
>> GO TO 3.
NO
>> Check harness between satellite radio tuner and fuse.
3.
CHECK GROUND CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect satellite radio tuner connector.
3.
Check continuity between satellite radio tuner harness connector and ground.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Repair harness or connector.
TEL ADAPTER UNIT
TEL ADAPTER UNIT : Diagnosis Procedure
INFOID:0000000009652045
1.
CHECK FUSE
Check for blown fuses.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Be sure to eliminate cause of malfunction before installing new fuse.
2.
CHECK POWER SUPPLY CIRCUIT
Check voltage between TEL adapter unit harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Check harness between TEL adapter unit and fuse.
3.
CHECK GROUND CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect TEL adapter unit connector.
3.
Check continuity between TEL adapter unit harness connector and ground.
Signal name
Satellite radio
tuner
Probe
Condition
Standard
Reference value
Terminal
Connector
(+)
(
−
)
Ignition switch
Battery power supply
B49
12
15
OFF
10.8 - 15.6 V
Battery voltage
ACC power supply
16
ACC
7.0 - 16.0 V
Signal name
Connector
Terminal No.
Ignition switch position
Continuity
Ground
B49
15
OFF
Existed
Power source
Fuse No.
Battery
35
Ignition switch ACC or ON
19
Signal name
TEL adapter unit
Probe
Condition
Standard
Reference value
Terminal
Connector
(+)
(
−
)
Ignition switch
Battery power supply
M138
1
4
OFF
9.0 - 16.0 V
Battery voltage
ACC power supply
2
ACC
7.0 - 16.0 V
Signal name
Connector
Terminal
Ignition switch position
Continuity
Ground
M138
4
OFF
Existed
AV
POWER SUPPLY AND GROUND CIRCUIT
AV-217
< DTC/CIRCUIT DIAGNOSIS >
[BASE AUDIO WITH SEPARATE DISPLAY]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Repair harness or connector.
AV-218
< DTC/CIRCUIT DIAGNOSIS >
[BASE AUDIO WITH SEPARATE DISPLAY]
RGB (R: RED) SIGNAL CIRCUIT
RGB (R: RED) SIGNAL CIRCUIT
Description
INFOID:0000000009652046
Transmit the image displayed with AV control unit with RGB signal to the front display unit.
Diagnosis Procedure
INFOID:0000000009652047
1.
CHECK CONTINUITY RGB (R: RED) 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 (R: RED) 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
17
M172
43
Existed
Front display unit
Ground
Continuity
Connector
Terminal
M156
17
Not existed
Probe
Condition
Standard
Reference value
(+)
(-)
Front display unit
Connector
Terminal
Connector
Terminal
M156
17
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.
JSNIA1029ZZ
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