Nissan Quest E52. Instruction — part 126
AV
CAMERA IMAGE SIGNAL CIRCUIT
AV-383
< DTC/CIRCUIT DIAGNOSIS >
[BOSE AUDIO WITHOUT NAVIGATION]
C
D
E
F
G
H
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J
K
L
M
B
A
O
P
Is inspection result normal?
YES
>> GO TO 4.
NO
>> Repair harness or connector.
4.
CHECK CAMERA IMAGE SIGNAL
1.
Connect AV control unit connector and rear view camera connector.
2.
Turn ignition switch ON.
3.
Shift the selector lever to “R”.
4.
Check signal between AV control unit harness connector and ground.
Is inspection result normal?
YES
>> Replace AV control unit. Refer to
AV-404, "Removal and Installation"
.
NO
>> Replace rear view camera. Refer to
AV-426, "Removal and Installation"
.
AV control unit
Ground
Continuity
Connector
Terminal
M173
62
Not existed
Probe
Condition
Standard
Reference value
(+)
(+)
AV control unit
Connector
Terminal
Connector
Terminal
M173
62
M171
20
When cam-
era image is
displayed.
Waveform according to
camera image is input.
SKIB2251J
AV-384
< DTC/CIRCUIT DIAGNOSIS >
[BOSE AUDIO WITHOUT NAVIGATION]
DISK EJECT SIGNAL CIRCUIT
DISK EJECT SIGNAL CIRCUIT
Description
INFOID:0000000009652198
The disk eject switch outputs disk eject signal to the AV control unit when the switch of disk eject switch is
pressed.
Diagnosis Procedure
INFOID:0000000009652199
1.
CHECK CONTINUITY DISK EJECT SIGNAL CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect AV control unit connector and disk eject switch connector.
3.
Check continuity between AV control unit harness connector and disk eject switch harness connector.
4.
Check continuity between AV control unit harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair harness or connector.
2.
CHECK AV CONTROL UNIT VOLTAGE
1.
Connect AV control unit connector.
2.
Turn ignition switch ON.
3.
Check voltage between disk eject switch harness connector and ground.
Is the inspection result normal?
YES
>> Replace disk eject switch. Refer to
AV-417, "Removal and Installation"
NO
>> Replace AV control unit. Refer to
AV-404, "Removal and Installation"
.
AV control unit
Disk eject switch
Continuity
Connector
Terminal
Connector
Terminal
M174
96
M153
4
Existed
82
3
AV control unit
Ground
Continuity
Connector
Terminal
M174
96
Not existed
82
Probe
Standard
Voltage
(Approx.)
(+)
(
−
)
Disk eject switch
Connector
Terminal
Connector
Terminal
M153
4
M153
3
—
3.3 V
AV
MICROPHONE SIGNAL CIRCUIT
AV-385
< DTC/CIRCUIT DIAGNOSIS >
[BOSE AUDIO WITHOUT NAVIGATION]
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MICROPHONE SIGNAL CIRCUIT
Description
INFOID:0000000009652200
TEL adapter unit supplies power to microphone. The microphone transmits the sound voice to the TEL
adapter unit.
Diagnosis Procedure
INFOID:0000000009652201
1.
CHECK CONTINUITY BETWEEN TEL ADAPTER UNIT AND MICROPHONE CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect TEL adapter unit connector and microphone connector.
3.
Check continuity between TEL adapter unit harness connector and microphone harness connector.
4.
Check continuity between TEL adapter unit harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair harness or connector.
2.
CHECK VOLTAGE MICROPHONE VCC
1.
Connect TEL adapter unit connector.
2.
Turn ignition switch ON.
3.
Check voltage between TEL adapter unit harness connector.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Replace TEL adapter unit. Refer to
AV-420, "Removal and Installation"
.
3.
CHECK MICROPHONE SIGNAL
1.
Connect microphone connector.
2.
Check signal between TEL adapter unit harness connector.
TEL adapter unit
Microphone
Continuity
Connector
Terminals
Connector
Terminals
M138
7
R20
1
Existed
8
2
29
4
TEL adapter unit
Ground
Continuity
Connector
Terminals
M138
29
Not existed
7
Probe
Standard
Voltage
(Approx.)
(+)
(
−
)
TEL adapter unit
Connector
Terminal
Connector
Terminal
M138
29
M138
8
4.7 - 5.3 V
5.0 V
AV-386
< DTC/CIRCUIT DIAGNOSIS >
[BOSE AUDIO WITHOUT NAVIGATION]
MICROPHONE SIGNAL CIRCUIT
Is the inspection result normal?
YES
>> Replace TEL adapter unit. Refer to
AV-420, "Removal and Installation"
.
NO
>> Replace microphone. Refer to
AV-422, "Removal and Installation"
.
Probe
Condition
Standard
Reference value
(+)
(+)
TEL adapter unit
Connector
Terminal
Connector
Terminal
M138
7
M138
8
Give a voice.
Waveform according to
voice is input.
PKIB5037J
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