Nissan Qashqai J11. Manual — part 2104
AV
MICROPHONE SIGNAL CIRCUIT
AV-105
< DTC/CIRCUIT DIAGNOSIS >
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MICROPHONE SIGNAL CIRCUIT
Diagnosis Procedure
INFOID:0000000010435613
Regarding Wiring Diagram information, refer to
1.
CHECK HARNESS BETWEEN AUDIO UNIT AND MICROPHONE
1.
Turn ignition switch OFF.
2.
Disconnect audio unit connector M11 and microphone connector R20.
3.
Check continuity between audio unit connector M11 and microphone connector R20.
4.
Check continuity between audio unit connector M11 and ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair harness or connectors.
2.
CHECK MICROPHONE POWER SUPPLY
1.
Connect audio unit connector M11 and microphone connector R20.
2.
Turn ignition switch ON.
3.
Check voltage between microphone connector R20 and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Replace audio unit. Refer to
AV-114, "Removal and Installation"
3.
CHECK MICROPHONE SIGNAL
Check signal between terminals of audio unit connector M11.
Audio unit
Microphone
Continuity
Connector
Terminal
Connector
Terminal
M11
37
R20
2
Yes
38
1
39
3
Audio unit
Ground
Continuity
Connector
Terminal
M11
38
—
No
37
Microphone
Ground
Voltage
(Approx.)
(+)
(-)
Connector
Terminal
R20
3
—
5V
AV-106
< DTC/CIRCUIT DIAGNOSIS >
[DISPLAY AUDIO]
MICROPHONE SIGNAL CIRCUIT
Is the inspection result normal?
YES
>> Replace audio unit. Refer to
AV-114, "Removal and Installation"
.
NO
>> Replace microphone. Refer to
AV-120, "Removal and Installation"
.
Audio unit connector M87
Condition
Reference value
(+)
(-)
Terminal
Terminal
45
47
Speak into microphone.
PKIB5037J
AV
USB CONNECTOR
AV-107
< DTC/CIRCUIT DIAGNOSIS >
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USB CONNECTOR
Diagnosis Procedure
INFOID:0000000010435615
Regarding Wiring Diagram information, refer to
1.
CHECK USB INTERFACE HARNESS CONTINUITY
1.
Turn ignition switch OFF.
2.
Disconnect audio unit connector M383 and USB interface connector M384.
3.
Check continuity between audio unit connector M383 and USB interface connector M384.
4.
Check continuity between audio unit connector M383 and ground.
Is the inspection result normal?
YES
>> Replace the USB interface. Refer to
AV-119, "Removal and Installation"
NO
>> Repair or replace harness or connectors.
Audio unit
USB interface
Continuity
Connector
Terminal
Connector
Terminal
M383
129
M384
7
Yes
130
5
131
8
132
6
133
9
Audio unit
—
Continuity
Connector
Terminal
M383
130
Ground
No
132
AV-108
< DTC/CIRCUIT DIAGNOSIS >
[DISPLAY AUDIO]
AUXILIARY INPUT JACK
AUXILIARY INPUT JACK
Diagnosis Procedure
INFOID:0000000010435616
Regarding Wiring Diagram information, refer to
1.
CHECK AUX JACK HARNESS CONTINUITY
1.
Turn ignition switch OFF.
2.
Disconnect audio control unit connector M12 and AUX in jack connector M13.
3.
Check continuity between audio control unit connector M12 and AUX in jack connector M13.
4.
Check continuity between audio control unit connector M12 and ground.
Is the inspection result normal?
YES
>> Replace the AUX in jack. Refer to
AV-119, "Removal and Installation"
.
NO
>> Repair or replace harness or connectors.
Audio control unit
AUX in jack
Continuity
Connector
Terminal
Connector
Terminal
M12
53
M13
1
Yes
55
3
54
4
Audio control unit
—
Continuity
Connector
Terminal
M12
53
Ground
No
54
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