Nissan Qashqai J11. Manual — part 2137
AV
REAR DOOR SPEAKER
AV-237
< DTC/CIRCUIT DIAGNOSIS >
[NAVIGATION]
C
D
E
F
G
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J
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B
A
O
P
REAR DOOR SPEAKER
Diagnosis Procedure
INFOID:0000000010435732
Regarding Wiring Diagram information, refer to
.
1.
CONNECTOR CHECK
Check the AV control unit and speaker connectors for the following:
• Proper connection
• Damage
• Disconnected or loose terminals
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair the terminals or connectors.
2.
CHECK REAR DOOR SPEAKER SIGNAL CIRCUIT CONTINUITY
1.
Disconnect AV control unit connector M48 and suspect rear door speaker connector.
2.
Check continuity between AV control unit connector M48 and suspect rear door speaker connector.
3.
Check continuity between AV control unit connector M48 and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace harness or connectors.
3.
CHECK REAR DOOR SPEAKER SIGNAL
1.
Connect AV control unit connector M48 and suspect rear door speaker connector.
2.
Turn ignition switch to ON.
3.
Push AV control unit POWER switch.
4.
Check signal between the terminals of AV control unit connector M48.
AV control unit
Rear door speaker
Continuity
Connector
Terminal
Connector
Terminal
M48
4
D55 (LH)
1
Yes
5
2
13
D69 (RH)
1
14
2
AV control unit
Ground
Continuity
Connector
Terminal
M48
4
—
No
5
13
14
AV control unit connector M48
Condition
Reference value
(+)
(
−
)
Terminal
Terminal
AV-238
< DTC/CIRCUIT DIAGNOSIS >
[NAVIGATION]
REAR DOOR SPEAKER
Is the inspection result normal?
YES
>> Replace rear door speaker. Refer to
AV-264, "Removal and Installation"
.
NO
>> Replace AV control unit. Refer to
AV-259, "Removal and Installation"
.
4
5
Audio signal output
13
14
SKIB3609E
AV
MICROPHONE SIGNAL CIRCUIT
AV-239
< DTC/CIRCUIT DIAGNOSIS >
[NAVIGATION]
C
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MICROPHONE SIGNAL CIRCUIT
Diagnosis Procedure
INFOID:0000000010435733
Regarding Wiring Diagram information, refer to
.
1.
CHECK HARNESS BETWEEN AV CONTROL UNIT AND MICROPHONE
1.
Turn ignition switch OFF.
2.
Disconnect AV control unit connector M49 and microphone connector R20.
3.
Check continuity between AV control unit connector M49 and microphone connector R20.
4.
Check continuity between AV control unit connector M49 and ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair harness or connectors.
2.
CHECK MICROPHONE POWER SUPPLY
1.
Connect AV control unit connector M49 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 AV control unit. Refer to
AV-259, "Removal and Installation"
.
3.
CHECK MICROPHONE SIGNAL
Check signal between terminals of AV control unit connector M49.
AV control unit
Microphone
Continuity
Connector
Terminal
Connector
Terminal
M49
34
R20
2
Yes
35
3
36
1
AV control unit
Ground
Continuity
Connector
Terminal
M49
34
—
No
35
Microphone
Ground
Voltage
(Approx.)
(+)
(-)
Connector
Terminal
R20
3
—
5V
AV-240
< DTC/CIRCUIT DIAGNOSIS >
[NAVIGATION]
MICROPHONE SIGNAL CIRCUIT
Is the inspection result normal?
YES
>> Replace AV control unit. Refer to
AV-259, "Removal and Installation"
.
NO
>> Replace microphone. Refer to
AV-266, "Removal and Installation"
.
AV control unit connector M102
Condition
Reference value
(+)
(-)
Terminal
Terminal
34
36
Speak into microphone.
PKIB5037J
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