Nissan Qashqai J11. Manual — part 2088
AV
FRONT DOOR SPEAKER
AV-41
< DTC/CIRCUIT DIAGNOSIS >
[AUDIO SYSTEM]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
Is the inspection result normal?
YES
>> Replace front door speaker. Refer to
AV-56, "Removal and Installation"
NO
>> Replace audio unit. Refer to
AV-53, "Removal and Installation"
.
2
3
Audio signal output
11
12
SKIB3609E
AV-42
< DTC/CIRCUIT DIAGNOSIS >
[AUDIO SYSTEM]
REAR DOOR SPEAKER
REAR DOOR SPEAKER
Diagnosis Procedure
INFOID:0000000010502037
Regarding Wiring Diagram information, refer to
1.
CONNECTOR CHECK
Check the audio 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 audio unit connector M10 and suspect rear door speaker connector.
2.
Check continuity between audio unit connector M10 and suspect rear door speaker connector.
3.
Check continuity between audio unit connector M10 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 audio unit connector M10 and suspect rear door speaker connector.
2.
Turn ignition switch to ON.
3.
Push audio unit POWER switch.
4.
Check signal between the terminals of audio unit connector M10.
Audio unit
Rear speaker
Continuity
Connector
Terminal
Connector
Terminal
M10
4
D55 (LH)
1
Yes
5
2
13
D68 (RH)
1
14
2
Audio unit
Ground
Continuity
Connector
Terminal
M10
4
—
No
5
13
14
Audio unit connector M10
Condition
Reference value
(+)
(
−
)
Terminal
Terminal
AV
REAR DOOR SPEAKER
AV-43
< DTC/CIRCUIT DIAGNOSIS >
[AUDIO SYSTEM]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
Is the inspection result normal?
YES
>> Replace rear door speaker. Refer to
AV-57, "Removal and Installation"
.
NO
>> Replace audio unit. Refer to
AV-53, "Removal and Installation"
.
4
5
Audio signal output
13
14
SKIB3609E
AV-44
< DTC/CIRCUIT DIAGNOSIS >
[AUDIO SYSTEM]
MICROPHONE SIGNAL CIRCUIT
MICROPHONE SIGNAL CIRCUIT
Diagnosis Procedure
INFOID:0000000010502039
Regarding Wiring Diagram information, refer to
1.
CHECK HARNESS BETWEEN AUDIO UNIT AND MICROPHONE
1.
Turn ignition switch OFF.
2.
Disconnect audio unit connector and microphone connector R20.
3.
Check continuity between audio unit connector and microphone connector R20.
4.
Check continuity between audio unit connector 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-53, "Removal and Installation"
.
3.
CHECK MICROPHONE SIGNAL
Check signal between terminals of audio unit connector.
Audio unit
Microphone
Continuity
Connector
Terminal
Connector
Terminal
M11
36
R20
3
Yes
M12
52
2
51
1
Audio unit
Ground
Continuity
Connector
Terminal
M11
36
—
No
M12
52
Microphone
Ground
Voltage
(Approx.)
(+)
(-)
Connector
Terminal
R20
3
—
5V
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