Nissan Qashqai J11. Manual — part 2087
AV
POWER SUPPLY AND GROUND CIRCUIT
AV-37
< DTC/CIRCUIT DIAGNOSIS >
[AUDIO SYSTEM]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
DTC/CIRCUIT DIAGNOSIS
POWER SUPPLY AND GROUND CIRCUIT
AUDIO UNIT
AUDIO UNIT : Diagnosis Procedure
INFOID:0000000010502034
Regarding Wiring Diagram information, refer to
1.
CHECK FUSE
Check that the following fuses are not blown.
Are the fuses blown?
YES
>> Replace the blown fuse after repairing the affected circuit.
NO
>> GO TO 2.
2.
CHECK POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect audio unit connector M10.
3.
Check voltage 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 GROUND CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect audio unit connector M10.
3.
Check continuity between audio unit connectors and ground.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Repair or replace harness or connectors.
Terminal No.
Signal name
Fuse No.
7
Ignition power supply
4 (10A)
19
Battery power supply
19 (20A)
Audio unit
Ground
Condition
Voltage
(Approx.)
Connector
Terminal
M10
7
—
Ignition switch: ON
Battery voltage
19
Ignition switch: OFF
Audio unit
Ground
Continuity
Connector
Terminal
M10
20
—
Yes
AV-38
< DTC/CIRCUIT DIAGNOSIS >
[AUDIO SYSTEM]
FRONT TWEETER
FRONT TWEETER
Diagnosis Procedure
INFOID:0000000010502035
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 FRONT TWEETER SIGNAL CIRCUIT CONTINUITY
1.
Disconnect audio unit connector M10 and suspect front tweeter connector.
2.
Check continuity between audio unit connector M10 and suspect front tweeter 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 FRONT TWEETER SIGNAL
1.
Connect audio unit connector M10 and suspect front tweeter 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
Front tweeter
Continuity
Connector
Terminal
Connector
Terminal
M10
2
M84 (LH)
1
Yes
3
2
11
M83 (RH)
1
12
2
Audio unit
Ground
Continuity
Connector
Terminal
M10
2
—
No
3
11
12
Audio unit connector M10
Condition
Reference value
(+)
(
−
)
Terminal
Terminal
AV
FRONT TWEETER
AV-39
< 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 tweeter. Refer to
AV-55, "Removal and Installation"
NO
>> Replace audio unit. Refer to
AV-53, "Removal and Installation"
.
2
3
Audio signal output
11
12
SKIB3609E
AV-40
< DTC/CIRCUIT DIAGNOSIS >
[AUDIO SYSTEM]
FRONT DOOR SPEAKER
FRONT DOOR SPEAKER
Diagnosis Procedure
INFOID:0000000010502036
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 FRONT DOOR SPEAKER SIGNAL CIRCUIT CONTINUITY
1.
Disconnect audio unit connector M10 and suspect front door speaker connector.
2.
Check continuity between audio unit connector M10 and suspect front 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 FRONT DOOR SPEAKER SIGNAL
1.
Connect audio unit connector M10 and suspect front 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
Front door speaker
Continuity
Connector
Terminal
Connector
Terminal
M10
2
D14 (LH)
1
Yes
3
2
11
D34 (RH)
1
12
2
Audio unit
Ground
Continuity
Connector
Terminal
M10
2
—
No
3
11
12
Audio unit connector M10
Condition
Reference value
(+)
(
−
)
Terminal
Terminal
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст