Nissan Sentra. Manual — part 70
AV-272
< DTC/CIRCUIT DIAGNOSIS >
[NAVIGATION WITHOUT BOSE]
FRONT DOOR SPEAKER
Is the inspection result normal?
YES
>> Replace front door speaker. Refer to
AV-300, "Removal and Installation"
NO
>> Replace AV control unit. Refer to
AV-298, "Removal and Installation"
.
2
3
Audio signal output
11
12
SKIB3609E
AV
FRONT TWEETER
AV-273
< DTC/CIRCUIT DIAGNOSIS >
[NAVIGATION WITHOUT BOSE]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
FRONT TWEETER
Diagnosis Procedure
INFOID:0000000009758976
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 FRONT TWEETER SIGNAL CIRCUIT CONTINUITY
1. Disconnect AV control unit connector M103 and suspect front tweeter connector.
2. Check continuity between AV control unit connector M103 and suspect front tweeter connector.
3. Check continuity between AV control unit connector M103 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 AV control unit connector M103 and suspect front tweeter connector.
2. Turn ignition switch to ACC.
3. Push AV control unit POWER switch.
4. Check signal between the terminals of AV control unit connector M103.
AV control unit
Front tweeter
Continuity
Connector
Terminal
Connector
Terminal
M103
2
M46 (LH)
1
Yes
3
2
11
M47 (RH)
1
12
2
AV control unit
Ground
Continuity
Connector
Terminal
M103
2
—
No
3
11
12
AV control unit connector M103
Condition
Reference value
(+)
(
−)
Terminal
Terminal
AV-274
< DTC/CIRCUIT DIAGNOSIS >
[NAVIGATION WITHOUT BOSE]
FRONT TWEETER
Is the inspection result normal?
YES
>> Replace front tweeter. Refer to
AV-299, "Removal and Installation"
NO
>> Replace AV control unit. Refer to
AV-298, "Removal and Installation"
.
2
3
Audio signal output
11
12
SKIB3609E
AV
REAR SPEAKER
AV-275
< DTC/CIRCUIT DIAGNOSIS >
[NAVIGATION WITHOUT BOSE]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
REAR SPEAKER
Diagnosis Procedure
INFOID:0000000009758977
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 SPEAKER SIGNAL CIRCUIT CONTINUITY
1. Disconnect AV control unit connector M103 and suspect rear speaker connector.
2. Check continuity between AV control unit connector M103 and suspect rear speaker connector.
3. Check continuity between AV control unit connector M103 and ground.
Is the inspection result normal?
YES
>> GO TO 3
NO
>> Repair or replace harness or connectors.
3.
CHECK REAR SPEAKER SIGNAL
1. Connect AV control unit connector M103 and suspect rear speaker connector.
2. Turn ignition switch to ACC.
3. Push AV control unit POWER switch.
4. Check signal between the terminals of AV control unit connector M103.
AV control unit
Rear speaker
Continuity
Connector
Terminal
Connector
Terminal
M103
4
B40 (LH)
1
Yes
5
2
13
B38 (RH)
1
14
2
AV control unit
Ground
Continuity
Connector
Terminal
M103
4
—
No
5
13
14
AV control unit connector M103
Condition
Reference value
(+)
(
−)
Terminal
Terminal
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