Nissan Sentra. Instruction — part 46
AV-176
< DTC/CIRCUIT DIAGNOSIS >
[DISPLAY AUDIO WITH BOSE]
FRONT DOOR SPEAKER
FRONT DOOR SPEAKER
Diagnosis Procedure
INFOID:0000000009758899
Regarding Wiring Diagram information, refer to
.
1.
CONNECTOR CHECK
Check the audio unit, Bose speaker amp. 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 (BOSE SPEAKER AMP.)
1. Disconnect Bose speaker amp. connector B43 and suspect front door speaker connector.
2. Check continuity between Bose speaker amp. connector B43 and suspect front door speaker connector.
3. Check continuity between Bose speaker amp. connector B43 and ground.
Is the inspection result normal?
YES
>> GO TO 3
NO
>> Repair or replace harness or connectors.
3.
CHECK FRONT DOOR SPEAKER SIGNAL (BOSE SPEAKER AMP.)
1. Connect Bose speaker amp. connector B43 and suspect front door speaker connector.
2. Turn ignition switch to ACC.
3. Push audio unit POWER switch.
4. Check signal between the terminals of Bose speaker amp. connector B43.
Bose speaker amp.
Front door speaker
Continuity
Connector
Terminal
Connector
Terminal
B43
20
D13 (LH)
1
Yes
19
2
7
D111 (RH)
1
6
2
Bose speaker amp.
Ground
Continuity
Connector
Terminal
B43
20
—
No
19
7
6
Bose speaker amp. connector B43
Condition
Reference value
(+)
(
−)
Terminal
Terminal
AV
FRONT DOOR SPEAKER
AV-177
< DTC/CIRCUIT DIAGNOSIS >
[DISPLAY AUDIO WITH BOSE]
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-205, "Removal and Installation"
NO
>> GO TO 4
4.
CHECK FRONT DOOR SPEAKER SIGNAL CIRCUIT CONTINUITY (AUDIO UNIT)
1. Turn ignition switch to OFF.
2. Disconnect Bose speaker amp. connector B43 and audio unit connector M94.
3. Check continuity between Bose speaker amp. connector B43 and audio unit connector M94.
4. Check continuity between Bose speaker amp. connector B43 and ground.
Is the inspection result normal?
YES
>> GO TO 5
NO
>> Repair or replace harness or connectors.
5.
CHECK FRONT DOOR SPEAKER SIGNAL (AUDIO UNIT)
1. Connect Bose speaker amp. connector B43 and audio unit connector M94.
2. Turn ignition switch to ACC.
3. Push audio unit POWER switch.
4. Check signal between the terminals of audio unit connector M94.
Is the inspection result normal?
20
19
Audio signal output
7
6
SKIB3609E
Bose speaker amp.
Audio unit
Continuity
Connector
Terminal
Connector
Terminal
B43
2
M94
3
Yes
3
2
4
12
5
11
Bose speaker amp.
Ground
Continuity
Connector
Terminal
B43
2
—
No
3
4
5
Audio unit connector M94
Condition
Reference value
(+)
(
−)
Terminal
Terminal
2
3
Audio signal output
11
12
SKIB3609E
AV-178
< DTC/CIRCUIT DIAGNOSIS >
[DISPLAY AUDIO WITH BOSE]
FRONT DOOR SPEAKER
YES
>> Replace Bose speaker amp. Refer to
AV-214, "Removal and Installation"
NO
>> Replace audio unit. Refer to
AV-203, "Removal and Installation"
.
AV
FRONT TWEETER
AV-179
< DTC/CIRCUIT DIAGNOSIS >
[DISPLAY AUDIO WITH BOSE]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
FRONT TWEETER
Diagnosis Procedure
INFOID:0000000009758900
Regarding Wiring Diagram information, refer to
.
1.
CONNECTOR CHECK
Check the audio unit, Bose speaker amp. 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 (BOSE SPEAKER AMP.)
1. Disconnect Bose speaker amp. connector B44 and suspect front tweeter connector.
2. Check continuity between Bose speaker amp. connector B44 and suspect front tweeter connector.
3. Check continuity between Bose speaker amp. connector B44 and ground.
Is the inspection result normal?
YES
>> GO TO 3
NO
>> Repair or replace harness or connectors.
3.
CHECK FRONT TWEETER SIGNAL (BOSE SPEAKER AMP.)
1. Connect Bose speaker amp. connector B44 and suspect front tweeter connector.
2. Turn ignition switch to ACC.
3. Push audio unit POWER switch.
4. Check signal between the terminals of Bose speaker amp. connector B44.
Bose speaker amp.
Front tweeter
Continuity
Connector
Terminal
Connector
Terminal
B44
37
M46 (LH)
1
Yes
36
2
34
M47 (RH)
1
35
2
Bose speaker amp.
Ground
Continuity
Connector
Terminal
B44
36
—
No
37
34
35
Bose speaker amp. connector B44
Condition
Reference value
(+)
(
−)
Terminal
Terminal
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