Nissan Sentra. Instruction — part 47
AV-180
< DTC/CIRCUIT DIAGNOSIS >
[DISPLAY AUDIO WITH BOSE]
FRONT TWEETER
Is the inspection result normal?
YES
>> Replace front tweeter. Refer to
AV-204, "Removal and Installation"
NO
>> GO TO 4
4.
CHECK FRONT TWEETER 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 TWEETER 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?
37
36
Audio signal output
34
35
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
FRONT TWEETER
AV-181
< DTC/CIRCUIT DIAGNOSIS >
[DISPLAY AUDIO WITH BOSE]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
YES
>> Replace Bose speaker amp. Refer to
AV-214, "Removal and Installation"
NO
>> Replace audio unit. Refer to
AV-203, "Removal and Installation"
.
AV-182
< DTC/CIRCUIT DIAGNOSIS >
[DISPLAY AUDIO WITH BOSE]
REAR DOOR SPEAKER
REAR DOOR SPEAKER
Diagnosis Procedure
INFOID:0000000009758901
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 REAR DOOR SPEAKER SIGNAL CIRCUIT CONTINUITY (BOSE SPEAKER AMP.)
1. Disconnect Bose speaker amp. connectors and suspect rear door speaker connector.
2. Check continuity between Bose speaker amp. connectors and suspect rear door speaker connector.
3. Check continuity between Bose speaker amp. connectors and ground.
Is the inspection result normal?
YES
>> GO TO 3
NO
>> Repair or replace harness or connectors.
3.
CHECK REAR DOOR SPEAKER SIGNAL (BOSE SPEAKER AMP.)
1. Connect Bose speaker amp. connectors and suspect rear 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. connectors.
Bose speaker amp.
Rear door speaker
Continuity
Connector
Terminal
Connector
Terminal
B43
10
D207 (LH)
1
Yes
23
2
B44
24
D309 (RH)
1
29
2
Bose speaker amp.
Ground
Continuity
Connector
Terminal
B43
10
—
No
23
B44
24
29
Bose speaker amp.
Condition
Reference value
Connector
(+)
(
−)
Terminal
Terminal
AV
REAR DOOR SPEAKER
AV-183
< 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 rear door speaker. Refer to
AV-206, "Removal and Installation"
.
NO
>> GO TO 4
4.
CHECK REAR 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 REAR 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?
B43
10
23
Audio signal output
B44
24
29
SKIB3609E
Bose speaker amp.
Audio unit
Continuity
Connector
Terminal
Connector
Terminal
B43
14
M94
4
Yes
15
5
12
13
13
14
Bose speaker amp.
Ground
Continuity
Connector
Terminal
B43
14
—
No
15
12
13
Audio unit connector M94
Condition
Reference value
(+)
(
−)
Terminal
Terminal
4
5
Audio signal output
13
14
SKIB3609E
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