Nissan Sentra. Manual — part 48
AV-184
< DTC/CIRCUIT DIAGNOSIS >
[DISPLAY AUDIO WITH BOSE]
REAR 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
REAR WOOFER
AV-185
< DTC/CIRCUIT DIAGNOSIS >
[DISPLAY AUDIO WITH BOSE]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
REAR WOOFER
Diagnosis Procedure
INFOID:0000000009758902
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 WOOFER SIGNAL CIRCUIT CONTINUITY (BOSE SPEAKER AMP.)
1. Disconnect Bose speaker amp. connector B44 and suspect rear woofer connector.
2. Check continuity between Bose speaker amp. connector B44 and suspect rear woofer 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 REAR WOOFER SIGNAL (BOSE SPEAKER AMP.)
1. Connect Bose speaker amp. connector B44 and suspect rear woofer 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.
Rear woofer
Continuity
Connector
Terminal
Connector
Terminal
B44
25
B36 (LH)
1
Yes
30
2
33
B39 (RH)
1
32
2
Bose speaker amp.
Ground
Continuity
Connector
Terminal
B44
30
—
No
25
33
32
Bose speaker amp. connector B44
Condition
Reference value
(+)
(
−)
Terminal
Terminal
AV-186
< DTC/CIRCUIT DIAGNOSIS >
[DISPLAY AUDIO WITH BOSE]
REAR WOOFER
Is the inspection result normal?
YES
>> Replace rear woofer. Refer to
AV-207, "Removal and Installation"
NO
>> GO TO 4
4.
CHECK REAR WOOFER 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 WOOFER 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?
25
30
Audio signal output
33
32
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
AV
REAR WOOFER
AV-187
< 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"
.
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