Nissan Altima L32. Instruction — part 28
AV-104
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITHOUT NAVIGATION]
POWER SUPPLY AND GROUND CIRCUIT (COUPE)
COMPONENT DIAGNOSIS
POWER SUPPLY AND GROUND CIRCUIT (COUPE)
AUDIO UNIT
AUDIO UNIT : Diagnosis Procedure
INFOID:0000000004206434
1.
CHECK FUSES
Check that the following fuses are not blown.
Are the fuses OK?
YES
>> GO TO 2
NO
>> If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse.
2.
POWER SUPPLY CIRCUIT CHECK
1. Disconnect audio unit connector M43.
2. Check voltage between the audio unit connector M43 and
ground.
Are the voltage results as specified?
YES
>> GO TO 3
NO
>> • Check connector housings for disconnected or loose terminals.
• Repair harness or connector.
3.
GROUND CIRCUIT CHECK
Inspect audio unit case ground.
Does case ground pass inspection?
YES
>> Inspection End.
NO
>> Repair audio unit case ground.
BOSE SPEAKER AMP
BOSE SPEAKER AMP : Diagnosis Procedure
INFOID:0000000004206435
1.
CHECK FUSE
Check for blown fuses.
Are the fuses OK?
YES
>> GO TO 2
NO
>> Be sure to eliminate cause of malfunction before installing new fuse.
2.
CHECK POWER SUPPLY CIRCUIT
Unit
Terminals
Signal name
Fuse No.
Audio unit
19
Battery power
24
7
Ignition switch ACC or ON
19
(+)
(-)
OFF
ACC
ON
Connector
Terminal
M43
19
Ground
Battery
voltage
Battery
voltage
Battery
voltage
7
Ground
0V
Battery
voltage
Battery
voltage
WKIA5769E
Unit
Terminals
Signal name
Fuse No.
BOSE speaker amp.
50
Battery power
25
51
26
AV
POWER SUPPLY AND GROUND CIRCUIT (COUPE)
AV-105
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITHOUT NAVIGATION]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
1. Turn ignition switch OFF.
2. Disconnect BOSE speaker amp connector.
3. Check voltage between BOSE speaker amp harness connector
and ground.
Is battery voltage present?
YES
>> GO TO 3
NO
>> Check harness between BOSE speaker amp and fuse.
3.
CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BOSE speaker amp connector.
3. Check continuity between BOSE speaker amp harness connec-
tor and ground.
Does continuity exist?
YES
>> Inspection End.
NO
>> Repair harness or connector.
SATELLITE RADIO TUNER
SATELLITE RADIO TUNER : Diagnosis Procedure
INFOID:0000000004206436
1.
CHECK FUSES
Check that the following fuses are not blown.
Are the fuses OK?
YES
>> GO TO 2
NO
>> If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse.
2.
POWER SUPPLY CIRCUIT CHECK
1. Turn ignition switch OFF.
2. Disconnect satellite radio tuner (factory installed) connector B57.
3. Check voltage between the satellite radio tuner (factory installed) and ground.
(+)
(-)
Voltage (approx.)
Connector
Terminal
B122
50
Ground
Battery voltage
51
ALNIA0128ZZ
(+)
(-)
Continuity
Connector
Terminal
B122
47
Ground
Yes
52
ALNIA0129ZZ
Unit
Terminals
Signal name
Fuse No.
Satellite radio tuner (factory in-
stalled)
32
Battery power
24
36
Ignition switch ACC or ON
19
AV-106
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITHOUT NAVIGATION]
POWER SUPPLY AND GROUND CIRCUIT (COUPE)
Are the voltage results as specified?
YES
>> GO TO 3
NO
>> • Check connector housings for disconnected or loose
terminals.
• Repair harness or connector.
3.
GROUND CIRCUIT CHECK
Inspect satellite radio tuner (factory installed) case ground.
Does case ground pass inspection?
YES
>> Inspection End.
NO
>> Repair satellite radio tuner (factory installed) case ground.
BLUETOOTH CONTROL UNIT
BLUETOOTH CONTROL UNIT : Diagnosis Procedure
INFOID:0000000004206437
1.
CHECK FUSE
Check that the following fuses of the Bluetooth control unit are not blown.
Are the fuses OK?
YES
>> GO TO 2
NO
>> Be sure to eliminate cause of malfunction before installing new fuse.
2.
CHECK POWER SUPPLY CIRCUIT
Check voltage between Bluetooth control unit harness connector
and ground.
Are the voltage results as specified?
YES
>> GO TO 3
NO
>> Check harness between Bluetooth control unit and fuse.
3.
CHECK GROUND CIRCUIT
(+)
(-)
OFF
ACC
ON
Connector
Terminal
B57
32
Ground
Battery
voltage
Battery
voltage
Battery
voltage
36
Ground
0V
Battery
voltage
Battery
voltage
WKIA4539E
Power source
Fuse No.
Battery
24
Ignition switch ACC or ON
19
Ignition switch ON or START
3
(+)
(-)
Ignition switch
position
Value (Approx.)
Connector
Terminal
B55
1
Ground
OFF
Battery voltage
2
ACC
3
ON
WKIA4389E
AV
POWER SUPPLY AND GROUND CIRCUIT (COUPE)
AV-107
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITHOUT NAVIGATION]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
1. Turn ignition switch OFF.
2. Disconnect Bluetooth control unit connector B55.
3. Check continuity between Bluetooth control unit harness con-
nector and ground.
Does continuity exist?
YES
>> Inspection End.
NO
>> Repair harness or connector.
MICROPHONE
MICROPHONE : Diagnosis Procedure
INFOID:0000000004206438
1.
CHECK POWER SUPPLY CIRCUIT (MICROPHONE SIDE)
Check voltage between microphone harness connector and ground.
Is proper voltage present?
YES
>> GO TO 4
NO
>> GO TO 2
2.
CHECK POWER SUPPLY CIRCUIT (CONTINUITY)
1. Turn ignition switch OFF.
2. Disconnect Bluetooth control unit and microphone connectors.
3. Check continuity between microphone harness connector R7
(A) terminal 4 and Bluetooth control unit harness connector B55
(B) terminal 29.
4. Check continuity between microphone harness connector R7
(A) terminal 4 and ground.
Are continuity results as specified?
YES
>> GO TO 3
NO
>> Repair harness or connector.
3.
CHECK POWER SUPPLY CIRCUIT (BLUETOOTH CONTROL UNIT SIDE)
(+)
(-)
Continuity
Connector
Terminal
B55
4
Ground
Yes
24
ALNIA0130ZZ
(+)
(-)
Ignition switch po-
sition
Value (Approx.)
Connector
Terminal
R7
4
Ground
ON
5V
WKIA5796E
Signal name
Continuity
Microphone VCC signal
Continuity should exist.
Signal name
Continuity
Microphone VCC signal
Continuity should not exist.
ALNIA0132ZZ
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