Nissan Altima L32. Instruction — part 40
AV-152
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITHOUT NAVIGATION]
SOUND SIGNAL CIRCUIT (COUPE)
1. Turn ignition switch OFF.
2. Disconnect satellite radio tuner (factory installed) connector B57
and audio unit connector M45.
3. Check continuity between satellite radio tuner (factory installed)
connector B57 (A) and audio unit connector M45 (B).
4. Check continuity between satellite radio tuner (factory installed) connector B57 (A) and ground.
Are continuity results as specified?
YES
>> GO TO 2
NO
>> Repair harness or connector.
2.
CHECK RIGHT CHANNEL AUDIO SIGNAL
1. Connect satellite radio tuner (factory installed) and audio unit.
2. Turn ignition switch ON.
3. Check signal between satellite radio tuner (factory installed)
connector B57 terminals 23 and 24 with CONSULT-III or oscillo-
scope.
Are voltage readings as specified?
YES
>> Replace audio unit. Refer to
AV-215, "Removal and Installation"
.
NO
>> Replace satellite radio tuner. Refer to
AV-223, "Removal and Installation - Coupe"
.
A
B
Continuity
Connector
Terminal
Connector
Terminal
B57
23
M45
33
Yes
24
34
A
—
Continuity
Connector
Terminal
B57
23
Ground
No
24
AWNIA0042ZZ
23 - 24
WKIA4550E
SKIB3609E
AV
SOUND SIGNAL CIRCUIT (SEDAN)
AV-153
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITHOUT NAVIGATION]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
SOUND SIGNAL CIRCUIT (SEDAN)
SATELLITE RADIO TUNER
SATELLITE RADIO TUNER : Description
INFOID:0000000004206474
Left and right channel audio signals are supplied from the satellite radio tuner to the audio unit through the
sound signal circuits.
SATELLITE RADIO TUNER : Diagnosis Procedure
INFOID:0000000004206475
LEFT CHANNEL
1.
CHECK HARNESS
1. Turn ignition switch OFF.
2. Disconnect satellite radio tuner (factory installed) connector
B123 and audio unit connector M45.
3. Check continuity between satellite radio tuner (factory installed)
connector B123 (A) and audio unit connector M45 (B).
4. Check continuity between satellite radio tuner (factory installed) connector B123 (A) and ground.
Are continuity results as specified?
YES
>> GO TO 2
NO
>> Repair harness or connector.
2.
CHECK LEFT CHANNEL AUDIO SIGNAL
1. Connect satellite radio tuner (factory installed) and audio unit.
2. Turn ignition switch ON.
3. Check signal between satellite radio tuner (factory installed)
connector B123 terminals 21 and 22 with CONSULT-III or oscil-
loscope.
Are voltage readings as specified?
YES
>> Replace audio unit. Refer to
AV-215, "Removal and Installation"
.
NO
>> Replace satellite radio tuner. Refer to
AV-223, "Removal and Installation - Sedan"
.
RIGHT CHANNEL
1.
CHECK HARNESS
A
B
Continuity
Connector
Terminal
Connector
Terminal
B123
21
M45
31
Yes
22
32
A
—
Continuity
Connector
Terminal
B123
21
Ground
No
22
AWNIA0041ZZ
21 - 22
WKIA4548E
SKIB3609E
AV-154
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITHOUT NAVIGATION]
SOUND SIGNAL CIRCUIT (SEDAN)
1. Turn ignition switch OFF.
2. Disconnect satellite radio tuner (factory installed) connector
B123 and audio unit connector M45.
3. Check continuity between satellite radio tuner (factory installed)
connector B123 (A) and audio unit connector M45 (B).
4. Check continuity between satellite radio tuner (factory installed) connector B123 (A) and ground.
Are continuity results as specified?
YES
>> GO TO 2
NO
>> Repair harness or connector.
2.
CHECK RIGHT CHANNEL AUDIO SIGNAL
1. Connect satellite radio tuner (factory installed) and audio unit.
2. Turn ignition switch ON.
3. Check signal between satellite radio tuner (factory installed)
connector B123 terminals 23 and 24 with CONSULT-III or oscil-
loscope.
Are voltage readings as specified?
YES
>> Replace audio unit. Refer to
AV-215, "Removal and Installation"
.
NO
>> Replace satellite radio tuner. Refer to
AV-223, "Removal and Installation - Sedan"
.
A
B
Continuity
Connector
Terminal
Connector
Terminal
B123
23
M45
33
Yes
24
34
A
—
Continuity
Connector
Terminal
B123
23
Ground
No
24
AWNIA0042ZZ
23 - 24
WKIA4550E
SKIB3609E
AV
MICROPHONE SIGNAL CIRCUIT (COUPE)
AV-155
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITHOUT NAVIGATION]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
MICROPHONE SIGNAL CIRCUIT (COUPE)
Description
INFOID:0000000004206476
Voice signals are transmitted from the microphone to the Bluetooth control unit using the microphone signal
circuits.
Diagnosis Procedure
INFOID:0000000004206477
1.
CHECK HARNESS BETWEEN BLUETOOTH CONTROL UNIT AND MICROPHONE
1. Turn ignition switch OFF.
2. Disconnect Bluetooth control unit connector and microphone
connector.
3. Check continuity between Bluetooth control unit harness con-
nector B55 (A) and microphone harness connector R7 (B).
4. Check continuity between Bluetooth control unit harness connector B55 (A) and ground.
Are the continuity test results as specified?
YES
>> GO TO 2
NO
>> Repair harness or connector.
2.
CHECK MICROPHONE POWER SUPPLY
1. Connect Bluetooth control unit connector and microphone con-
nector.
2. Turn ignition switch ON.
3. Check voltage between microphone harness connector R7 ter-
minal 4 and ground.
Is voltage reading approx. 5 volts?
YES
>> GO TO 3
NO
>> Replace Bluetooth control unit. Refer to
"Removal and Installation - Coupe"
.
3.
CHECK MICROPHONE SIGNAL
A
B
Continuity
Connector
Terminal
Connector
Terminal
B55
7
R7
1
Yes
8
2
29
4
A
—
Continuity
Connector
Terminal
B55
7
Ground
No
8
29
WKIA5795E
4 - Ground
: Approx. 5V
WKIA5796E
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