Nissan Altima L32. Instruction — part 12
AV-40
< COMPONENT DIAGNOSIS >
[BASE AUDIO]
SOUND SIGNAL CIRCUIT (COUPE)
SOUND SIGNAL CIRCUIT (COUPE)
SATELLITE RADIO TUNER
SATELLITE RADIO TUNER : Description
INFOID:0000000004206387
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:0000000004206388
LEFT CHANNEL
1.
CHECK HARNESS
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 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 B57 terminals 21 and 22 with CONSULT-III or oscillo-
scope.
Are voltage readings as specified?
YES
>> Replace audio unit. Refer to
AV-72, "Removal and Installation"
.
NO
>> Replace satellite radio tuner. Refer to
AV-223, "Removal and Installation - Coupe"
.
RIGHT CHANNEL
1.
CHECK HARNESS
A
B
Continuity
Connector
Terminal
Connector
Terminal
B57
21
M45
31
Yes
22
32
A
—
Continuity
Connector
Terminal
B57
21
Ground
No
22
AWNIA0041ZZ
21 - 22
WKIA4548E
SKIB3609E
AV
SOUND SIGNAL CIRCUIT (COUPE)
AV-41
< COMPONENT DIAGNOSIS >
[BASE AUDIO]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
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-72, "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-42
< COMPONENT DIAGNOSIS >
[BASE AUDIO]
SOUND SIGNAL CIRCUIT (SEDAN)
SOUND SIGNAL CIRCUIT (SEDAN)
SATELLITE RADIO TUNER
SATELLITE RADIO TUNER : Description
INFOID:0000000004206389
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:0000000004206390
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-72, "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
SOUND SIGNAL CIRCUIT (SEDAN)
AV-43
< COMPONENT DIAGNOSIS >
[BASE AUDIO]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
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-72, "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
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