Nissan Altima L32. Instruction — part 39
AV-148
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITHOUT NAVIGATION]
COMMUNICATION SIGNAL CIRCUIT (COUPE)
1. Connect satellite radio tuner (factory installed) connector and audio unit connector.
2. Turn ignition switch to ACC
3. Check signal between satellite radio tuner (factory installed) har-
ness connector B57 terminal 28 and ground with CONSULT-III
or oscilloscope.
Are voltage readings as specified?
YES
>> GO TO 5
NO
>> Replace audio unit. Refer to
AV-215, "Removal and Installation"
.
5.
CHECK TXD SIGNAL
Check signal between satellite radio tuner (factory installed) harness
connector B57 terminal 29 and ground with CONSULT-III or oscillo-
scope.
Are the voltage readings as specified?
YES
>> GO TO 6
NO
>> Replace satellite radio tuner. Refer to
AV-223, "Removal and Installation - Coupe"
.
6.
CHECK RXD SIGNAL
Check signal between satellite radio tuner (factory installed) harness
connector B57 terminal 30 and ground with CONSULT-III or oscillo-
scope.
Are the voltage readings as specified?
YES
>> Replace satellite radio tuner. Refer to
AV-223, "Removal and Installation - Coupe"
.
NO
>> Replace audio unit. Refer to
AV-215, "Removal and Installation"
.
28 - Ground
WKIA4544E
SKIB3825E
29 - Ground
WKIA4545E
SKIB3824E
30 - Ground
WKIA4546E
SKIB3826E
AV
COMMUNICATION SIGNAL CIRCUIT (SEDAN)
AV-149
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITHOUT NAVIGATION]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
COMMUNICATION SIGNAL CIRCUIT (SEDAN)
SATELLITE RADIO TUNER
SATELLITE RADIO TUNER : Description
INFOID:0000000004206470
Communication signals are exchanged between the audio unit and satellite radio tuner using the communica-
tion circuits.
SATELLITE RADIO TUNER : Diagnosis Procedure
INFOID:0000000004206471
1.
CHECK HARNESS - 1
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)
harness connector B123 (A) terminal 28 and audio unit harness
connector M45 (B) terminal 38.
4. Check continuity between satellite radio tuner (factory installed)
harness connector B123 (A) terminal 28 and ground.
Are continuity results as specified?
YES
>> GO TO 2
NO
>> Repair harness or connector.
2.
CHECK HARNESS - 2
1. Check continuity between satellite radio tuner (factory installed)
harness connector B123 (A) terminal 29 and audio unit harness
connector M45 (B) terminal 39.
2. Check continuity between satellite radio tuner (factory installed)
harness connector B123 (A) terminal 29 and ground.
Are continuity results as specified?
YES
>> GO TO 3
NO
>> Repair harness or connector.
3.
CHECK HARNESS - 3
1. Check continuity between satellite radio tuner (factory installed)
harness connector B123 (A) terminal 30 and audio unit harness
connector M45 (B) terminal 40.
2. Check continuity between satellite radio tuner (factory installed)
harness connector B123 (A) terminal 30 and ground.
Are continuity results as specified?
YES
>> GO TO 4
NO
>> Repair harness or connector.
4.
CHECK REQ1 SIGNAL
Continuity should exist.
Continuity should not exist.
AWNIA0038ZZ
Continuity should exist.
Continuity should not exist.
AWNIA0039ZZ
Continuity should exist.
Continuity should not exist.
AWNIA0040ZZ
AV-150
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITHOUT NAVIGATION]
COMMUNICATION SIGNAL CIRCUIT (SEDAN)
1. Connect satellite radio tuner (factory installed) connector and audio unit connector.
2. Turn ignition switch to ACC
3. Check signal between satellite radio tuner (factory installed) har-
ness connector B123 terminal 28 and ground with CONSULT-III
or oscilloscope.
Are voltage readings as specified?
YES
>> GO TO 5
NO
>> Replace audio unit. Refer to
AV-215, "Removal and Installation"
.
5.
CHECK TXD SIGNAL
Check signal between satellite radio tuner (factory installed) harness
connector B123 terminal 29 and ground with CONSULT-III or oscillo-
scope.
Are the voltage readings as specified?
YES
>> GO TO 6
NO
>> Replace satellite radio tuner. Refer to
AV-223, "Removal and Installation - Sedan"
.
6.
CHECK RXD SIGNAL
Check signal between satellite radio tuner (factory installed) harness
connector B123 terminal 30 and ground with CONSULT-III or oscillo-
scope.
Are the voltage readings as specified?
YES
>> Replace satellite radio tuner. Refer to
AV-223, "Removal and Installation - Sedan"
.
NO
>> Replace audio unit. Refer to
AV-215, "Removal and Installation"
.
28 - Ground
WKIA4544E
SKIB3825E
29 - Ground
WKIA4545E
SKIB3824E
30 - Ground
WKIA4546E
SKIB3826E
AV
SOUND SIGNAL CIRCUIT (COUPE)
AV-151
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITHOUT NAVIGATION]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
SOUND SIGNAL CIRCUIT (COUPE)
SATELLITE RADIO TUNER
SATELLITE RADIO TUNER : Description
INFOID:0000000004206472
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:0000000004206473
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-215, "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
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