Nissan Altima L32. Instruction — part 11
AV-36
< COMPONENT DIAGNOSIS >
[BASE AUDIO]
COMMUNICATION SIGNAL CIRCUIT (COUPE)
COMMUNICATION SIGNAL CIRCUIT (COUPE)
SATELLITE RADIO TUNER
SATELLITE RADIO TUNER : Description
INFOID:0000000004206383
Communication signals are exchanged between the audio unit and satellite radio tuner using the communica-
tion circuits.
SATELLITE RADIO TUNER : Diagnosis Procedure
INFOID:0000000004206384
1.
CHECK HARNESS - 1
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)
harness connector B57 (A) terminal 28 and audio unit harness
connector M45 (B) terminal 38.
4. Check continuity between satellite radio tuner (factory installed)
harness connector B57 (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 B57 (A) terminal 29 and audio unit harness
connector M45 (B) terminal 39.
2. Check continuity between satellite radio tuner (factory installed)
harness connector B57 (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 B57 (A) terminal 30 and audio unit harness
connector M45 (B) terminal 40.
2. Check continuity between satellite radio tuner (factory installed)
harness connector B57 (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
COMMUNICATION SIGNAL CIRCUIT (COUPE)
AV-37
< COMPONENT DIAGNOSIS >
[BASE AUDIO]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
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-72, "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-76, "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-76, "Removal and Installation - Coupe"
.
NO
>> Replace audio unit. Refer to
AV-72, "Removal and Installation"
.
28 - Ground
WKIA4544E
SKIB3825E
29 - Ground
WKIA4545E
SKIB3824E
30 - Ground
WKIA4546E
SKIB3826E
AV-38
< COMPONENT DIAGNOSIS >
[BASE AUDIO]
COMMUNICATION SIGNAL CIRCUIT (SEDAN)
COMMUNICATION SIGNAL CIRCUIT (SEDAN)
SATELLITE RADIO TUNER
SATELLITE RADIO TUNER : Description
INFOID:0000000004206385
Communication signals are exchanged between the audio unit and satellite radio tuner using the communica-
tion circuits.
SATELLITE RADIO TUNER : Diagnosis Procedure
INFOID:0000000004206386
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
COMMUNICATION SIGNAL CIRCUIT (SEDAN)
AV-39
< COMPONENT DIAGNOSIS >
[BASE AUDIO]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
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-72, "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-76, "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-76, "Removal and Installation - Sedan"
.
NO
>> Replace audio unit. Refer to
AV-72, "Removal and Installation"
.
28 - Ground
WKIA4544E
SKIB3825E
29 - Ground
WKIA4545E
SKIB3824E
30 - Ground
WKIA4546E
SKIB3826E
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