Nissan Frontier D40. Manual — part 35
AV-132
< COMPONENT DIAGNOSIS >
[PREMIUM AUDIO (CREW CAB)]
COMMUNICATION SIGNAL CIRCUIT
3.
CHECK HARNESS - RXD
1.
Check continuity between satellite radio tuner (factory installed)
harness connector M41 (A) terminal 30 and audio unit harness
connector M48 (B) terminal 50.
2.
Check continuity between satellite radio tuner (factory installed)
harness connector M41 (A) terminal 30 and ground.
Are continuity results as specified?
YES
>> GO TO 4
NO
>> Repair harness or connector.
4.
CHECK REQ1 SIGNAL
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 M41 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-84, "Removal and Installation"
.
5.
CHECK TXD SIGNAL
Check signal between satellite radio tuner (factory installed) harness
connector M41 terminal 29 and ground with CONSULT-III or oscillo-
scope.
A
B
Continuity
Connector
Terminal
Connector
Terminal
M41
30
M48
50
Yes
A
—
Continuity
Connector
Terminal
M41
30
Ground
No
ALNIA0708GB
(+)
(-)
Reference signal
Connector
Terminal
M41
28
Ground
WKIA4544E
SKIB3825E
(+)
(-)
Reference signal
Connector
Terminal
M41
29
Ground
WKIA4545E
SKIB3824E
AV
COMMUNICATION SIGNAL CIRCUIT
AV-133
< COMPONENT DIAGNOSIS >
[PREMIUM AUDIO (CREW CAB)]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
Are the voltage readings as specified?
YES
>> GO TO 6
NO
>> Replace satellite radio tuner.
6.
CHECK RXD SIGNAL
Check signal between satellite radio tuner (factory installed) harness
connector M41 terminal 30 and ground with CONSULT-III or oscillo-
scope.
Are the voltage readings as specified?
YES
>> Replace satellite radio tuner. Refer to
AV-97, "Removal and Installation"
.
NO
>> Replace audio unit. Refer to
AV-84, "Removal and Installation"
.
(+)
(-)
Reference signal
Connector
Terminal
M41
30
Ground
WKIA4546E
SKIB3826E
AV-134
< COMPONENT DIAGNOSIS >
[PREMIUM AUDIO (CREW CAB)]
SOUND SIGNAL CIRCUIT
SOUND SIGNAL CIRCUIT
SATELLITE RADIO TUNER
SATELLITE RADIO TUNER : Description
INFOID:0000000005274963
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:0000000005274964
Regarding Wiring Diagram information, refer to
.
LEFT CHANNEL
1.
CHECK HARNESS
1.
Turn ignition switch OFF.
2.
Disconnect satellite radio tuner (factory installed) connector M41
and audio unit connector M48.
3.
Check continuity between satellite radio tuner (factory installed)
connector M41 (A) and audio unit connector M48 (B).
4.
Check continuity between satellite radio tuner (factory installed) connector M41 (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 M41 terminals 21 and 22 with CONSULT-III or oscillo-
scope.
Are voltage readings as specified?
A
B
Continuity
Connector
Terminal
Connector
Terminal
M41
21
M48
41
Yes
22
42
A
—
Continuity
Connector
Terminal
M41
21
Ground
No
22
ALNIA0710GB
(+)
(-)
Reference signal
Connector
Terminal
Terminal
M41
22
21
ALNIA0880GB
SKIB3609E
AV
SOUND SIGNAL CIRCUIT
AV-135
< COMPONENT DIAGNOSIS >
[PREMIUM AUDIO (CREW CAB)]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
YES
>> Replace audio unit. Refer to
AV-84, "Removal and Installation"
.
NO
>> Replace satellite radio tuner. Refer to
AV-97, "Removal and Installation"
.
RIGHT CHANNEL
1.
CHECK HARNESS
1.
Turn ignition switch OFF.
2.
Disconnect satellite radio tuner (factory installed) connector M41
and audio unit connector M48.
3.
Check continuity between satellite radio tuner (factory installed)
M41 (A) and audio unit M48 (B).
4.
Check continuity between satellite radio tuner (factory installed) connector M41 (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 M41 terminals 23 and 24 with CONSULT-III or oscillo-
scope.
Are voltage readings as specified?
YES
>> Replace audio unit. Refer to
AV-84, "Removal and Installation"
.
NO
>> Replace satellite radio tuner. Refer to
AV-97, "Removal and Installation"
.
A
B
Continuity
Connector
Terminal
Connector
Terminal
M41
23
M48
43
Yes
24
44
A
—
Continuity
Connector
Terminal
M41
23
Ground
No
24
ALNIA0711GB
(+)
(-)
Reference signal
Connector
Terminal
Terminal
M41
24
23
ALNIA0881GB
SKIB3609E
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