Nissan Frontier D40. Instruction — part 13
AV-44
< COMPONENT DIAGNOSIS >
[PREMIUM AUDIO (KING CAB)]
POWER SUPPLY AND GROUND CIRCUIT
Are the fuses OK?
YES
>> GO TO 2
NO
>> If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse.
2.
POWER SUPPLY CIRCUIT CHECK
1.
Turn ignition switch OFF.
2.
Disconnect satellite radio tuner (factory installed) connector M41.
3.
Check voltage between the satellite radio tuner (factory installed) and ground.
Are the voltage readings as specified?
YES
>> GO TO 3
NO
>> • Check connector housings for disconnected or loose
terminals.
• Repair harness or connector.
3.
GROUND CIRCUIT CHECK
Inspect satellite radio tuner (factory installed) case ground.
Does case ground pass inspection?
YES
>> Inspection End.
NO
>> Repair satellite radio tuner (factory installed) case ground.
BLUETOOTH CONTROL UNIT
BLUETOOTH CONTROL UNIT : Diagnosis Procedure
INFOID:0000000005274894
Regarding Wiring Diagram information, refer to
1.
CHECK FUSE
Check that the following fuses for the Bluetooth control unit are not blown.
Is inspection result OK?
YES
>> GO TO 2.
NO
>> Be sure to eliminate cause of malfunction before installing new fuse.
2.
CHECK POWER SUPPLY CIRCUIT
Unit
Terminals
Signal name
Fuse No.
Satellite radio tuner (factory in-
stalled)
32
Battery power
17
36
Ignition switch ACC or ON
4
(+)
(-)
OFF
ACC
ON
Connector
Terminal
M41
32
Ground
Battery
voltage
Battery
voltage
Battery
voltage
36
0V
Battery
voltage
Battery
voltage
WKIA4539E
Unit
Terminal
Signal name
Fuse No.
Bluetooth control unit
1
Battery power
29
2
Ignition switch ACC or ON
4
3
Ignition switch ON or START
12
AV
POWER SUPPLY AND GROUND CIRCUIT
AV-45
< COMPONENT DIAGNOSIS >
[PREMIUM AUDIO (KING CAB)]
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Check voltage between Bluetooth control unit harness connector
B141 and ground.
Is battery voltage present as specified?
YES
>> GO TO 3.
NO
>> Check harness between Bluetooth control unit and fuse.
3.
CHECK GROUND CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect Bluetooth control unit connector.
3.
Check continuity between Bluetooth control unit harness con-
nector B141 and ground.
Are continuity results as specified?
YES
>> Inspection End.
NO
>> Repair harness or connector.
MICROPHONE
MICROPHONE : Diagnosis Procedure
INFOID:0000000005274895
Regarding Wiring Diagram information, refer to
1.
CHECK POWER SUPPLY CIRCUIT (MICROPHONE SIDE)
1.
Turn ignition switch ON.
2.
Check voltage between microphone harness connector R8 ter-
minal 4 and ground.
Is approximately 5V present?
YES
>> GO TO 3
NO
>> GO TO 2
2.
CHECK POWER SUPPLY CIRCUIT (CONTINUITY)
(+)
(-)
OFF
ON
ACC
Connector
Terminal
B141
1
Ground
Battery
voltage
Battery
voltage
Battery
voltage
2
0V
Battery
voltage
Battery
voltage
3
0V
Battery
voltage
0V
ALNIA0323GB
Connector
Terminal
—
Continuity
B141
4
Ground
Yes
20
21
22
AWNIA1802ZZ
(+)
(-)
Value (Approx.)
Connector
Terminal
R8
4
Ground
5V
WKIA5796E
AV-46
< COMPONENT DIAGNOSIS >
[PREMIUM AUDIO (KING CAB)]
POWER SUPPLY AND GROUND CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect microphone and Bluetooth control unit harness con-
nectors.
3.
Check continuity between microphone harness connector R8
(A) terminal 4 and Bluetooth control unit harness connector
B141 (B) terminal 29.
4.
Check continuity between microphone harness connector R8
(A) terminal 4 and ground.
Are the continuity test results as specified?
YES
>> Replace the Bluetooth control unit. Refer to
AV-90, "Removal and Installation"
.
NO
>> Repair harness or connector.
3.
CHECK GROUND CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect microphone harness connector R8 and Bluetooth
control unit harness connector B141.
3.
Check continuity between microphone harness connector R8
(A) terminal 2 and Bluetooth control unit harness connector
B141 (B) terminal 8.
Does continuity exist?
YES
>> Inspection End.
NO
>> Repair harness or connector.
A
B
Continuity
Connector
Terminal
Connector
Terminal
R8
4
B141
29
Yes
A
—
Continuity
Connector
Terminal
R8
4
Ground
No
ALNIA0320GB
A
B
Continuity
Connector
Terminal
Connector
Terminal
R8
2
B141
8
Yes
ALNIA0322GB
AV
FRONT DOOR SPEAKER
AV-47
< COMPONENT DIAGNOSIS >
[PREMIUM AUDIO (KING CAB)]
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FRONT DOOR SPEAKER
Description
INFOID:0000000005274896
The audio unit sends audio signals to the front door speakers using the audio signal circuits.
Diagnosis Procedure
INFOID:0000000005274897
Regarding Wiring Diagram information, refer to
1.
SPEAKER HARNESS CHECK
1.
Disconnect audio unit connector M64 and suspect speaker con-
nector.
2.
Check continuity between audio unit harness connector M64 (A)
and suspect speaker harness connector (B).
3.
Check continuity between audio unit harness connector M64 (A)
and ground.
Are continuity test results as specified?
YES
>> GO TO 2
NO
>> • Check connector housings for disconnected or loose terminals.
• Repair harness or connector.
2.
SPEAKER SIGNAL CHECK
A
B
Continuity
Connector
Terminal
Connector
Terminal
M64
1
D13
2
Yes
2
1
3
D111
2
4
1
A
—
Continuity
Connector
Terminal
M64
1
Ground
No
2
3
4
AWNIA0849ZZ
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