Nissan Frontier D40. Manual — part 30
AV-112
< COMPONENT DIAGNOSIS >
[PREMIUM AUDIO (CREW 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-175, "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-113
< COMPONENT DIAGNOSIS >
[PREMIUM AUDIO (CREW CAB)]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
FRONT DOOR SPEAKER
Description
INFOID:0000000005274947
The audio unit sends audio signals to the audio amp. The audio amp. amplifies the audio signals before send-
ing them to the front door speakers using the audio signal circuits.
Diagnosis Procedure
INFOID:0000000005274948
Regarding Wiring Diagram information, refer to
.
1.
SPEAKER HARNESS CHECK
1.
Disconnect audio amp. connector B159 and suspect speaker
connector.
2.
Check continuity between audio amp. harness connector B159
(A) and suspect speaker harness connector (B).
3.
Check continuity between audio amp. harness connector B159
(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.
FRONT DOOR SPEAKER SIGNAL CHECK
A B
Continuity
Connector
Terminal
Connector
Terminal
B159
15
D15
1
Yes
31
2
16
D110
1
32
2
A
—
Continuity
Connector
Terminal
B159
15
Ground
No
31
16
32
ALNIA0718GB
AV-114
< COMPONENT DIAGNOSIS >
[PREMIUM AUDIO (CREW CAB)]
FRONT DOOR SPEAKER
1.
Connect audio amp. connector B159 and suspect speaker con-
nector.
2.
Turn ignition switch to ACC.
3.
Push “POWER” switch.
4.
Check the signal between audio amp. harness connector B159
terminals with CONSULT-III or oscilloscope.
Is audio signal voltage as specified?
YES
>> Replace suspect speaker. Refer to
.
NO
>> GO TO 3
3.
PRE-AMP HARNESS CHECK
1.
Disconnect audio unit connector M65 and audio amp. connector
B159.
2.
Check continuity between audio unit harness connector M65 (A)
and audio amp. harness connector B159 (B).
3.
Check continuity between audio unit harness connector M65 (A)
and ground.
Are continuity test results as specified?
YES
>> GO TO 4
NO
>> • Check connector housings for disconnected or loose terminals.
• Repair harness or connector.
4.
PRE-AMP SIGNAL CHECK
Connec-
tor
Terminal
Condition
Reference
signal
(+)
(-)
B159
15
31
Receive
audio sig-
nal
16
32
ALNIA0719GB
SKIA0177E
A
B
Continuity
Connector
Terminal
Connector
Terminal
M65
1
B159
6
Yes
2
22
3
5
4
21
A
—
Continuity
Connector
Terminal
M65
1
Ground
No
2
3
4
ALNIA0720GB
AV
FRONT DOOR SPEAKER
AV-115
< COMPONENT DIAGNOSIS >
[PREMIUM AUDIO (CREW CAB)]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
1.
Connect audio unit connector and audio amp. connector.
2.
Turn ignition switch ACC.
3.
Push “POWER” switch.
4.
Check the signal between audio unit harness connector M65
terminals with CONSULT-III or oscilloscope.
Are the audio signal voltage readings as specified?
YES
>> Replace audio amp. Refer to
NO
>> Replace audio unit. Refer to
Connector
Terminals
Condition
Reference
signal
(+)
(-)
M65
2
1
Receive
audio sig-
nal
4
3
AWNIA1803ZZ
SKIA0177E
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст