Nissan Frontier D40. Manual — part 31
AV-116
< COMPONENT DIAGNOSIS >
[PREMIUM AUDIO (CREW CAB)]
FRONT TWEETER
FRONT TWEETER
Description
INFOID:0000000005274949
The audio unit sends audio signals to the audio amp. The audio amp. amplifies the audio signals before send-
ing them to the tweeters using the audio signal circuits.
Diagnosis Procedure
INFOID:0000000005274950
Regarding Wiring Diagram information, refer to
.
1.
HARNESS CHECK
1.
Disconnect audio amp. connector B159 and suspect tweeter
connector.
2.
Check continuity between audio amp. harness connector B159
(A) and suspect tweeter 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 TWEETER SIGNAL CHECK
A B
Continuity
Connector
Terminal
Connector
Terminal
B159
14
M107
1
Yes
30
2
13
M108
1
29
2
A
—
Continuity
Connector
Terminal
B159
14
Ground
No
30
13
29
ALNIA0722GB
AV
FRONT TWEETER
AV-117
< COMPONENT DIAGNOSIS >
[PREMIUM AUDIO (CREW CAB)]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
1.
Connect audio amp. connector B159 and suspect tweeter 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 tweeter. 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
14
30
Receive
audio sig-
nal
13
29
ALNIA0723GB
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-118
< COMPONENT DIAGNOSIS >
[PREMIUM AUDIO (CREW CAB)]
FRONT TWEETER
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
AV
REAR DOOR SPEAKER
AV-119
< COMPONENT DIAGNOSIS >
[PREMIUM AUDIO (CREW CAB)]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
REAR DOOR SPEAKER
Description
INFOID:0000000005274951
The audio unit sends audio signals to the audio amp. The audio amp. amplifies the audio signals before send-
ing them to the rear door speakers using the audio signal circuits.
Diagnosis Procedure
INFOID:0000000005274952
Regarding Wiring Diagram information, refer to
.
1.
SPEAKER HARNESS CHECK
1.
Disconnect audio amp. connectors B159 and suspect speaker
connector.
2.
Check continuity between audio amp. harness connectors B159
(A) and suspect speaker harness connector (B).
3.
Check continuity between audio amp. harness connectors B159
(A) and ground.
Are the 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
B159
11
D206
1
Yes
27
2
12
D306
1
28
2
Connector
Terminal
-
Continuity
B159
11
Ground
No
27
12
28
ALNIA0726GB
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст