Nissan Frontier D40. Manual — part 14
AV-48
< COMPONENT DIAGNOSIS >
[PREMIUM AUDIO (KING CAB)]
FRONT DOOR SPEAKER
1.
Connect audio unit connector and suspect speaker connector.
2.
Turn ignition switch ACC.
3.
Push “POWER” switch.
4.
Check the signal between audio unit harness connector M64
terminals with CONSULT-III or oscilloscope.
Are the audio signal voltage readings as specified?
YES
>> Replace suspect speaker. Refer to
.
NO
>> Replace audio unit. Refer to
Connector
Terminals
Condition
Reference
signal
(+)
(-)
M64
2
1
Receive
audio sig-
nal
4
3
AWNIA1803ZZ
SKIA0177E
AV
FRONT TWEETER
AV-49
< COMPONENT DIAGNOSIS >
[PREMIUM AUDIO (KING CAB)]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
FRONT TWEETER
Description
INFOID:0000000005274898
The audio unit sends audio signals to the tweeters using the audio signal circuits.
Diagnosis Procedure
INFOID:0000000005274899
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
M110
2
Yes
2
1
3
M112
2
4
1
A
—
Continuity
Connector
Terminal
M64
1
Ground
No
2
3
4
AWNIA0849ZZ
AV-50
< COMPONENT DIAGNOSIS >
[PREMIUM AUDIO (KING CAB)]
FRONT TWEETER
1.
Connect audio unit connector and suspect speaker connector.
2.
Turn ignition switch ACC.
3.
Push “POWER” switch.
4.
Check the signal between audio unit harness connector M64
terminals with CONSULT-III or oscilloscope.
Are the audio signal voltage readings as specified?
YES
>> Replace suspect speaker. Refer to
.
NO
>> Replace audio unit. Refer to
Connector
Terminals
Condition
Reference
signal
(+)
(-)
M64
2
1
Receive
audio sig-
nal
4
3
AWNIA1803ZZ
SKIA0177E
AV
REAR DOOR SPEAKER
AV-51
< COMPONENT DIAGNOSIS >
[PREMIUM AUDIO (KING CAB)]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
REAR DOOR SPEAKER
Description
INFOID:0000000005274900
The audio unit sends audio signals to the rear door speakers using the audio signal circuits.
Diagnosis Procedure
INFOID:0000000005274901
Regarding Wiring Diagram information, refer to
1.
SPEAKER HARNESS CHECK
1.
Disconnect audio unit connector M44 and the suspect speaker
connector.
2.
Check continuity between audio unit harness connector M44 (A)
and suspect speaker harness connector (B).
3.
Check continuity between audio unit harness connector M44 (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
M44
13
B75
2
Yes
14
1
15
B150
2
16
1
A
—
Continuity
Connector
Terminal
M44
13
Ground
No
14
15
16
AWNIA0851ZZ
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