Nissan Titan A60. Manual — part 57
AV
FRONT DOOR SPEAKER
AV-53
< DTC/CIRCUIT DIAGNOSIS >
[MID AUDIO]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
1. Connect audio unit connector M165 and suspect speaker con-
nector.
2. Turn ignition switch to ACC.
3. Push “POWER” switch.
4. Check the signal between audio unit harness connector M165
terminals with CONSULT-III or oscilloscope.
Is audio signal voltage as specified?
YES
>> Replace suspect speaker. Refer to
.
NO
>> Replace the audio unit. Refer to
Connec-
tor
Terminal
Condition
Reference
signal
(+)
(-)
M165
2
1
Receive
audio sig-
nal
4
3
AWNIA1615ZZ
SKIA0177E
AV-54
< DTC/CIRCUIT DIAGNOSIS >
[MID AUDIO]
FRONT TWEETER
FRONT TWEETER
Description
INFOID:0000000006166468
The audio unit sends audio signals to the front tweeters using the audio signal circuits.
Diagnosis Procedure
INFOID:0000000006166469
Regarding Wiring Diagram information, refer to
1.
HARNESS CHECK
1. Disconnect audio unit connector M165 and suspect tweeter con-
nector.
2. Check continuity between audio unit harness connector M165
(A) and suspect tweeter harness connector (B).
3. Check continuity between audio unit harness connector M165
(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
M165
1
M109
2
Yes
2
1
3
M111
2
4
1
A
—
Continuity
Connector
Terminal
M165
1
Ground
No
2
3
4
ALNIA0702GB
AV
FRONT TWEETER
AV-55
< DTC/CIRCUIT DIAGNOSIS >
[MID AUDIO]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
1. Connect audio unit connector M165 and suspect tweeter con-
nector.
2. Turn ignition switch to ACC.
3. Push “POWER” switch.
4. Check the signal between audio unit harness connector M165
terminals with CONSULT-III or oscilloscope.
Is audio signal voltage as specified?
YES
>> Replace suspect tweeter. Refer to
NO
>> Replace the audio unit. Refer to
Connec-
tor
Terminal
Condition
Reference
signal
(+)
(-)
M165
2
1
Receive
audio sig-
nal
4
3
AWNIA1615ZZ
SKIA0177E
AV-56
< DTC/CIRCUIT DIAGNOSIS >
[MID AUDIO]
REAR DOOR SPEAKER
REAR DOOR SPEAKER
Description
INFOID:0000000006166470
The audio unit sends audio signals to the rear door speakers using the audio signal circuits.
Diagnosis Procedure
INFOID:0000000006166471
Regarding Wiring Diagram information, refer to
1.
HARNESS CHECK
1. Disconnect audio unit connector M166 and suspect speaker
connector.
2. Check continuity between audio unit harness connectors M166
(A) and suspect speaker harness connector (B).
3. Check continuity between audio unit harness connectors M166
(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.
REAR DOOR SPEAKER SIGNAL CHECK
A
B
Continuity
Connector
Terminal
Connector
Terminal
M166
13
D207 (crew cab)
B76 (king cab)
2
Yes
14
1
15
D307 (crew cab)
B159 (king cab)
2
16
1
Connector
Terminal
-
Continuity
M166
13
Ground
No
14
15
16
ALNIA0704GB
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