Nissan Titan A60. Manual — part 74
AV
REAR DOOR SPEAKER
AV-121
< DTC/CIRCUIT DIAGNOSIS >
[PREMIUM WITHOUT NAVIGATION]
C
D
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B
A
O
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REAR DOOR SPEAKER
Description
INFOID:0000000006166512
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:0000000006166513
Regarding Wiring Diagram information, refer to
AV-151, "Wiring Diagram - Without Navigation System"
1.
SPEAKER HARNESS CHECK
1. Disconnect audio amp. connectors M113 and suspect speaker
connector.
2. Check continuity between audio amp. harness connectors M113
(A) and suspect speaker harness connector (B).
3. Check continuity between audio amp. harness connectors M113
(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
M113
11
D207 (crew cab)
B76 (king cab)
1
Yes
27
2
12
D307 (crew cab)
B159 (king cab)
1
28
2
Connector
Terminal
-
Continuity
M113
11
Ground
No
27
12
28
ALNIA0726GB
AV-122
< DTC/CIRCUIT DIAGNOSIS >
[PREMIUM WITHOUT NAVIGATION]
REAR DOOR SPEAKER
1. Connect audio amp. connectors and suspect speaker connec-
tor.
2. Turn ignition switch to ACC.
3. Push “POWER” switch.
4. Check the signal between audio amp. harness connectors M113
terminals with CONSULT-III or oscilloscope.
Are audio signal voltage readings as specified?
YES
>> Replace suspect speaker. Refer to
.
NO
>> GO TO 3.
3.
PRE-AMP HARNESS CHECK
1. Disconnect audio unit connector M172 and audio amp. connec-
tor M113.
2. Check continuity between audio unit harness connector M172
(A) and audio amp. harness connector M113 (B).
3. Check continuity between audio unit harness connector M172
(A) and ground.
Are the 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
Connector
Terminals
Condition
Reference
signal
(+)
(-)
M113
11
27
Receive
audio sig-
nal
12
28
ALNIA0727GB
SKIA0177E
A
B
Continuity
Connector
Terminal
Connector
Terminal
M172
13
M113
8
Yes
14
24
15
7
16
23
A
—
Continuity
Connector
Terminal
M172
13
Ground
No
14
15
16
ALNIA0729GB
AV
REAR DOOR SPEAKER
AV-123
< DTC/CIRCUIT DIAGNOSIS >
[PREMIUM WITHOUT NAVIGATION]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
1. Connect audio unit connector M172 and audio amp. connector
M113.
2. Turn ignition switch to ACC.
3. Push “POWER” switch.
4. Check the signal between audio unit harness connector M172
terminals with CONSULT-III or oscilloscope.
Is the audio signal voltage reading as specified?
YES
>> Replace audio amp. Refer to
NO
>> Replace audio unit. Refer to
Connector
Terminals
Condition
Reference
signal
(+)
(-)
M172
14
13
Receive
audio sig-
nal
16
15
AWNIA1616ZZ
SKIA0177E
AV-124
< DTC/CIRCUIT DIAGNOSIS >
[PREMIUM WITHOUT NAVIGATION]
REAR DOOR TWEETER
REAR DOOR TWEETER
Description
INFOID:0000000006166514
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 tweeters using the audio signal circuits.
Diagnosis Procedure
INFOID:0000000006166515
Regarding Wiring Diagram information, refer to
AV-151, "Wiring Diagram - Without Navigation System"
1.
TWEETER HARNESS CHECK
1. Disconnect audio amp. connectors M113 and suspect tweeter
connector.
2. Check continuity between audio amp. harness connectors M113
(A) and suspect tweeter harness connector (B).
3. Check continuity between audio amp. harness connectors M113
(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.
TWEETER SIGNAL CHECK
A
B
Continuity
Connector
Terminal
Connector
Terminal
M113
11
D208
1
Yes
27
2
12
D308
1
28
2
A
-
Continuity
Connector
Terminal
M113
11
Ground
No
27
12
28
ALNIA0726GB
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