Nissan Pathfinder (2011 year). Instruction — part 32
AV
VERTICAL SYNCHRONIZING (VP) SIGNAL CIRCUIT
AV-75
< DTC/CIRCUIT DIAGNOSIS >
[MID AUDIO]
C
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B
A
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VERTICAL SYNCHRONIZING (VP) SIGNAL CIRCUIT
Description
INFOID:0000000006246496
In composite image (AUX image, camera image), transmit the vertical synchronizing (VP) signal and horizon-
tal synchronizing (HP) signal from display unit to AV control unit so as to synchronize the RGB images dis-
played with AV control unit such as the image quality adjusting menu, etc.
Diagnosis Procedure
INFOID:0000000006246497
Regarding Wiring Diagram information, refer to
1.
CHECK CONTINUITY VERTICAL SYNCHRONIZING (VP) SIGNAL CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect display unit connector M93 and AV control unit con-
nector M133.
3. Check continuity between display unit harness connector M93
(A) terminal 20 and AV control unit harness connector M133 (B)
terminal 57.
4. Check continuity between display unit harness connector M93
(A) terminal 20 and ground.
Are continuity results as specified?
YES
>> GO TO 2
NO
>> Repair harness or connector.
2.
CHECK VERTICAL SYNCHRONIZING (VP) SIGNAL
1. Connect display unit connector M93 and AV control unit connec-
tor M133.
2. Turn ignition switch ON.
3. Check signal between display unit harness connector M93 ter-
minal 20 and ground.
Are voltage readings as specified?
YES
>> Replace AV control unit. Refer to
AV-113, "Removal and Installation"
NO
>> Replace display unit. Refer to
AV-115, "Removal and Installation"
.
A
B
Continuity
Connector
Terminal
Connector
Terminal
M93
20
M133
57
Yes
A
—
Continuity
Connector
Terminal
M93
20
Ground
No
ALNIA0392GB
(+)
(-)
Condition
Reference signal
Connector
Terminal
M93
20
Ground
Receive
audio sig-
nal
ALNIA0393GB
SKIB3598E
2011 Pathfinder
AV-76
< DTC/CIRCUIT DIAGNOSIS >
[MID AUDIO]
FRONT DOOR SPEAKER
FRONT DOOR SPEAKER
Description
INFOID:0000000006246498
The AV control unit sends audio signals to the front door speakers using the front door speaker circuits.
Diagnosis Procedure
INFOID:0000000006246499
Regarding Wiring Diagram information, refer to
1.
CONNECTOR CHECK
Check the AV control unit and speaker connectors for the following:
• Proper connection
• Damage
• Disconnected or loose terminals
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair the terminal and connector.
2.
HARNESS CHECK
1. Disconnect AV control unit connector M131 and suspect
speaker connector.
2. Check continuity between AV control unit harness connector
M131 (A) terminal and suspect speaker harness connector (B)
terminal.
3. Check continuity between AV control unit harness connector
M131 (A) terminal and ground.
Are continuity results as specified?
YES
>> GO TO 3.
NO
>> • Check connector housings for disconnected or loose terminals.
• Repair harness or connector.
3.
FRONT SPEAKER SIGNAL CHECK
A
B
Continuity
Connector
Terminal
Connector
Terminal
M131
2
D12
1
Yes
3
2
11
D112
1
12
2
A
—
Continuity
Connector
Terminal
M131
2
Ground
No
3
11
12
AWNIA0031ZZ
2011 Pathfinder
AV
FRONT DOOR SPEAKER
AV-77
< DTC/CIRCUIT DIAGNOSIS >
[MID AUDIO]
C
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B
A
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1. Connect AV control unit connector M131 and front speaker con-
nector.
2. Turn ignition switch to ACC.
3. Push “POWER” switch.
4. Check the signal between AV control unit harness connector
M131 terminals with CONSULT-III or oscilloscope.
Is the audio signal voltage as specified?
YES
>> Replace speaker. Refer to
.
NO
>> Replace AV control unit. Refer to
(+)
(-)
Condi-
tion
Reference signal
Con-
nec-
tor
Termi-
nal
Termi-
nal
M131
2
3
Receive
audio
signal
11
12
AWNIA0032ZZ
SKIA0177E
2011 Pathfinder
AV-78
< DTC/CIRCUIT DIAGNOSIS >
[MID AUDIO]
FRONT TWEETER
FRONT TWEETER
Description
INFOID:0000000006246500
The AV control unit sends audio signals to the front tweeters using the front tweeter circuits.
Diagnosis Procedure
INFOID:0000000006246501
Regarding Wiring Diagram information, refer to
1.
CONNECTOR CHECK
Check the AV control unit and speaker connectors for the following:
• Proper connection
• Damage
• Disconnected or loose terminals
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair the terminal and connector.
2.
HARNESS CHECK
1. Disconnect AV control unit connector M131 and suspect front
tweeter connector.
2. Check continuity between AV control unit harness connector
M131 (A) and suspect front tweeter harness connector (B).
3. Check continuity between AV control unit harness connector
M131 (A) and ground.
Are the continuity results as specified?
YES
>> GO TO 3.
NO
>> • Check connector housings for disconnected or loose terminals.
• Repair harness or connector.
3.
FRONT TWEETER SIGNAL CHECK
A
B
Continuity
Connector
Terminal
Connector
Terminal
M131
2
M109
1
Yes
3
2
11
M111
1
12
2
A
—
Continuity
Connector
Terminal
M131
2
Ground
No
3
11
12
AWNIA0031ZZ
2011 Pathfinder
AV
FRONT TWEETER
AV-79
< DTC/CIRCUIT DIAGNOSIS >
[MID AUDIO]
C
D
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F
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B
A
O
P
1. Connect AV control unit connector M131 and front tweeter con-
nector.
2. Turn ignition switch to ACC.
3. Push “POWER” switch.
4. Check the signal between AV control unit harness connector
M131 terminals with CONSULT-III or oscilloscope.
Is the audio signal voltage as specified?
YES
>> Replace the suspect front tweeter. Refer to
.
NO
>> Replace AV control unit. Refer to
(+)
(-)
Condi-
tion
Reference signal
Connector
Terminal
Terminal
M131
2
3
Receive
audio
signal
11
12
AWNIA0032ZZ
SKIA0177E
2011 Pathfinder
AV-80
< DTC/CIRCUIT DIAGNOSIS >
[MID AUDIO]
REAR DOOR SPEAKER
REAR DOOR SPEAKER
Description
INFOID:0000000006246502
The AV control unit sends audio signals to the rear speakers using the rear speaker circuits.
Diagnosis Procedure
INFOID:0000000006246503
Regarding Wiring Diagram information, refer to
1.
CONNECTOR CHECK
Check the AV control unit and speaker connectors for the following:
• Proper connection
• Damage
• Disconnected or loose terminals
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair the terminal and connector.
2.
HARNESS CHECK
1. Disconnect AV control unit connector M131 and suspect rear
speaker connector.
2. Check continuity between AV control unit harness connector
M131 (A) and suspect rear speaker harness connector (B).
3. Check continuity between AV control unit harness connector
M131 (A) and ground.
Are the continuity results as specified?
YES
>> GO TO 3.
NO
>> • Check connector housings for disconnected or loose terminals.
• Repair harness or connector.
3.
REAR SPEAKER SIGNAL CHECK
A B
Continuity
Connector
Terminal
Connector
Terminal
M131
4
D209
1
Yes
5
2
13
D309
1
14
2
A
—
Continuity
Connector
Terminal
M131
4
Ground
No
5
13
14
AWNIA0033ZZ
2011 Pathfinder
AV
REAR DOOR SPEAKER
AV-81
< DTC/CIRCUIT DIAGNOSIS >
[MID AUDIO]
C
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B
A
O
P
1. Connect AV control unit connector and rear speaker connector.
2. Turn ignition switch to ACC.
3. Push “POWER” switch.
4. Check the signal between AV control unit harness connector
M131 terminals with CONSULT-III or oscilloscope.
Is the audio signal voltage as specified?
YES
>> Replace the suspect rear door speaker. Refer to
.
NO
>> Replace AV control unit. Refer to
(+)
(-)
Condition
Reference
signal
Connector
Terminal
Terminal
M131
4
5
Receive
audio sig-
nal
13
14
AWNIA0034ZZ
SKIA0177E
2011 Pathfinder
AV-82
< DTC/CIRCUIT DIAGNOSIS >
[MID AUDIO]
STEERING SWITCH
STEERING SWITCH
Description
INFOID:0000000006246504
When one of the steering wheel AV control switches is pushed, the resistance in the steering wheel AV control
switch circuit changes depending on which button is pushed.
Diagnosis Procedure
INFOID:0000000006246505
Regarding Wiring Diagram information, refer to
1.
CHECK STEERING WHEEL AUDIO CONTROL SWITCH RESISTANCE
1. Disconnect steering wheel audio control switch connector M102.
2. Check resistance between steering switch connector terminals.
Do the steering wheel audio control switches check OK?
YES
>> GO TO 2
NO
>> Replace steering wheel audio control switch. Refer to
AV-119, "Removal and Installation"
.
2.
CHECK HARNESS
1. Turn ignition switch OFF.
2. Disconnect AV control unit connector M131 and spiral cable
connector M30.
3. Check continuity between AV control unit harness connector
M131 (A) and spiral cable harness connector M30 (B).
4. Check continuity between AV control unit connector 1312 (A) and ground.
Are the continuity results as specified?
YES
>> GO TO 3
Terminal
Signal name
Condition
Resistance
(
Ω
)
(Approx.)
16
17
Seek (down)
Depress
switch.
165
Volume (down)
Depress VOL down switch.
652
Power
Depress PWR switch.
0
20
17
Seek (up)
Depress
switch.
165
Volume (up)
Depress VOL up switch.
652
Mode
Depress MODE switch.
0
WKIA4457E
A
B
Continuity
Connector
Terminal
Connector
Terminal
M131
6
M30
24
Yes
15
31
16
32
A
—
Continuity
Connector
Terminal
M131
6
Ground
No
15
16
ALNIA0332GB
2011 Pathfinder
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