Nissan Pathfinder (2008 year). Manual — part 63
AV-344
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITH NAVIGATION]
POWER SUPPLY AND GROUND CIRCUIT
Check voltage between microphone harness connector R8 terminal
4 and ground.
Is approximately 5V present?
YES
>> GO TO 3
NO
>> GO TO 2
2.
CHECK POWER SUPPLY CIRCUIT (CONTINUITY)
1.
Turn ignition switch OFF.
2.
Disconnect microphone and AV control unit harness connectors.
3.
Check continuity between microphone harness connector R8
(A) terminal 4 and AV control unit harness connector M46 (B)
terminal 73.
4.
Check continuity between microphone harness connector R8
(A) terminal 4 and ground.
Are the continuity test results as specified?
YES
>> Replace the AV control unit. Refer to
AV-423, "Removal and Installation"
.
NO
>> Repair harness or connector.
3.
CHECK GROUND CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect microphone harness connector R8 and AV control
unit harness connector M46.
3.
Check continuity between microphone harness connector R8
(A) terminal 2 and AV control unit harness connector M46 (B)
terminal 74.
Does continuity exist?
YES
>> Inspection End.
NO
>> Repair harness or connector.
Signal name
Connector
No.
Terminal No.
Ignition
switch posi-
tion
Value (Ap-
prox.)
MIC power
R8
4
ON
5V
WKIA5796E
A
B
Continuity
Connector
Terminal
Connector
Terminal
R8
4
M46
73
Yes
A
—
Continuity
Connector
Terminal
R8
4
Ground
No
ALNIA0548GB
A
B
Continuity
Connector
Terminal
Connector
Terminal
R8
2
M46
74
Yes
ALNIA0549GB
AV
RGB (R: RED) SIGNAL CIRCUIT
AV-345
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITH NAVIGATION]
C
D
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F
G
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B
A
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RGB (R: RED) SIGNAL CIRCUIT
Description
INFOID:0000000001450618
Transmit the image displayed with audio control unit with RGB signal to the display unit.
Diagnosis Procedure
INFOID:0000000001450619
1.
CHECK CONTINUITY RGB (R: RED) SIGNAL CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect display unit connector M93 and AV control unit con-
nector M43.
3.
Check continuity between display unit harness connector M93
(A) terminal 17 and AV control unit harness connector M43 (B)
terminal 21.
4.
Check continuity between display unit harness connector M93
(A) terminal 17 and ground.
Are the continuity results as specified?
YES
>> GO TO 2
NO
>> Repair harness or connector.
2.
CHECK RGB (R: RED) SIGNAL
1.
Connect display unit connector M93 and AV control unit connec-
tor M43.
2.
Turn ignition switch ON.
3.
Check signal between display unit harness connector M93 ter-
minal 17 and ground.
Are the voltage readings as specified?
YES
>> Replace display unit. Refer to
AV-424, "Removal and Installation"
NO
>> Replace AV control unit. Refer to
AV-423, "Removal and Installation"
.
A
B
Continuity
Connector
Terminal
Connector
Terminal
M93
17
M43
21
Yes
A
—
Continuity
Connector
Terminal
M93
17
Ground
No
ALNIA0409GB
(+)
(-)
Condition
Reference signal
Connector
Terminal
M93
17
Ground
Receive
audio sig-
nal
ALNIA0383GB
SKIB2238J
AV-346
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITH NAVIGATION]
RGB (G: GREEN) SIGNAL CIRCUIT
RGB (G: GREEN) SIGNAL CIRCUIT
Description
INFOID:0000000001450620
Transmit the image displayed with AV control unit with RGB signal to the display unit.
Diagnosis Procedure
INFOID:0000000001450621
1.
CHECK CONTINUITY RGB (G: GREEN) SIGNAL CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect display unit connector M93 and AV control unit con-
nector M43.
3.
Check continuity between display unit harness connector M93
(A) terminal 6 and AV control unit harness connector M43 (B)
terminal 22.
4.
Check continuity between display unit harness connector M93
(A) terminal 6 and ground.
Are the continuity results as specified?
YES
>> GO TO 2
NO
>> Repair harness or connector.
2.
CHECK RGB (G: GREEN) SIGNAL
1.
Connect display unit connector M93 and AV control unit connec-
tor M43.
2.
Turn ignition switch ON.
3.
Check signal between display unit harness connector M93 ter-
minal 6 and ground.
Are voltage readings as specified?
YES
>> Replace display unit. Refer to
AV-424, "Removal and Installation"
NO
>> Replace AV control unit. Refer to
AV-423, "Removal and Installation"
.
A
B
Continuity
Connector
Terminal
Connector
Terminal
M93
6
M43
22
Yes
A
—
Continuity
Connector
Terminal
M93
6
Ground
No
ALNIA0410GB
(+)
(-)
Condition
Reference signal
Connector
Terminal
M93
6
Ground
Receive
audio sig-
nal
ALNIA0385GB
SKIB2236J
AV
RGB (B: BLUE) SIGNAL CIRCUIT
AV-347
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITH NAVIGATION]
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B
A
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RGB (B: BLUE) SIGNAL CIRCUIT
Description
INFOID:0000000001450622
Transmit the image displayed with AV control unit with RGB signal to the display unit.
Diagnosis Procedure
INFOID:0000000001450623
1.
CHECK CONTINUITY RGB (B: BLUE) SIGNAL CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect display unit connector M93 and AV control unit con-
nector M43.
3.
Check continuity between display unit harness connector M93
(A) terminal 18 and AV control unit harness connector M43 (B)
terminal 23.
4.
Check continuity between display unit harness connector M93
(A) terminal 18 and ground.
Are continuity results as specified?
YES
>> GO TO 2
NO
>> Repair harness or connector.
2.
CHECK RGB (B: BLUE) SIGNAL
1.
Connect display unit connector M93 and AV control unit connec-
tor M43.
2.
Turn ignition switch ON.
3.
Check signal between display unit harness connector M93 ter-
minal 18 and ground.
Are voltage readings as specified?
YES
>> Replace display unit. Refer to
AV-424, "Removal and Installation"
NO
>> Replace AV control unit. Refer to
AV-423, "Removal and Installation"
.
A
B
Continuity
Connector
Terminal
Connector
Terminal
M93
18
M43
23
Yes
A
—
Continuity
Connector
Terminal
M93
18
Ground
No
ALNIA0411GB
(+)
(-)
Condition
Reference signal
Connector
Terminal
M93
18
Ground
Receive
audio sig-
nal
ALNIA0387GB
SKIB2237J
AV-348
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITH NAVIGATION]
RGB SYNCHRONIZING SIGNAL CIRCUIT
RGB SYNCHRONIZING SIGNAL CIRCUIT
Description
INFOID:0000000001450624
Transmit the RGB synchronizing signal to the display unit so as to synchronize the RGB image displayed with
AV control unit.
Diagnosis Procedure
INFOID:0000000001450625
1.
CHECK CONTINUITY RGB SYNCHRONIZING SIGNAL CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect display unit connector M93 and AV control unit con-
nector M43.
3.
Check continuity between display unit harness connector M93
(A) terminal 19 and AV control unit harness connector M43 (B)
terminal 25.
4.
Check continuity between display unit harness connector M93
(A) terminal 19 and ground.
Are continuity results as specified?
YES
>> GO TO 2
NO
>> Repair harness or connector.
2.
CHECK RGB SYNCHRONIZING SIGNAL
1.
Connect display unit connector M93 and AV control unit connec-
tor M43.
2.
Turn ignition switch ON.
3.
Check signal between display unit harness connector M93 ter-
minal 19 and ground.
Are voltage readings as specified?
YES
>> Replace display unit. Refer to
AV-424, "Removal and Installation"
NO
>> Replace AV control unit. Refer to
AV-423, "Removal and Installation"
.
A
B
Continuity
Connector
Terminal
Connector
Terminal
M93
19
M43
25
Yes
A
—
Continuity
Connector
Terminal
M93
19
Ground
No
ALNIA0412GB
(+)
(-)
Condition
Reference signal
Connector
Terminal
M93
19
Ground
Receive
audio sig-
nal
ALNIA0389GB
SKIB3603E
AV
RGB AREA (YS) SIGNAL CIRCUIT
AV-349
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITH NAVIGATION]
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B
A
O
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RGB AREA (YS) SIGNAL CIRCUIT
Description
INFOID:0000000001450626
Transmits the display area of RGB image displayed by AV control unit with RGB area (YS) signal to display
unit.
Diagnosis Procedure
INFOID:0000000001450627
1.
CHECK CONTINUITY RGB AREA (YS) SIGNAL CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect display unit connector M93 and AV control unit con-
nector M43.
3.
Check continuity between display unit harness connector M93
(A) terminal 9 and AV control unit harness connector M43 (B)
terminal 27.
4.
Check continuity between display unit harness connector M93
(A) terminal 9 and ground.
Are continuity results as specified?
YES
>> GO TO 2
NO
>> Repair harness or connector.
2.
CHECK RGB SYNCHRONIZING SIGNAL
1.
Connect display unit connector M93 and AV control unit connec-
tor M43.
2.
Turn ignition switch ON.
3.
Check signal between display unit harness connector M93 ter-
minal 9 and ground.
Are voltage readings as specified?
YES
>> Replace display unit. Refer to
AV-424, "Removal and Installation"
NO
>> Replace AV control unit. Refer to
AV-423, "Removal and Installation"
.
A
B
Continuity
Connector
Terminal
Connector
Terminal
M93
9
M43
27
Yes
A
—
Continuity
Connector
Terminal
M93
9
Ground
No
ALNIA0413GB
(+)
(-)
Condition
Reference signal
Connector
Terminal
M93
9
Ground
Receive
audio sig-
nal
ALNIA0391GB
PKIB4948J
AV-350
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITH NAVIGATION]
HORIZONTAL SYNCHRONIZING (HP) SIGNAL CIRCUIT
HORIZONTAL SYNCHRONIZING (HP) SIGNAL CIRCUIT
Description
INFOID:0000000001450628
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:0000000001450629
1.
CHECK CONTINUITY HORIZONTAL SYNCHRONIZING (HP) SIGNAL CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect display unit connector M93 and AV control unit con-
nector M43.
3.
Check continuity between display unit harness connector M93
(A) terminal 8 and AV control unit harness connector M43 (B)
terminal 28.
4.
Check continuity between display unit harness connector M93
(A) terminal 8 and ground.
Are continuity results as specified?
YES
>> GO TO 2
NO
>> Repair harness or connector.
2.
CHECK HORIZONTAL SYNCHRONIZING (HP) SIGNAL
1.
Connect display unit connector M93 and AV control unit connec-
tor M43.
2.
Turn ignition switch ON.
3.
Check signal between display unit harness connector M93 ter-
minal 8 and ground.
Are voltage readings as specified?
YES
>> Replace AV control unit. Refer to
AV-423, "Removal and Installation"
.
NO
>> Replace display unit. Refer to
AV-424, "Removal and Installation"
A
B
Continuity
Connector
Terminal
Connector
Terminal
M93
8
M43
28
Yes
A
—
Continuity
Connector
Terminal
M93
8
Ground
No
ALNIA0414GB
(+)
(-)
Condition
Reference signal
Connector
Terminal
M93
8
Ground
Receive
audio sig-
nal
ALNIA0396GB
SKIB3601E
AV
VERTICAL SYNCHRONIZING (VP) SIGNAL CIRCUIT
AV-351
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITH NAVIGATION]
C
D
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F
G
H
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K
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M
B
A
O
P
VERTICAL SYNCHRONIZING (VP) SIGNAL CIRCUIT
Description
INFOID:0000000001450630
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:0000000001450631
1.
CHECK CONTINUITY VERTICAL SINCHRONIZING (VP) SIGNAL CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect display unit connector M93 and AV control unit con-
nector M43.
3.
Check continuity between display unit harness connector M93
(A) terminal 20 and AV control unit harness connector M43 (B)
terminal 29.
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 SINCHRONIZING (VP) SIGNAL
1.
Connect display unit connector M93 and AV control unit connec-
tor M43.
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-423, "Removal and Installation"
.
NO
>> Replace display unit. Refer to
AV-424, "Removal and Installation"
A
B
Continuity
Connector
Terminal
Connector
Terminal
M93
20
M43
29
Yes
A
—
Continuity
Connector
Terminal
M93
20
Ground
No
ALNIA0415GB
(+)
(-)
Condition
Reference signal
Connector
Terminal
M93
20
Ground
Receive
audio sig-
nal
ALNIA0393GB
SKIB3598E
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