Nissan Pathfinder (2008 year). Manual — part 29
AV-72
< COMPONENT DIAGNOSIS >
[MID AUDIO]
POWER SUPPLY AND GROUND CIRCUIT
3.
Check continuity between rear view camera harness connector
D551 terminal 2 and ground.
Does continuity exist?
YES
>> Inspection End.
NO
>> Repair harness or connector.
DVD PLAYER
DVD PLAYER : Diagnosis Procedure
INFOID:0000000001450800
1.
CHECK FUSE
Check that the following fuses of the DVD player are not blown.
Is the fuse OK?
YES
>> GO TO 2
NO
>> If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse.
2.
POWER SUPPLY CIRCUIT CHECK
1.
Disconnect DVD player connector M205.
2.
Check voltage between the DVD player connector M205 and
ground.
Are the voltage results as specified?
YES
>> GO TO 3
NO
>> • Check connector housings for disconnected or loose terminals.
• Repair harness or connector.
3.
GROUND CIRCUIT CHECK
1.
Turn ignition switch OFF.
2.
Check continuity between DVD player harness connector M205
terminal 5 and ground.
Are the continuity results as specified?
YES
>> Inspection End.
NO
>> Repair DVD player ground.
VIDEO MONITOR
Connector
Terminal
—
Continuity
D551
2
Ground
Yes
ALLIA0248ZZ
Unit
Terminal
Signal name
Fuse No.
DVD player
21
Battery power
29
24
Ignition switch ACC or ON
4
(+)
(-)
OFF
ACC
ON
Connector
Terminal
M205
21
Ground
Battery
voltage
Battery
voltage
Battery
voltage
24
0V
Battery
voltage
Battery
voltage
ALNIA0325GB
Connector
Terminal
—
Continuity
M205
5
Ground
Yes
ALNIA0326GB
AV
POWER SUPPLY AND GROUND CIRCUIT
AV-73
< COMPONENT DIAGNOSIS >
[MID AUDIO]
C
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B
A
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VIDEO MONITOR : Diagnosis Procedure
INFOID:0000000001450801
1.
CHECK POWER SUPPLY CIRCUIT
1.
Turn ignition switch to ACC.
2.
Check voltage between video monitor harness connector B76
and ground.
Does specified voltage exist?
YES
>> GO TO 3
NO
>> GO TO 2
2.
CHECK POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect the video monitor connector B76 and the DVD
player connector M205.
3.
Check continuity between the video monitor harness connector
B76 (A) and the DVD player connector M205 (B).
4.
Check continuity between video monitor harness connector B76
(A) and ground.
Are continuity test results as specified?
YES
>> Check DVD player power and ground supply. Refer to
AV-66, "AV CONTROL UNIT : Diagnosis
.
NO
>> Repair harness or connector.
3.
CHECK GROUND CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect video monitor connector.
3.
Check continuity between video monitor harness connector B76
and ground.
Does continuity exist?
YES
>> INSPECTION END.
NO
>> Repair harness or connector.
Signal name
Connector No.
Terminal No.
Ignition switch
position
Value (Ap-
prox.)
Display B+
B76
16
ACC
12V
ALNIA0516GB
A
B
Continuity
Connector
Terminal
Connector
Terminal
B76
16
M205
9
Yes
A
—
Continuity
Connector
Terminal
B76
16
Ground
No
ALNIA0517GB
Connector No.
Terminal No.
—
Continuity
B76
12
Ground
Yes
15
ALNIA0518GB
AV-74
< COMPONENT DIAGNOSIS >
[MID AUDIO]
RGB (R: RED) SIGNAL CIRCUIT
RGB (R: RED) SIGNAL CIRCUIT
Description
INFOID:0000000001450802
Transmit the image displayed with AV control unit with RGB signal to the display unit.
Diagnosis Procedure
INFOID:0000000001450803
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 M45.
3.
Check continuity between display unit harness connector M93
(A) terminal 17 and AV control unit harness connector M45 (B)
terminal 40.
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 M45.
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-136, "Removal and Installation"
NO
>> Replace AV control unit. Refer to
AV-134, "Removal and Installation"
.
A
B
Continuity
Connector
Terminal
Connector
Terminal
M93
17
M45
40
Yes
A
—
Continuity
Connector
Terminal
M93
17
Ground
No
ALNIA0382GB
(+)
(-)
Condition
Reference signal
Connector
Terminal
M93
17
Ground
Receive
audio sig-
nal
ALNIA0383GB
SKIB2238J
AV
RGB (G: GREEN) SIGNAL CIRCUIT
AV-75
< COMPONENT DIAGNOSIS >
[MID AUDIO]
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RGB (G: GREEN) SIGNAL CIRCUIT
Description
INFOID:0000000001450804
Transmit the image displayed with AV control unit with RGB signal to the display unit.
Diagnosis Procedure
INFOID:0000000001450805
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 M45.
3.
Check continuity between display unit harness connector M93
(A) terminal 6 and AV control unit harness connector M45 (B)
terminal 39.
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 M45.
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-136, "Removal and Installation"
NO
>> Replace AV control unit. Refer to
AV-134, "Removal and Installation"
.
A
B
Continuity
Connector
Terminal
Connector
Terminal
M93
6
M45
39
Yes
A
—
Continuity
Connector
Terminal
M93
6
Ground
No
ALNIA0384GB
(+)
(-)
Condition
Reference signal
Connector
Terminal
M93
6
Ground
Receive
audio sig-
nal
ALNIA0385GB
SKIB2236J
AV-76
< COMPONENT DIAGNOSIS >
[MID AUDIO]
RGB (B: BLUE) SIGNAL CIRCUIT
RGB (B: BLUE) SIGNAL CIRCUIT
Description
INFOID:0000000001450806
Transmit the image displayed with AV control unit with RGB signal to the display unit.
Diagnosis Procedure
INFOID:0000000001450807
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 M45.
3.
Check continuity between display unit harness connector M93
(A) terminal 18 and AV control unit harness connector M45 (B)
terminal 38.
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 M45.
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-136, "Removal and Installation"
NO
>> Replace AV control unit. Refer to
AV-134, "Removal and Installation"
.
A
B
Continuity
Connector
Terminal
Connector
Terminal
M93
18
M45
38
Yes
A
—
Continuity
Connector
Terminal
M93
18
Ground
No
ALNIA0386GB
(+)
(-)
Condition
Reference signal
Connector
Terminal
M93
18
Ground
Receive
audio sig-
nal
ALNIA0387GB
SKIB2237J
AV
RGB SYNCHRONIZING SIGNAL CIRCUIT
AV-77
< COMPONENT DIAGNOSIS >
[MID AUDIO]
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A
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RGB SYNCHRONIZING SIGNAL CIRCUIT
Description
INFOID:0000000001450808
Transmit the RGB synchronizing signal to the display unit so as to synchronize the RGB image displayed with
AV control unit.
Diagnosis Procedure
INFOID:0000000001450809
1.
CHECK CONTINUITY RGB SYNCHRONIZING SIGNAL CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect display unit connector M93 and AV control unit con-
nector M45.
3.
Check continuity between display unit harness connector M93
(A) terminal 19 and AV control unit harness connector M45 (B)
terminal 41.
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 M45.
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-136, "Removal and Installation"
NO
>> Replace AV control unit. Refer to
AV-134, "Removal and Installation"
.
A
B
Continuity
Connector
Terminal
Connector
Terminal
M93
19
M45
41
Yes
A
—
Continuity
Connector
Terminal
M93
19
Ground
No
ALNIA0388GB
(+)
(-)
Condition
Reference signal
Connector
Terminal
M93
19
Ground
Receive
audio sig-
nal
ALNIA0389GB
SKIB3603E
AV-78
< COMPONENT DIAGNOSIS >
[MID AUDIO]
RGB AREA (YS) SIGNAL CIRCUIT
RGB AREA (YS) SIGNAL CIRCUIT
Description
INFOID:0000000001450810
Transmits the display area of RGB image displayed by AV control unit with RGB area (YS) signal to display
unit.
Diagnosis Procedure
INFOID:0000000001450811
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 M45.
3.
Check continuity between display unit harness connector M93
(A) terminal 9 and AV control unit harness connector M45 (B)
terminal 43.
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 M45.
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-136, "Removal and Installation"
NO
>> Replace AV control unit. Refer to
AV-134, "Removal and Installation"
.
A
B
Continuity
Connector
Terminal
Connector
Terminal
M93
9
M45
43
Yes
A
—
Continuity
Connector
Terminal
M93
9
Ground
No
ALNIA0390GB
(+)
(-)
Condition
Reference signal
Connector
Terminal
M93
9
Ground
Receive
audio sig-
nal
ALNIA0391GB
PKIB4948J
AV
HORIZONTAL SYNCHRONIZING (HP) SIGNAL CIRCUIT
AV-79
< COMPONENT DIAGNOSIS >
[MID AUDIO]
C
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G
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B
A
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HORIZONTAL SYNCHRONIZING (HP) SIGNAL CIRCUIT
Description
INFOID:0000000001450812
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:0000000001450813
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 M45.
3.
Check continuity between display unit harness connector M93
(A) terminal 8 and AV control unit harness connector M45 (B)
terminal 45.
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 M45.
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-134, "Removal and Installation"
.
NO
>> Replace display unit. Refer to
AV-136, "Removal and Installation"
A
B
Continuity
Connector
Terminal
Connector
Terminal
M93
8
M45
45
Yes
A
—
Continuity
Connector
Terminal
M93
8
Ground
No
ALNIA0394GB
(+)
(-)
Condition
Reference signal
Connector
Terminal
M93
8
Ground
Receive
audio sig-
nal
ALNIA0396GB
SKIB3601E
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