Nissan Pathfinder (2007 year). Manual — part 72
AUDIO
AV-49
C
D
E
F
G
H
I
J
L
M
A
B
AV
2007 Pathfinder
Sound Is Not Heard From Rear Door Speaker (Base and Mid Level System)
EKS00G5S
1.
HARNESS CHECK
1.
Disconnect audio unit connector M44 and suspect speaker connector.
2.
Check continuity between audio unit harness connector M44 ter-
minal and suspect speaker harness connector terminal.
3.
Check continuity between audio unit harness connector M44 ter-
minal and ground.
OK or NG
OK
>> GO TO 2.
NG
>>
●
Check connector housings for disconnected or loose terminals.
●
Repair harness or connector.
Terminals
Continuity
Audio unit
Speaker or tweeter
Connector
Terminal
Connector
Terminal
M44
13
D207
-
Yes
14
+
15
D307
-
16
+
Terminals
Continuity
Audio unit
—
Connector
Terminal
M44
13
Ground
No
14
15
16
WKIA3371E
AV-50
AUDIO
2007 Pathfinder
2.
REAR SPEAKER SIGNAL CHECK
1.
Connect audio unit connector and rear speaker connector.
2.
Turn ignition switch to ACC.
3.
Push “POWER” switch.
4.
Check the signal between audio unit harness connector termi-
nals with CONSULT-II or oscilloscope.
OK or NG
OK
>> Replace rear door speaker. Refer to
.
NG
>> Replace audio unit. Refer to
.
Terminals
Condi-
tion
Reference
signal
(+)
(-)
Con-
nector
Termi-
nal
Con-
nector
Terminal
M44
14
M44
13
Receive
audio
signal
16
15
SKIA4281E
SKIA0177E
AUDIO
AV-51
C
D
E
F
G
H
I
J
L
M
A
B
AV
2007 Pathfinder
Sound Is Not Heard From Front Door Speaker or Front Tweeter (BOSE System)
EKS00G5T
1.
HARNESS CHECK
1.
Disconnect BOSE speaker amp. connector B75 and suspect speaker connector.
2.
Check continuity between BOSE speaker amp. harness connec-
tor terminal B75 and suspect speaker harness connector termi-
nal.
3.
Check continuity between BOSE speaker amp. harness connec-
tor terminal B75 and ground.
OK or NG
OK
>> GO TO 2.
NG
>>
●
Check connector housings for disconnected or loose terminals.
●
Repair harness or connector.
Terminals
Continuity
BOSE speaker amp.
Speaker or tweeter
Connector
Terminal
Connector
Terminal
B75
13
D12
+
Yes
14
-
15
D112
+
16
-
13
M109
+
14
-
15
M111
+
16
-
Terminals
Continuity
BOSE speaker amp.
—
Connector
Terminal
B75
13
Ground
No
14
15
16
WKIA2018E
AV-52
AUDIO
2007 Pathfinder
2.
FRONT SPEAKER SIGNAL CHECK
1.
Connect BOSE speaker amp. connector B75 and suspect speaker connector.
2.
Turn ignition switch to ACC.
3.
Push “POWER” switch.
4.
Check the signal between BOSE speaker amp. harness connec-
tor B75 terminals with CONSULT-II or oscilloscope.
OK or NG
OK
>> Replace suspect speaker. Refer to
.
NG
>> GO TO 3.
Terminals
Condi-
tion
Reference
signal
(+)
(-)
Con-
nector
Terminal
Con-
nector
Termi-
nal
B75
13
B75
14
Receive
audio
signal
15
16
SKIA4283E
SKIA0177E
AUDIO
AV-53
C
D
E
F
G
H
I
J
L
M
A
B
AV
2007 Pathfinder
3.
HARNESS CHECK
1.
Disconnect audio unit connector M43 and BOSE speaker amp. connector B75.
2.
Check continuity between audio unit harness connector termi-
nals and BOSE speaker amp. harness connector terminals.
3.
Check continuity between audio unit harness connector termi-
nals and ground.
OK or NG
OK
>> GO TO 4.
NG
>>
●
Check connector housings for disconnected or loose terminals.
●
Repair harness or connector.
Terminals
Continuity
Audio unit
BOSE speaker amp.
Connector
Terminal
Connector
Terminal
M43
1
B75
29
Yes
2
30
3
27
4
28
Terminals
Continuity
Audio unit
—
Connector
Terminal
M43
1
Ground
No
2
3
4
SKIA4284E
AV-54
AUDIO
2007 Pathfinder
4.
FRONT SPEAKER SIGNAL CHECK
1.
Connect audio unit connector and BOSE speaker amp. connector.
2.
Turn ignition switch to ACC.
3.
Push “POWER” switch.
4.
Check the signal between audio unit harness connector termi-
nals with CONSULT-II or oscilloscope.
OK or NG
OK
>> Replace BOSE speaker amp. Refer to
NG
>> Replace audio unit. Refer to
.
Terminals
Condi-
tion
Reference
signal
(+)
(-)
Con-
nector
Termi-
nal
Con-
nector
Termi-
nal
M43
2
M43
1
Receive
audio
signal
4
3
SKIA4278E
SKIA0177E
AUDIO
AV-55
C
D
E
F
G
H
I
J
L
M
A
B
AV
2007 Pathfinder
Sound Is Not Heard From Rear Door Speaker or Rear Door Tweeter (BOSE Sys-
tem)
EKS00G5U
1.
HARNESS CHECK
1.
Disconnect BOSE speaker amp. connector B75 and suspect speaker connector.
2.
Check continuity between BOSE speaker amp. harness connec-
tor terminal B75 and suspect speaker harness connector termi-
nal.
3.
Check continuity between BOSE speaker amp. harness connec-
tor B75 terminal and ground.
OK or NG
OK
>> GO TO 2.
NG
>>
●
Check connector housings for disconnected or loose terminals.
●
Repair harness or connector.
Terminals
Continuity
BOSE speaker amp.
Speaker or tweeter
Connector
Terminal
Connector
Terminal
B75
9
D207
+
Yes
10
-
11
D307
+
12
-
9
D208
+
10
-
11
D308
+
12
-
Terminals
Continuity
BOSE speaker amp.
—
Connector
Terminal
B75
9
Ground
No
10
11
12
WKIA1635E
AV-56
AUDIO
2007 Pathfinder
2.
REAR SPEAKER SIGNAL CHECK
1.
Connect BOSE speaker amp. connector B75 and suspect speaker connector.
2.
Turn ignition switch to ACC.
3.
Push “POWER” switch.
4.
Check the signal between BOSE speaker amp. harness connec-
tor B75 terminals with CONSULT-II or oscilloscope.
OK or NG
OK
>> Replace suspect speaker. Refer to
.
NG
>> GO TO 3.
Terminals
Condi-
tion
Reference
signal
(+)
(-)
Con-
nec-
tor
Terminal
Con-
nec-
tor
Terminal
B75
9
B75
10
Receive
audio
signal
11
12
SKIA4314E
SKIA0177E
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