Nissan Pathfinder (2005 year). Instruction — part 71
AUDIO
AV-43
C
D
E
F
G
H
I
J
L
M
A
B
AV
2005 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
AV-44
AUDIO
2005 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
AUDIO
AV-45
C
D
E
F
G
H
I
J
L
M
A
B
AV
2005 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
and Installation of Bose Speaker Amp."
.
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
AV-46
AUDIO
2005 Pathfinder
Sound Is Not Heard From Rear Door Speaker or Rear Door Tweeter (BOSE Sys-
tem)
EKS009UH
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
AUDIO
AV-47
C
D
E
F
G
H
I
J
L
M
A
B
AV
2005 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
AV-48
AUDIO
2005 Pathfinder
3.
HARNESS CHECK
1.
Disconnect audio unit connector M44 and BOSE speaker amp. connector B75.
2.
Check continuity between audio unit harness connector M44 ter-
minals and BOSE speaker amp. harness connector B75 termi-
nals.
3.
Check continuity between audio unit harness connector terminal
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
M44
13
B75
25
Yes
14
26
15
23
16
24
Terminals
Continuity
Audio unit
—
Connector
Terminal
M44
13
Ground
No
14
15
16
SKIA4315E
AUDIO
AV-49
C
D
E
F
G
H
I
J
L
M
A
B
AV
2005 Pathfinder
4.
REAR SPEAKER SIGNAL CHECK
1.
Connect audio unit connector M44 and BOSE speaker amp. connector B75.
2.
Turn ignition switch to ACC.
3.
Push “POWER” switch.
4.
Check the signal between audio unit harness connector M44
terminals with CONSULT-II or oscilloscope.
OK or NG
OK
>> Replace BOSE speaker amp. Refer to
and Installation of Bose Speaker Amp."
.
NG
>> Replace audio unit. Refer to
.
Sound Is Not Heard From Subwoofer (BOSE System)
EKS009UJ
1.
CHECK FUSE
Check that the following fuse is not blown.
OK or NG
OK
>> GO TO 2.
NG
>> If fuse is blown, be sure to eliminate cause of problem before installing new fuse. Refer to
"POWER SUPPLY ROUTING CIRCUIT"
.
2.
POWER SUPPLY CIRCUIT CHECK
1.
Disconnect subwoofer connector.
2.
Check voltage between the subwoofer and ground.
OK or NG
OK
>> GO TO 3.
NG
>>
●
Check connector housings for disconnected or loose
terminals.
●
Repair harness or connector.
Terminals
Condi-
tion
Reference
signal
(+)
(-)
Con-
nector
Terminal
Con-
nector
Terminal
M44
14
M44
13
Receive
audio
signal
16
15
SKIA4316E
SKIA0177E
Unit
Terminal
Signal name
Fuse No.
Subwoofer
6
Battery power
17
Unit
Terminal No.
OFF
ACC
ON
(+)
(-)
Connector
Terminal
Sub-
woofer
B72
6
Ground
Battery
voltage
Battery
voltage
Battery
voltage
WKIA3236E
AV-50
AUDIO
2005 Pathfinder
3.
GROUND CIRCUIT CHECK
Check continuity between subwoofer harness connector B72 termi-
nal 5 and ground.
OK or NG
OK
>> GO TO 4.
NG
>>
●
Check connector housings for disconnected or loose
terminals.
●
Repair harness or connector.
4.
HARNESS CHECK
1.
Disconnect BOSE speaker amp. connector B75 and subwoofer connector B72.
2.
Check continuity between BOSE speaker amp. harness connec-
tor terminal and subwoofer harness connector terminal.
3.
Check continuity between BOSE speaker amp. harness connec-
tor terminal and ground.
OK or NG
OK
>> GO TO 5.
NG
>>
●
Check connector housings for disconnected or loose terminals.
●
Repair harness or connector.
5.
CHECK SUBWOOFER AMP. ON SIGNAL
1.
Operate system and check voltage between subwoofer harness
connector B72 terminal 4 and ground.
OK or NG
OK
>> GO TO 6.
NG
>> Replace BOSE speaker amp. Refer to
and Installation of Bose Speaker Amp."
.
Continuity should exist.
WKIA3237E
Terminals
Continuity
BOSE speaker amp.
Subwoofer
Connector
Terminal
Connector
Terminal
B75
5
B72
1
Yes
21
2
22
4
Terminals
Continuity
BOSE speaker amp.
—
Connector
Terminal
B75
5
Ground
No
21
22
WKIA3239E
Voltage
: More than approx. 6.5V
WKIA3238E
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