Nissan Pathfinder (2010 year). Instruction — part 74
AV
REAR TWEETER
AV-399
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITH NAVIGATION]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
1. Connect AV control unit connector M39 and BOSE speaker
amp. connector B75.
2. Turn ignition switch to ACC.
3. Push “POWER” switch.
4. Check the signal between AV control unit harness connector
M39 terminals with CONSULT-III or oscilloscope.
Is the audio signal voltage reading as specified?
YES
>> Replace BOSE speaker amp. Refer to
.
NO
>> Replace AV control unit. Refer to
Connector
Terminals
Condition
Reference
signal
(+)
(-)
M39
4
5
Receive
audio sig-
nal
13
14
AWNIA0034ZZ
SKIA0177E
2010 Pathfinder
2010 Pathfinder
AV-400
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITH NAVIGATION]
SUBWOOFER
SUBWOOFER
Description
INFOID:0000000005259607
The AV control unit sends audio signals to the BOSE speaker amp. The BOSE speaker amp. amplifies the
audio signals before sending them to the subwoofer using the audio signal circuits.
Diagnosis Procedure
INFOID:0000000005259608
Regarding Wiring Diagram information, refer to
.
1.
VERIFY SUBWOOFER POWER AND GROUND SUPPLY
Check power and ground supply to the subwoofer. Refer to
AV-197, "SUBWOOFER : Diagnosis Procedure"
Did the power and ground supply check OK?
YES
>> GO TO 2
NO
>> • Check connector housings for disconnected or loose terminals.
• Repair harness or connector.
2.
HARNESS CHECK
1. Disconnect BOSE speaker amp. connectors and subwoofer
connector.
2. Check continuity between BOSE speaker amp. harness connec-
tors B74 (A) and B75 (B) and subwoofer harness connector B72
(C).
3. Check continuity between BOSE speaker amp. harness connec-
tor B74 (A) and B75 (B) and ground.
Are the continuity test results as specified?
YES
>> GO TO 3
NO
>> • Check connector housings for disconnected or loose
terminals.
• Repair harness or connector.
3.
SUBWOOFER AMP ON SIGNAL CHECK
Connector
Terminal
Connector
Terminal
Continuity
A: B74
3
C: B72
1
Yes
19
2
B: B75
22
4
Connector
Terminal
-
Continuity
A: B74
3
Ground
No
19
B: B75
22
ALNIA0536GB
2010 Pathfinder
2010 Pathfinder
AV
SUBWOOFER
AV-401
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITH NAVIGATION]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
1. Connect BOSE speaker amp. connector B74.
2. Turn ignition switch to ACC.
3. Push "POWER" switch.
4. Check voltage between subwoofer connector B72 terminal 4
and ground.
Are the voltage readings as specified?
YES
>> GO TO 4
NO
>> Replace BOSE speaker amp. Refer to
AV-466, "Removal and Installation"
4.
SUBWOOFER AUDIO SIGNAL CHECK
1. Connect BOSE speaker amp. connectors and subwoofer connector.
2. Turn ignition switch to ACC.
3. Push “POWER” switch.
4. Check the signal between BOSE speaker amp. harness connec-
tor B74 terminals with CONSULT-III or oscilloscope.
Is the audio signal voltage as specified?
YES
>> Replace subwoofer. Refer to
AV-467, "Removal and Installation"
NO
>> GO TO 5
5.
HARNESS CHECK
1. Turn ignition switch OFF.
(+)
(-)
Voltage
Connector
Terminal
B72
4
Ground
Battery voltage
ALNIA0540GB
Connector
Terminals
Condition
Reference
signal
(+)
(-)
B74
19
3
Receive au-
dio signal
ALNIA0879GB
SKIA0177E
2010 Pathfinder
2010 Pathfinder
AV-402
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITH NAVIGATION]
SUBWOOFER
2. Disconnect AV control unit connector M39 and BOSE speaker
amp. connector B75.
3. Check continuity between AV control unit harness connector
M39 (A) and BOSE speaker amp. harness connector B75 (B).
4. Check continuity between AV control unit harness connector
M39 (A) and ground.
Are the continuity test results as specified?
YES
>> GO TO 6
NO
>> • Check connector housings for disconnected or loose terminals.
• Repair harness or connector.
6.
BACK DOOR SPEAKER SIGNAL CHECK
1. Connect AV control unit connector M39 and BOSE speaker
amp. connector B75.
2. Turn ignition switch to ACC.
3. Push “POWER” switch.
4. Check the signal between AV control unit harness connector
M39 terminals with CONSULT-III or oscilloscope.
Is the audio signal voltage reading as specified?
YES
>> Replace BOSE speaker amp. Refer to
.
NO
>> Replace AV control unit. Refer to
A
B
Continuity
Connector
Terminal
Connector
Terminal
M39
4
B75
26
Yes
5
25
13
24
14
23
A
—
Continuity
Connector
Terminal
M39
4
Ground
No
5
13
14
ALNIA0551GB
Connector
Terminals
Condition
Reference
signal
(+)
(-)
M39
4
5
Receive
audio sig-
nal
13
14
AWNIA0034ZZ
SKIA0177E
2010 Pathfinder
2010 Pathfinder
AV
AMP ON SIGNAL CIRCUIT
AV-403
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITH NAVIGATION]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
AMP ON SIGNAL CIRCUIT
Description
INFOID:0000000005259609
When the audio system is turned on, a voltage signal is supplied from the AV control unit to the BOSE speaker
amp. When this signal is received, the BOSE speaker amp. will turn on.
Diagnosis Procedure
INFOID:0000000005259610
Regarding Wiring Diagram information, refer to
.
1.
CHECK AMP ON SIGNAL (BOSE SPEAKER AMP)
1. Turn audio system ON.
2. Check voltage between BOSE speaker amp. harness connector
B75 terminal 31 and ground.
Is battery voltage present?
YES
>> Inspection End.
NO
>> GO TO 2
2.
CHECK AMP ON SIGNAL (AV CONTROL UNIT)
Check voltage between AV control unit harness connector M39 ter-
minal 1 and ground.
Is battery voltage present?
YES
>> Repair harness or connector.
NO
>> Replace AV control unit. Refer to
(+)
(-)
Value (Approx.)
Connector
Terminal
B75
31
Ground
Battery Voltage
ALNIA0539GB
(+)
(-)
Value (Approx.)
Connector
Terminal
M39
1
Ground
Battery Voltage
ALNIA1185ZZ
2010 Pathfinder
2010 Pathfinder
AV-404
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITH NAVIGATION]
STEERING SWITCH
STEERING SWITCH
Description
INFOID:0000000005259611
When one of the steering wheel audio control switches is pushed, the resistance in the steering wheel audio
control switch circuit changes depending on which button is pushed.
Diagnosis Procedure
INFOID:0000000005259612
Regarding Wiring Diagram information, refer to
.
1.
CHECK STEERING WHEEL AUDIO CONTROL SWITCH RESISTANCE
1. Turn ignition switch OFF.
2. Disconnect steering wheel audio control switch connector M102.
3. 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-475, "Removal and Installation"
2.
CHECK HARNESS
1. Turn ignition switch OFF.
2. Disconnect AV control unit connector M39 and spiral cable con-
nector M30.
3. Check continuity between AV control unit harness connector
M39 (A) and spiral cable harness connector M30 (B).
4. Check continuity between AV control unit connector M39 (A) and ground.
Terminal
Signal name
Condition
Resistance
(
Ω
)
(Approx.)
16
17
Seek (down)
Depress
switch.
165
Volume (down)
Depress VOL down switch.
487
Phone/Send
Depress
switch.
0
20
17
Seek (up)
Depress
switch.
165
Volume (up)
Depress VOL up switch.
487
Mode/End
Depress
switch.
0
WKIA4457E
A
B
Continuity
Connector
Terminal
Connector
Terminal
M39
6
M30
24
Yes
15
31
16
32
A
—
Continuity
Connector
Terminal
M39
6
Ground
No
15
16
ALNIA0332GB
2010 Pathfinder
2010 Pathfinder
AV
STEERING SWITCH
AV-405
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITH NAVIGATION]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
Are the continuity results as specified?
YES
>> GO TO 3
NO
>> Repair harness.
3.
SPIRAL CABLE CHECK
1. Disconnect spiral cable connector M102.
2. Check continuity between spiral cable harness connector M30
(A) and M102 (B).
Does continuity exist?
YES
>> Inspection End.
NO
>> Replace spiral cable. Refer to
SR-7, "Removal and Installation"
A
B
Continuity
Connector
Terminal
Connector
Terminal
M30
24
M102
20
Yes
31
17
32
16
AWLIA1602ZZ
2010 Pathfinder
2010 Pathfinder
AV-406
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITH NAVIGATION]
MICROPHONE SIGNAL CIRCUIT
MICROPHONE SIGNAL CIRCUIT
Description
INFOID:0000000005259613
Voice signals are transmitted from the microphone to the AV control unit using the microphone signal circuits.
Diagnosis Procedure
INFOID:0000000005259614
Regarding Wiring Diagram information, refer to
.
1.
VERIFY MICROPHONE POWER AND GROUND SUPPLY
Check power and ground supply to the microphone. Refer to
AV-379, "MICROPHONE : Diagnosis Procedure"
.
Did the power and ground supply check OK?
YES
>> GO TO 2
NO
>> • Check connector housings for disconnected or loose terminals.
• Repair harness or connector.
2.
CHECK HARNESS BETWEEN AV CONTROL UNIT AND MICROPHONE
1. Turn ignition switch OFF.
2. Disconnect AV control unit connector and microphone connec-
tor.
3. Check continuity between AV control unit harness connector
M48 (A) and microphone harness connector R8 (B).
4. Check continuity between AV control unit harness connector
M48 (A) and ground.
Are the continuity results as specified?
YES
>> GO TO 3
NO
>> Repair harness or connector.
3.
CHECK MICROPHONE SIGNAL
A
B
Continuity
Connector
Terminal
Connector
Terminal
M48
75
R8
1
Yes
74
2
73
4
A
—
Continuity
Connector
Terminal
M48
75
Ground
No
74
73
AWLIA1682ZZ
2010 Pathfinder
2010 Pathfinder
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст