Nissan Pathfinder (2012 year). Instruction — part 47
AV-194
< DTC/CIRCUIT DIAGNOSIS >
[BOSE AUDIO WITHOUT NAVIGATION]
SUBWOOFER
2. Disconnect AV control unit connector M69 and BOSE speaker
amp. connector B75.
3. Check continuity between AV control unit harness connector
M69 (A) and BOSE speaker amp. harness connector B75 (B).
4. Check continuity between AV control unit harness connector
M69 (A) and ground.
Are the continuity results as specified?
YES
>> GO TO 7
NO
>> Repair harness or connector.
7.
BACK DOOR SPEAKER SIGNAL CHECK
1. Connect AV control unit connector M69 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
M69 terminals with CONSULT 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
M69
112
B75
26
Yes
118
25
108
24
114
23
A
—
Continuity
Connector
Terminal
M69
112
Ground
No
118
108
114
ALNIA0538GB
Connector
Terminals
Condition
Reference
signal
(+)
(-)
M69
112
118
Receive
audio sig-
nal
108
114
ALNIA0356GB
SKIA0177E
August 2012
2012 Pathfinder
AV
AMP ON SIGNAL CIRCUIT
AV-195
< DTC/CIRCUIT DIAGNOSIS >
[BOSE AUDIO WITHOUT NAVIGATION]
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AMP ON SIGNAL CIRCUIT
Description
INFOID:0000000007347763
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:0000000007347764
Regarding Wiring Diagram information, refer to
AV-225, "Wiring Diagram - Without Navigation System"
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 M69 ter-
minal 110 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
M69
110
Ground
Battery Voltage
ALNIA0370GB
August 2012
2012 Pathfinder
AV-196
< DTC/CIRCUIT DIAGNOSIS >
[BOSE AUDIO WITHOUT NAVIGATION]
STEERING SWITCH
STEERING SWITCH
Description
INFOID:0000000007347765
When one of the steering wheel AV control switches is pushed, the resistance in the steering wheel AV control
switch circuit changes depending on which button is pushed.
Diagnosis Procedure
INFOID:0000000007347766
Regarding Wiring Diagram information, refer to
AV-225, "Wiring Diagram - Without Navigation System"
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-262, "Removal and Installation"
2.
CHECK HARNESS
1. Disconnect AV control unit connector M42 and spiral cable con-
nector M30.
2. Check continuity between AV control unit harness connector
M42 (A) and spiral cable harness connector M30 (B).
3. Check continuity between AV control unit connector M42 (A) and ground.
Are the continuity results as specified?
Terminal
Signal name
Condition
Resistance
(
Ω
)
(Approx.)
16
17
Seek (down)
Depress
switch.
165
Volume (down)
Depress VOL down switch.
652
Mode/End
Depress
switch.
0
20
17
Seek (up)
Depress
switch.
165
Volume (up)
Depress VOL up switch.
652
Phone/Send
Depress
switch.
0
WKIA4457E
A
B
Continuity
Connector
Terminal
Connector
Terminal
M42
6
M30
24
Yes
15
31
16
32
A
—
Continuity
Connector
Terminal
M42
6
Ground
No
15
16
ALNIA0332GB
August 2012
2012 Pathfinder
AV
STEERING SWITCH
AV-197
< DTC/CIRCUIT DIAGNOSIS >
[BOSE AUDIO WITHOUT NAVIGATION]
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B
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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).
Is continuity present?
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
August 2012
2012 Pathfinder
AV-198
< DTC/CIRCUIT DIAGNOSIS >
[BOSE AUDIO WITHOUT NAVIGATION]
COMMUNICATION SIGNAL CIRCUIT
COMMUNICATION SIGNAL CIRCUIT
SATELLITE RADIO TUNER
SATELLITE RADIO TUNER : Description
INFOID:0000000007347767
Communication signals are exchanged between the AV control unit and satellite radio tuner using the commu-
nication circuits.
SATELLITE RADIO TUNER : Diagnosis Procedure
INFOID:0000000007347768
Regarding Wiring Diagram information, refer to
AV-225, "Wiring Diagram - Without Navigation System"
1.
CHECK HARNESS - 1
1. Turn ignition switch OFF.
2. Disconnect satellite radio tuner (factory installed) connector M41
and AV control unit connector M136.
3. Check continuity between satellite radio tuner (factory installed)
harness connector M41 (A) terminal 28 and AV control unit har-
ness connector M136 (B) terminal 28.
4. Check continuity between satellite radio tuner (factory installed)
harness connector M41 (A) terminal 28 and ground.
Are continuity results as specified?
YES
>> GO TO 2
NO
>> Repair harness or connector.
2.
CHECK HARNESS - 2
1. Check continuity between satellite radio tuner (factory installed)
harness connector M41 (A) terminal 29 and AV control unit har-
ness connector M136 (B) terminal 29.
2. Check continuity between satellite radio tuner (factory installed)
harness connector M41 (A) terminal 29 and ground.
Are continuity results as specified?
YES
>> GO TO 3
NO
>> Repair harness or connector.
A
B
Continuity
Connector
Terminal
Connector
Terminal
M41
28
M136
28
Yes
A
—
Continuity
Connector
Terminal
M41
28
Ground
No
ALNIA0334GB
A
B
Continuity
Connector
Terminal
Connector
Terminal
M41
29
M136
29
Yes
A
—
Continuity
Connector
Terminal
M41
29
Ground
No
ALNIA0867GB
August 2012
2012 Pathfinder
AV
COMMUNICATION SIGNAL CIRCUIT
AV-199
< DTC/CIRCUIT DIAGNOSIS >
[BOSE AUDIO WITHOUT NAVIGATION]
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3.
CHECK HARNESS - 3
1. Check continuity between satellite radio tuner (factory installed)
harness connector M41 (A) terminal 30 and AV control unit har-
ness connector M136 (B) terminal 30.
2. Check continuity between satellite radio tuner (factory installed)
harness connector M41 (A) terminal 30 and ground.
Are continuity results as specified?
YES
>> GO TO 4
NO
>> Repair harness or connector.
4.
CHECK REQ1 SIGNAL
1. Connect satellite radio tuner (factory installed) connector and AV control unit connector.
2. Turn ignition switch to ACC
3. Check signal between satellite radio tuner (factory installed) har-
ness connector M41 terminal 28 and ground with CONSULT or
oscilloscope.
Are voltage readings as specified?
YES
>> GO TO 5
NO
>> Replace AV control unit. Refer to
AV-255, "Removal and Installation"
.
5.
CHECK TXD SIGNAL
Check signal between satellite radio tuner (factory installed) harness
connector M41 terminal 29 and ground with CONSULT or oscillo-
scope.
A
B
Continuity
Connector
Terminal
Connector
Terminal
M41
30
M136
30
Yes
A
—
Continuity
Connector
Terminal
M41
30
Ground
No
ALNIA0877GB
(+)
(-)
Reference signal
Connector
Terminal
M41
28
Ground
WKIA4544E
SKIB3825E
(+)
(-)
Reference signal
Connector
Terminal
M41
29
Ground
WKIA4545E
SKIB3824E
August 2012
2012 Pathfinder
AV-200
< DTC/CIRCUIT DIAGNOSIS >
[BOSE AUDIO WITHOUT NAVIGATION]
COMMUNICATION SIGNAL CIRCUIT
Are the voltage readings as specified?
YES
>> GO TO 6
NO
>> Replace satellite radio tuner. Refer to
AV-273, "Removal and Installation"
6.
CHECK RXD SIGNAL
Check signal between satellite radio tuner (factory installed) harness
connector M41 terminal 30 and ground with CONSULT or oscillo-
scope.
Are the voltage readings as specified?
YES
>> Replace satellite radio tuner. Refer to
AV-273, "Removal and Installation"
NO
>> Replace AV control unit. Refer to
AV-255, "Removal and Installation"
.
(+)
(-)
Reference signal
Connector
Terminal
M41
30
Ground
WKIA4546E
SKIB3826E
August 2012
2012 Pathfinder
AV
SOUND SIGNAL CIRCUIT
AV-201
< DTC/CIRCUIT DIAGNOSIS >
[BOSE AUDIO WITHOUT NAVIGATION]
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SOUND SIGNAL CIRCUIT
SATELLITE RADIO TUNER
SATELLITE RADIO TUNER : Description
INFOID:0000000007347769
Left and right channel audio signals are supplied from the satellite radio tuner to the AV control unit through
the sound signal circuits.
SATELLITE RADIO TUNER : Diagnosis Procedure
INFOID:0000000007347770
Regarding Wiring Diagram information, refer to
AV-225, "Wiring Diagram - Without Navigation System"
LEFT CHANNEL
1.
CHECK HARNESS
1. Turn ignition switch OFF.
2. Disconnect satellite radio tuner (factory installed) connector M41
and AV control unit connector M136.
3. Check continuity between satellite radio tuner (factory installed)
connector M41 (A) and AV control unit connector M136 (B).
4. Check continuity between satellite radio tuner (factory installed) connector M41 (A) and ground.
Are continuity results as specified?
YES
>> GO TO 2
NO
>> Repair harness or connector.
2.
CHECK LEFT CHANNEL AUDIO SIGNAL
1. Connect satellite radio tuner (factory installed) and AV control
unit.
2. Turn ignition switch ON.
3. Check signal between satellite radio tuner (factory installed)
connector M41 terminals 21 and 22 with CONSULT or oscillo-
scope.
A
B
Continuity
Connector
Terminal
Connector
Terminal
M41
21
M43
21
Yes
22
22
A
—
Continuity
Connector
Terminal
M41
21
Ground
No
22
ALNIA0337GB
(+)
(-)
Reference signal
Connector
Terminal
M41
22
21
ALNIA0880GB
SKIB3609E
August 2012
2012 Pathfinder
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