Nissan Pathfinder (2010 year). Instruction — part 53
AV
COMMUNICATION SIGNAL CIRCUIT
AV-231
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITHOUT NAVIGATION]
C
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G
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B
A
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COMMUNICATION SIGNAL CIRCUIT
SATELLITE RADIO TUNER
SATELLITE RADIO TUNER : Description
INFOID:0000000005259455
Communication signals are exchanged between the AV control unit and satellite radio tuner using the commu-
nication circuits.
SATELLITE RADIO TUNER : Diagnosis Procedure
INFOID:0000000005259456
Regarding Wiring Diagram information, refer to
.
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
2010 Pathfinder
2010 Pathfinder
AV-232
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITHOUT NAVIGATION]
COMMUNICATION SIGNAL CIRCUIT
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-III
or oscilloscope.
Are voltage readings as specified?
YES
>> GO TO 5
NO
>> Replace AV control unit. Refer to
AV-141, "Removal and Installation"
.
5.
CHECK TXD SIGNAL
Check signal between satellite radio tuner (factory installed) harness
connector M41 terminal 29 and ground with CONSULT-III 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
2010 Pathfinder
2010 Pathfinder
AV
COMMUNICATION SIGNAL CIRCUIT
AV-233
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITHOUT NAVIGATION]
C
D
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F
G
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B
A
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Are the voltage readings as specified?
YES
>> GO TO 6
NO
>> Replace satellite radio tuner. Refer to
AV-154, "Removal and Installation"
6.
CHECK RXD SIGNAL
Check signal between satellite radio tuner (factory installed) harness
connector M41 terminal 30 and ground with CONSULT-III or oscillo-
scope.
Are the voltage readings as specified?
YES
>> Replace satellite radio tuner. Refer to
AV-154, "Removal and Installation"
NO
>> Replace AV control unit. Refer to
AV-141, "Removal and Installation"
.
(+)
(-)
Reference signal
Connector
Terminal
M41
30
Ground
WKIA4546E
SKIB3826E
2010 Pathfinder
2010 Pathfinder
AV-234
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITHOUT NAVIGATION]
SOUND SIGNAL CIRCUIT
SOUND SIGNAL CIRCUIT
SATELLITE RADIO TUNER
SATELLITE RADIO TUNER : Description
INFOID:0000000005259457
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:0000000005259458
Regarding Wiring Diagram information, refer to
.
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-III 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
2010 Pathfinder
2010 Pathfinder
AV
SOUND SIGNAL CIRCUIT
AV-235
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITHOUT NAVIGATION]
C
D
E
F
G
H
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K
L
M
B
A
O
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Are voltage readings as specified?
YES
>> Replace AV control unit. Refer to
AV-141, "Removal and Installation"
.
NO
>> Replace satellite radio tuner. Refer to
AV-154, "Removal and Installation"
RIGHT 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)
M41 (A) and AV control unit 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 RIGHT 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 23 and 24 with CONSULT-III or oscillo-
scope.
Are voltage readings as specified?
YES
>> Replace AV control unit. Refer to
AV-141, "Removal and Installation"
.
NO
>> Replace satellite radio tuner. Refer to
AV-154, "Removal and Installation"
A
B
Continuity
Connector
Terminal
Connector
Terminal
M41
23
M136
23
Yes
24
24
A
—
Continuity
Connector
Terminal
M41
23
Ground
No
24
ALNIA0338GB
(+)
(-)
Reference signal
Connector
Terminal
M41
24
23
ALNIA0881GB
SKIB3609E
2010 Pathfinder
2010 Pathfinder
AV-236
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITHOUT NAVIGATION]
MICROPHONE SIGNAL CIRCUIT
MICROPHONE SIGNAL CIRCUIT
Description
INFOID:0000000005259459
Voice signals are transmitted from the microphone to the Bluetooth control unit using the microphone signal
circuits.
Diagnosis Procedure
INFOID:0000000005259460
Regarding Wiring Diagram information, refer to
.
1.
CHECK HARNESS BETWEEN BLUETOOTH CONTROL UNIT AND MICROPHONE
1. Turn ignition switch OFF.
2. Disconnect Bluetooth control unit connector and microphone
connector.
3. Check continuity between Bluetooth control unit harness con-
nector B124 (A) and microphone harness connector R8 (B).
4. Check continuity between Bluetooth control unit harness connector B124 (A) and ground.
Are the continuity test results as specified?
YES
>> GO TO 2
NO
>> Repair harness or connector.
2.
CHECK MICROPHONE POWER SUPPLY
1. Connect Bluetooth control unit connector and microphone con-
nector.
2. Turn ignition switch ON.
3. Check voltage between microphone harness connector R8 ter-
minal 4 and ground.
Is voltage reading approx. 5 volts?
YES
>> GO TO 3
NO
>> Replace Bluetooth control unit. Refer to
.
3.
CHECK MICROPHONE SIGNAL
A
B
Continuity
Connector
Terminal
Connector
Terminal
B124
7
R8
1
Yes
8
2
29
4
A
—
Continuity
Connector
Terminal
B124
7
Ground
No
8
29
WKIA5795E
4 - Ground
: Approx. 5V
WKIA5796E
2010 Pathfinder
2010 Pathfinder
AV
MICROPHONE SIGNAL CIRCUIT
AV-237
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITHOUT NAVIGATION]
C
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Check signal between Bluetooth control unit harness connector
B124 terminals 7 and 8.
Are voltage readings as specified?
YES
>> Replace Bluetooth control unit. Refer to
AV-298, "Removal and Installation"
NO
>> Replace microphone. Refer to
AV-296, "Removal and Installation"
.
7 - 8:
When giving a voice
ALNIA0934GB
PKIB5037J
2010 Pathfinder
2010 Pathfinder
AV-238
< ECU DIAGNOSIS >
[BOSE AUDIO WITHOUT NAVIGATION]
AV CONTROL UNIT
ECU DIAGNOSIS
AV CONTROL UNIT
Reference Value
INFOID:0000000005259461
VALUES ON THE DIAGNOSIS TOOL
CONSULT-III data monitor item
TERMINAL LAYOUT
PHYSICAL VALUES
Display Item
Dis-
play
Vehicle status
Remarks
VHCL SPD SIG
ON
Vehicle speed >0 km/h (0 MPH)
Changes in indication may be delayed. This is nor-
mal.
OFF
Vehicle speed =0 km/h (0 MPH)
PKB SIG
ON
Parking brake is applied.
Changes in indication may be delayed. This is nor-
mal.
OFF
Parking brake is released.
ILLUM SIG
ON
Block the light beam from the auto
light optical sensor when the light SW
is ON .
—
OFF
Expose the auto light optical sensor
to light when the light SW is OFF or
ON.
IGN SIG
ON
Ignition switch ON
—
OFF
Ignition switch in ACC position
REV SIG
ON
Selector lever in R position
Changes in indication may be delayed. This is nor-
mal.
OFF
Selector lever in any position other
than R
AWNIA0146ZZ
Terminal
(Wire color)
Description
Condition
Reference value
(Approx.)
+
–
Signal name
Input/
Output
6
(Y)
15
(L)
Steering switch signal A
Input
Ignition
switch
ON
Pressing
switch
0V
Pressing
switch
0.75V
Pressing VOL up switch
2V
Except for above
5V
7
(G/Y)
Ground ACC power supply
Input
Ignition
switch
ACC
—
Battery voltage
9
(V)
Ground Illumination signal
Input
OFF
Lighting switch is OFF.
0V
Lighting switch is ON.
Battery voltage
2010 Pathfinder
2010 Pathfinder
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