Nissan Pathfinder (2012 year). Manual — part 48
AV-202
< DTC/CIRCUIT DIAGNOSIS >
[BOSE AUDIO WITHOUT NAVIGATION]
SOUND SIGNAL CIRCUIT
Are voltage readings as specified?
YES
>> Replace AV control unit. Refer to
AV-255, "Removal and Installation"
.
NO
>> Replace satellite radio tuner. Refer to
AV-273, "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 or oscillo-
scope.
Are voltage readings as specified?
YES
>> Replace AV control unit. Refer to
AV-255, "Removal and Installation"
.
NO
>> Replace satellite radio tuner. Refer to
AV-273, "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
August 2012
2012 Pathfinder
AV
MICROPHONE SIGNAL CIRCUIT
AV-203
< DTC/CIRCUIT DIAGNOSIS >
[BOSE AUDIO WITHOUT NAVIGATION]
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MICROPHONE SIGNAL CIRCUIT
Description
INFOID:0000000007347771
Voice signals are transmitted from the microphone to the Bluetooth control unit using the microphone signal
circuits.
Diagnosis Procedure
INFOID:0000000007347772
Regarding Wiring Diagram information, refer to
AV-225, "Wiring Diagram - Without Navigation System"
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
August 2012
2012 Pathfinder
AV-204
< DTC/CIRCUIT DIAGNOSIS >
[BOSE AUDIO WITHOUT NAVIGATION]
MICROPHONE SIGNAL CIRCUIT
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-264, "Removal and Installation"
NO
>> Replace microphone. Refer to
AV-263, "Removal and Installation"
.
7 - 8:
When giving a voice
ALNIA0934GB
PKIB5037J
August 2012
2012 Pathfinder
AV
REAR VIEW CAMERA IMAGE SIGNAL CIRCUIT
AV-205
< DTC/CIRCUIT DIAGNOSIS >
[BOSE AUDIO WITHOUT NAVIGATION]
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REAR VIEW CAMERA IMAGE SIGNAL CIRCUIT
Description
INFOID:0000000007347773
Rear view camera signals are transmitted from the rear view camera to the AV control unit using the camera
signal circuits.
Diagnosis Procedure
INFOID:0000000007347774
Regarding Wiring Diagram information, refer to
AV-225, "Wiring Diagram - Without Navigation System"
1.
CHECK CAMERA IMAGE SIGNAL CIRCUIT CONTINUITY
NOTE:
Apply parking brakes before proceeding.
1. Turn ignition switch OFF.
2. Disconnect AV control unit connector M134 and rear view camera connector D551.
3. Check continuity between AV control unit harness connector M134 terminals 64, 65, 72 and rear view
camera harness connector D551 terminals 3, 5 and 6.
4. Check continuity between AV control unit harness connector M134 terminals 64, 65, 72 and ground.
Is inspection result OK?
YES
>> GO TO 2
NO
>> Repair harness or connector.
2.
CHECK CAMERA IMAGE SIGNAL
1. Connect AV control unit connector M134 and rear view camera connector D551.
2. Turn ignition switch ON.
3. Shift transmission into reverse.
4. Check signal between AV control unit harness connector M134 terminals 64 and 65.
Is inspection result OK?
YES
>> Replace AV control unit. Refer to
AV-255, "Removal and Installation"
.
NO
>> Replace rear view camera. Refer to
AV-274, "Removal and Installation"
.
64 - 5
: Continuity should exist.
65 - 6
: Continuity should exist.
72 - 3
: Continuity should exist.
64, 65, 72 - Ground
: Continuity should not exist.
64 - 65
:
SKIB2251J
August 2012
2012 Pathfinder
AV-206
< ECU DIAGNOSIS INFORMATION >
[BOSE AUDIO WITHOUT NAVIGATION]
AV CONTROL UNIT
ECU DIAGNOSIS INFORMATION
AV CONTROL UNIT
Reference Value
INFOID:0000000007347775
VALUES ON THE DIAGNOSIS TOOL
CONSULT 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
August 2012
2012 Pathfinder
AV
AV CONTROL UNIT
AV-207
< ECU DIAGNOSIS INFORMATION >
[BOSE AUDIO WITHOUT NAVIGATION]
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15
(L)
Ground
Steering switch signal
ground
—
Ignition
switch
ON
—
0V
16
(G)
15
(L)
Steering switch signal B
Input
Ignition
switch
ON
Pressing
switch
0V
Pressing
switch
0.75V
Pressing VOL down switch
2V
Except for above
5V
19
(Y)
Ground Battery power supply
Input
Ignition
switch
OFF
—
Battery voltage
20
(B)
Ground Ground
—
Ignition
switch
ON
—
0V
22
(R)
21
(G)
Satellite radio sound signal
LH
Input
Ignition
switch
ON
When satellite radio mode
is selected
24
(B)
23
(W)
Satellite radio sound signal
RH
Input
Ignition
switch
ON
When satellite radio mode
is selected
28
(O)
Ground
Request signal
(SAT
→
CONT)
Input
Ignition
switch
ON
When satellite radio mode
is selected
29
(P)
Ground
Communication signal
(SAT
→
CONT)
Input
Ignition
switch
ON
When satellite radio mode
is selected
30
(L)
Ground
Communication signal
(CONT
→
SAT)
Output
Ignition
switch
ON
When satellite radio mode
is selected
Terminal
(Wire color)
Description
Condition
Reference value
(Approx.)
+
–
Signal name
Input/
Output
SKIB3609E
SKIB3609E
SKIA9299J
SKIA9300J
SKIA9301J
August 2012
2012 Pathfinder
AV-208
< ECU DIAGNOSIS INFORMATION >
[BOSE AUDIO WITHOUT NAVIGATION]
AV CONTROL UNIT
34
—
Antenna main
—
—
—
—
35
—
Antenna B+
—
—
—
—
36
(G)
Ground AUX image signal
Output
Ignition
switch
ON
When AUX mode is select-
ed
37
(R)
Ground AUX image ground
—
Ignition
switch
ON
—
0V
38
(R)
Ground RGB signal (B: blue)
Output
Ignition
switch
ON
Start confirmation/adjust-
ment mode, and then dis-
play color bar by selecting
“Color Spectrum Bar” on
DISPLAY DIAGNOSIS
screen.
39
(B)
Ground RGB signal (G: green)
Output
Ignition
switch
ON
Start confirmation/adjust-
ment mode, and then dis-
play color bar by selecting
“Color Spectrum Bar” on
DISPLAY DIAGNOSIS
screen.
40
(W)
Ground RGB signal (R: red)
Output
Ignition
switch
ON
Start confirmation/adjust-
ment mode, and then dis-
play color bar by selecting
“Color Spectrum Bar” on
DISPLAY DIAGNOSIS
screen.
41
(R)
Ground RGB synchronizing signal
Output
Ignition
switch
ON
—
43
(G)
Ground RGB area (YS) signal
Output
Ignition
switch
ON
RGB image
5V
AUX image
Terminal
(Wire color)
Description
Condition
Reference value
(Approx.)
+
–
Signal name
Input/
Output
SKIB2251J
SKIB2237J
SKIB2236J
SKIB2238J
SKIB3603E
PKIB4948J
August 2012
2012 Pathfinder
AV
AV CONTROL UNIT
AV-209
< ECU DIAGNOSIS INFORMATION >
[BOSE AUDIO WITHOUT NAVIGATION]
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44
(LG)
Ground
Communication signal
(DISP
→
CONT)
Input
Ignition
switch
ON
When adjusting display
brightness
45
(B)
Ground
Horizontal synchronizing
(HP) signal
Input
Ignition
switch
ON
—
46
(BR)
Ground Signal ground
—
Ignition
switch
—
0V
47
(R)
Ground Signal VCC
Output
Ignition
switch
ACC
—
9V
54
(B)
Ground
Ground
—
Ignition
switch
ON
—
0V
56
(V)
Ground
Communication signal
(CONT
→
DISP)
Output
Ignition
switch
ON
When adjusting display
brightness
57
(W)
Ground
Vertical synchronizing (VP)
signal
Input
Ignition
switch
On
—
58
(SB)
Ground Inverter ground
—
Ignition
switch
ON
—
0V
59
(O)
Ground Inverter VCC
Output
Ignition
switch
ACC
—
9V
64
(W)
Ground
Rear view camera video
signal ground
—
Ignition
switch
ON
—
0V
Terminal
(Wire color)
Description
Condition
Reference value
(Approx.)
+
–
Signal name
Input/
Output
PKIB5039J
SKIB3601E
PKIB5039J
SKIB3598E
August 2012
2012 Pathfinder
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