Nissan Pathfinder (2009 year). Instruction — part 58
AV-276
< ECU DIAGNOSIS >
[BOSE AUDIO WITHOUT NAVIGATION]
REAR VIEW CAMERA CONTROL UNIT
REAR VIEW CAMERA CONTROL UNIT
Reference Value
INFOID:0000000004430670
TERMINAL LAYOUT
PHYSICAL VALUES
WKIA5224E
Terminal
Description
Condition
Reference value
(Approx.)
+
–
Signal name
Input/
Output
1
(R/B)
Ground
Battery power
Input
Ignition
switch
OFF
—
Battery voltage
2
(G/R)
Ground
ACC power
Input
Ignition
switch
ACC
—
Battery voltage
3
(B)
Ground
Ground
—
Ignition
switch
ON
—
0V
4
(LG)
Ground
Reverse signal input
Input
Ignition
switch
ON
A/T selector lever R
position
Battery voltage
A/T selector lever in
other than R position
0V
5
(BR)
Ground
AV Control
Output
Ignition
switch
ON
—
0V
6
(W)
Ground
DDL
Output
—
—
—
8
(Y)
Ground
Camera power output
Output
Ignition
switch
ON
A/T selector lever R
position
6V
9
Ground
Camera image input (–)
Input
Ignition
switch
ON
—
0V
10
(G)
Ground
Camera image input (+)
Input
Ignition
switch
ON
A/T selector lever R
position
SKIA4894E
2009 Pathfinder
AV
REAR VIEW CAMERA CONTROL UNIT
AV-277
< ECU DIAGNOSIS >
[BOSE AUDIO WITHOUT NAVIGATION]
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B
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11
(W)
Ground
Composite image output (-)
Output
Ignition
switch
ON
A/T selector lever R
position
12
(B)
Ground
Composite image output (+)
Output
Ignition
switch
ON
A/T selector lever R
position
Terminal
Description
Condition
Reference value
(Approx.)
+
–
Signal name
Input/
Output
SKIA4896E
SKIA4896E
2009 Pathfinder
AV-278
< ECU DIAGNOSIS >
[BOSE AUDIO WITHOUT NAVIGATION]
DVD PLAYER
DVD PLAYER
Reference Value
INFOID:0000000004430671
PHYSICAL VALUES
AWNIA1780ZZ
Terminal
Description
Condition
Reference value
(Approx.)
+
–
Signal name
Input/
Output
1
(B)
2
(W)
DVD audio signal LH
Output
Ignition
switch
ON
With operation of the DVD
player
5
(B)
Ground
Ground
—
Ignition
switch
ON
—
0V
6
(BR)
Ground
Illumination control (pulse
width modulated)
—
—
With lighting switch ON
—
7
(L)
Ground
CAN communication
Input/
Output
Ignition
switch
ON
—
—
9
(BR)
Ground
Video monitor power sup-
ply
Output
Ignition
switch
ON
With DVD player operation
12V
10
(GR)
Ground
Switch power
Output
Ignition
switch
ON
With DVD player operation
5V
12
(W/L)
Ground
VTR (+)
Output
Ignition
switch
ON
With DVD player operation
—
13
(O/L)
Ground
VTR (-)
Output
Ignition
switch
ON
With DVD player operation
—
14
(Y)
Ground
Display ground
—
Ignition
switch
ON
With DVD player operation
0V
16
(V)
—
Data receive
Input
—
—
—
SKIB3609E
2009 Pathfinder
AV
DVD PLAYER
AV-279
< ECU DIAGNOSIS >
[BOSE AUDIO WITHOUT NAVIGATION]
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B
A
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17
(R)
18
(G)
DVD audio signal RH
Output
Ignition
switch
ON
With DVD player operation
21
(Y)
Ground
Battery power
Input
—
—
12V
22
(SB)
Ground
Illumination power
Input
—
With instrument illumination
ON
12V
23
(P)
Ground
CAN communication
Input/
Output
Ignition
switch
ON
—
0V
24
(G/B)
Ground
ACC power
Input
Ignition
switch
ACC or
ON
—
12V
26
(P)
Ground
Ground
Input
Ignition
switch
ON
—
0V
28
(G)
Ground
Video out
Input
Ignition
switch
ACC or
ON
—
32
(LG)
—
Data transmit
Output
—
—
—
Terminal
Description
Condition
Reference value
(Approx.)
+
–
Signal name
Input/
Output
SKIB3609E
SKIB2251J
2009 Pathfinder
AV-280
< ECU DIAGNOSIS >
[BOSE AUDIO WITHOUT NAVIGATION]
BLUETOOTH CONTROL UNIT
BLUETOOTH CONTROL UNIT
Reference Value
INFOID:0000000004432019
TERMINAL LAYOUT
PHYSICAL VALUES
AWNIA1784ZZ
Terminal
(Wire color)
Item
Signal
input/
output
Condition
Reference value
(Approx.)
+
–
Ignition
switch
Operation
1
(R/Y)
Ground
Battery power
Input
–
–
Battery voltage
2
(G/Y)
Ground
ACC power
Input
ACC/ON
–
Battery voltage
3
(W/G)
Ground
IGN power
Input
ON/
START
–
Battery voltage
4
(B)
–
Ground
–
–
–
–
7
(R)
8
(B)
Mic-in signal
Input
–
–
–
9
(W)
10
(B)
Audio out
Output
ACC/ON
Bluetooth control
unit sends audio sig-
nal
21
(B)
–
Ground
–
–
–
–
22
(B)
–
Ground
–
–
–
–
24
(B)
–
Ground
–
–
–
–
29
(W)
Ground
Microphone
power
Output
ON
With Bluetooth ON
5V
33
(B)
–
Bluetooth an-
tenna
–
–
–
–
34
(B)
–
Bluetooth an-
tenna
–
–
–
–
35
(L)
–
M-CAN H
–
–
–
–
36
(P)
–
M-CAN L
–
–
–
–
SKIB3609E
2009 Pathfinder
AV
AUDIO SYSTEM
AV-281
< SYMPTOM DIAGNOSIS >
[BOSE AUDIO WITHOUT NAVIGATION]
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SYMPTOM DIAGNOSIS
AUDIO SYSTEM
Symptom Table
INFOID:0000000003939132
AUDIO SYSTEM
CD
SATELLITE RADIO
DVD PLAYER
Symptom
Possible cause
Reference page
Inoperative
• AV control unit power circuit
• AV control unit
•
•
Steering wheel audio control switch does not operate
• Steering wheel audio control switch
• AV control unit
•
•
All speakers do not sound
• AV control unit
• AV control unit power circuit
• BOSE speaker amp. ON signal
• BOSE speaker amp. power/ground circuit
• BOSE speaker amp.
•
•
•
•
•
One or several speakers do not sound
• Front door speaker
• Front tweeter
• Rear door speaker
• Rear tweeter
• Subwoofer
•
•
•
•
•
Symptom
Possible cause
Reference page
CD cannot be inserted.
AV control unit
CD cannot be ejected.
The CD cannot be played.
The sound skips, stops suddenly, or is distorted.
Symptom
Possible cause
Reference page
Inoperative
• Satellite radio tuner power or ground circuit
• Satellite radio tuner communication circuit
• Satellite radio tuner
•
•
•
Right or left channel does not sound
• Satellite radio tuner audio signal circuit
• Satellite radio tuner
•
•
Symptom
Possible cause
Reference page
DVD player inoperative
• Power supply and ground circuits
• DVD player
•
•
No sound when playing a DVD
• Audio signal circuits
• AV control unit
• DVD player
•
•
•
Video monitor is inoperative/does not display properly
• Power supply and ground circuits
• Video out circuit
• DVD player
• Display monitor
•
•
•
•
2009 Pathfinder
AV-282
< SYMPTOM DIAGNOSIS >
[BOSE AUDIO WITHOUT NAVIGATION]
AUDIO SYSTEM
DVD remote control is inoperative/does not operate
properly
• DVD player
• Video monitor
•
•
Headphones inoperative
• Headphone batteries
• Headphone audio signal circuits from AV control unit
• AV control unit
• Video monitor
•
•
Symptom
Possible cause
Reference page
2009 Pathfinder
AV
NORMAL OPERATING CONDITION
AV-283
< SYMPTOM DIAGNOSIS >
[BOSE AUDIO WITHOUT NAVIGATION]
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NORMAL OPERATING CONDITION
Description
INFOID:0000000003939133
The majority of the audio concerns are the result of outside causes (bad CD, electromagnetic interference,
etc.).
NOISE
The following noise results from variations in field strength, such as fading noise and multi-path noise, or
external noise from trains and other sources. It is not a malfunction.
• Fading noise: This noise occurs because of variations in the field strength in a narrow range due to moun-
tains or buildings blocking the signal.
• Multi-path noise: This noise results from the waves sent directly from the broadcast station arriving at the
antenna at a different time from the waves which reflect off mountains or buildings.
The vehicle itself can be a source of noise if noise prevention parts or electrical equipment is malfunctioning.
Check if noise is caused and/or changed by engine speed, ignition switch turned to each position, and opera-
tion of each piece of electrical equipment, and determine the cause.
NOTE:
The source of the noise can be found easily by listening to the noise while removing the fuses of electrical
components, one by one.
Type of Noise and Possible Cause
Occurrence condition
Possible cause
Occurs only when engine is ON.
A continuous growling noise occurs. The speed of
the noise varies with changes in the engine speed.
• Ignition components
The occurrence of the noise is linked with the operation of the fuel pump.
• Fuel pump condenser
Noise only occurs when various
electrical components are oper-
ating.
A cracking or snapping sound occurs with the op-
eration of various switches.
• Relay malfunction, AV control unit malfunc-
tion
The noise occurs when various motors are operat-
ing.
• Motor case ground
• Motor
The noise occurs constantly, not just under certain conditions.
• Rear defogger coil malfunction
• Open circuit in printed heater
• Poor ground of antenna feeder line
A cracking or snapping sound occurs while the vehicle is being driven, especially when
it is vibrating excessively.
• Ground wire of body parts
• Ground due to improper part installation
• Wiring connections or a short circuit
2009 Pathfinder
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