Nissan Pathfinder (2009 year). Manual — part 53

AV-236

< ECU DIAGNOSIS >

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AV CONTROL UNIT

ECU DIAGNOSIS

AV CONTROL UNIT

Reference Value

INFOID:0000000003939124

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

2009 Pathfinder

AV

AV CONTROL UNIT

AV-237

< ECU DIAGNOSIS >

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C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

Terminal

(Wire color)

Description

Condition

Reference value

(Approx.)

+

–

Signal name

Input/

Output

2

(BR)

3

(L)

Sound signal front door
speaker and front tweeter
LH

Output

Ignition

switch

ON

Audio output

4

(G)

5

(B)

Sound signal rear door
speaker and rear tweeter
LH

Output

Ignition

switch

ON

Audio 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

11

(LG)

12

(R)

Sound signal front door
speaker and front tweeter
RH

Output

Ignition

switch

ON

Voice output

13

(GR)

14

(O)

Sound signal rear door
speaker and rear tweeter
RH

Output

Ignition

switch

ON

Voice output

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

SKIB3609E

SKIB3609E

SKIB3609E

SKIB3609E

2009 Pathfinder

AV-238

< ECU DIAGNOSIS >

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AV CONTROL UNIT

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

34

—

Antenna main

—

—

—

—

35

—

Antenna B+

—

—

—

—

Terminal

(Wire color)

Description

Condition

Reference value

(Approx.)

+

–

Signal name

Input/

Output

SKIB3609E

SKIB3609E

SKIA9299J

SKIA9300J

SKIA9301J

2009 Pathfinder

AV

AV CONTROL UNIT

AV-239

< ECU DIAGNOSIS >

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C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

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

2009 Pathfinder

AV-240

< ECU DIAGNOSIS >

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AV CONTROL UNIT

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

2009 Pathfinder

AV

AV CONTROL UNIT

AV-241

< ECU DIAGNOSIS >

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C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

65

(B)

Ground

Rear view camera video in
(+)

Input

Ignition
switch
ON

With rear view camera ON

66

(G)

Ground

DVD player video signal (+)

Input

Ignition

switch

ON

With DVD player operating

68

(BR)

—

AV control

Output

—

—

—

72

—

Shield

—

—

—

—

74

(R)

Ground

DVD player video ground

—

Ignition

switch

ON

—

0V

77

(B)

76

(R)

Headphone RH audio sig-
nal

Output

Ignition
switch
ON

With DVD player operating

80

(W)

79

(B)

Microphone signal

Input

Ignition
switch
ON

—

—

83

(R)

82

(G)

DVD player audio signal
RH

Input

Ignition
switch
ON

With DVD player operating

85

(B)

Ground

Ground

—

Ignition
switch
ON

—

0V

86

(L)

—

CAN–H

Input/

Output

—

—

—

87

(P)

—

CAN–L

Input/

Output

—

—

—

88

(L)

—

AV communication signal 1
(H)

Input/

Output

—

—

—

89

(P)

—

AV communication signal 1
(L)

Input/

Output

—

—

—

Terminal

(Wire color)

Description

Condition

Reference value

(Approx.)

+

–

Signal name

Input/

Output

SKIB2251J

SKIB2251J

SKIA0177E

SKIB3609E

2009 Pathfinder

AV-242

< ECU DIAGNOSIS >

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AV CONTROL UNIT

90

(L)

—

AV communication signal 2
(H)

Input/

Output

—

—

—

91

(P)

—

AV communication signal 2
(L)

Input/

Output

—

—

—

93

(G)

92

(W)

Headphone LH audio sig-
nal

Output

Ignition
switch
ON

With DVD player operating

95

(B)

97

(R)

AUX audio signal RH

Input

Ignition

switch

ON

When AUX mode is select-
ed

96

(W)

97

(R)

AUX audio signal LH

Input

Ignition

switch

ON

When AUX mode is select-
ed

98

(B)

99

(W)

DVD player audio signal LH

Input

Ignition

switch

ON

With DVD player operating

101

(GR)

Ground

A/C and AV switch assem-
bly ground

—

Ignition

switch

ON

—

0V

103

(SB)

Ground

CD eject signal

Input

—

Pressing the eject switch

0V

Except for above

3.3V

104

(W/G)

Ground

Ignition signal

Input

Ignition

switch

ON

—

Battery voltage

105
(W)

Ground

Reverse signal

Input

Ignition

switch

ON

R position

Battery voltage

Other than R position

0V

106

(G)

Ground

Parking brake signal

Input

Ignition

switch

ON

Parking brake ON

0V

Parking brake OFF

Battery voltage

Terminal

(Wire color)

Description

Condition

Reference value

(Approx.)

+

–

Signal name

Input/

Output

SKIB3609E

SKIB3609E

SKIB3609E

SKIB3609E

2009 Pathfinder

AV

AV CONTROL UNIT

AV-243

< ECU DIAGNOSIS >

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C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

107

(LG)

Ground

Vehicle speed signal
(8-pulse)

Input

Ignition

switch

ON

When vehicle speed is ap-
prox. 40 km/h (25MPH)

108

(G/R)

114

(B)

Rear RH pre-amp. audio
signal

Output

Ignition
switch
ON

Audio output

109

(G/Y)

115

(G/O)

Front RH pre-amp. audio
signal

Output

Ignition
switch
ON

Audio output

110

(SB)

Ground

Amp. ON signal

Output

Ignition
switch
ON

Audio output

Battery voltage

112

(BR/W)

118

(BR/Y)

Rear LH pre-amp. audio
signal

Output

Ignition
switch
ON

Audio output

113

(BR)

119

(B)

Front LH pre-amp. audio
signal

Output

Ignition
switch
ON

Audio output

Terminal

(Wire color)

Description

Condition

Reference value

(Approx.)

+

–

Signal name

Input/

Output

SKIA6649J

SKIB3609E

SKIB3609E

SKIB3609E

SKIB3609E

2009 Pathfinder