Infiniti FX35, FX50 (S51). Manual - part 66

AV

AV CONTROL UNIT

AV-37

< ECU DIAGNOSIS INFORMATION >

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C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

7

(V)

Ground

ACC power supply

Input

Ignition 

switch 

ACC

—

Battery voltage

9

(R)

Ground

Illumination signal

Input

Ignition 

switch 

OFF

Lighting switch is OFF.

0 V

Lighting switch is ON.

12.0 V

16

(L)

15

(B)

Steering switch signal B

Input

Ignition 

switch 

ON

Keep pressing VOL DOWN 
switch.

0 V

Keep pressing VOL UP 
switch.

0.7 V

Keep pressing 

 switch.

1.3 V

Except for above.

3.3 V

19

(Y)

Ground

Battery power supply

Input

Ignition 

switch 

OFF

—

Battery voltage

20

(B)

Ground

Ground

—

Ignition 

switch 

ON 

—

0  V

36

(O)

Ground

Signal VCC

Output

Ignition 

switch 

ACC

—

8.8 V

37

(LG)

Ground

Signal ground

—

Ignition 

switch 

OFF

—

0  V

38

(R)

Ground

Horizontal synchronizing 
(HP) signal

Input

Ignition 

switch 

ON 

—

39

(BR)

Ground

Communication signal
(DISP

→

CONT)

Input

Ignition 

switch 

ON

When adjusting display 
brightness.

40

(B)

Ground

RGB area (YS) signal

Output

Ignition 

switch 

ON 

At RGB image is displayed.

5.0 V

At AUX image is displayed.

41

—

Shield

—

—

—

—

Terminal

(Wire color)

Description

Condition

Reference value

(Approx.)

+

–

Signal name

Input/

Output

SKIB3601E

PKIB5039J

PKIB4948J

AV-38

< ECU DIAGNOSIS INFORMATION >

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AV CONTROL UNIT

42

(G)

Ground

RGB synchronizing signal

Output

Ignition 

switch 

ON 

—

43

(B)

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.

44

(W)

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.

45

(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.

46

(V)

Ground

Composite image signal 
ground

—

Ignition 

switch 

ON

—

0  V

47

(SB)

Ground

Composite image signal

Output

Ignition 

switch 

ON

At camera image is dis-
played.

48

(Y)

Ground

Inverter VCC

Output

Ignition 

switch 

ACC

—

8.8  V

49

(BR)

Ground

Inverter ground

—

Ignition 

switch 

OFF

—

0  V

Terminal

(Wire color)

Description

Condition

Reference value

(Approx.)

+

–

Signal name

Input/

Output

SKIB3603E

JSNIA1029ZZ

JSNIA1030ZZ

JSNIA1031ZZ

SKIB2251J

AV

AV CONTROL UNIT

AV-39

< ECU DIAGNOSIS INFORMATION >

[WITHOUT NAVIGATION]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

50

(W)

Ground

Vertical synchronizing (VP) 
signal

Input

Ignition 

switch 

ON 

—

51

(Y)

Ground

Communication signal
(CONT

→

DISP)

Output

Ignition 

switch 

ON

When adjusting display 
brightness.

52

—

Shield

—

—

—

—

57

—

Shield

—

—

—

—

58

—

Shield

—

—

—

—

61

(Y)

Ground

AUX image signal

Input

Ignition 

switch 

ON 

At AUX image is displayed.

62

(W)

Ground

Camera image signal

Input

Ignition 

switch 

ON

At camera image is dis-
played.

63

—

Shield

—

—

—

—

69

(BR)

Ground

AUX image signal ground

—

Ignition 

switch 

ON 

—

0  V

70

—

Shield

—

—

—

—

72

(B)

—

Camera ground

—

Ignition 

switch 

ON

—

0  V

73

(R)

Ground

Camera power supply

Output

Ignition 

switch 

ON

At camera image is dis-
played.

76

(LG)

—

AV communication signal 
(L)

Input/

Output

—

—

—

Terminal

(Wire color)

Description

Condition

Reference value

(Approx.)

+

–

Signal name

Input/

Output

SKIB3598E

PKIB5039J

SKIB2251J

SKIB2251J

SKIB2251J

AV-40

< ECU DIAGNOSIS INFORMATION >

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AV CONTROL UNIT

77

(SB)

—

AV communication signal 
(H)

Input/

Output

—

—

—

78

(LG)

—

AV communication signal 
(L)

Input/

Output

—

—

—

79

(SB)

—

AV communication signal 
(H)

Input/

Output

—

—

—

80

(P)

—

CAN–L

Input/

Output

—

—

—

81

(L)

—

CAN–H

Input/

Output

—

—

—

82

(BR)

Ground

Switch ground

—

Ignition 

switch 

ON

—

0  V

86

—

Shield

—

—

—

—

87

(L)

88

(P)

TEL voice signal

Input

Ignition 

switch 

ON

During voice guide output 

with the 

 

 switch 

pressed.

92

(R)

Ground

Vehicle speed signal (8-
pulse) 

Input

Ignition 

switch 

ON

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

NOTE:
Maximum voltage may be 12.0 V 
due to specifications (connected 
units).

93

(V)

Ground

Parking brake signal

Input

Ignition 

switch 

ON

Parking brake is ON.

4.5 V

Parking brake is OFF.

0 V

94

(O)

Ground

Reverse signal

Input

Ignition 

switch 

ON

Shift the selector lever to R 
position.

12.0 V

Shift the selector lever oth-
er than R position.

0 V

95

(G)

Ground

Ignition signal

Input

Ignition 

switch 

ON

—

Battery voltage

96

(SB)

Ground

Disk eject signal

Input

Ignition 

switch 

ON

Pressing the eject switch.

0 V

Except for above.

5.0 V

Terminal

(Wire color)

Description

Condition

Reference value

(Approx.)

+

–

Signal name

Input/

Output

SKIB3609E

SKIA6649J