Infiniti EX35. Manual — part 118

AV

AV CONTROL UNIT

AV-253

< ECU DIAGNOSIS >

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C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

ECU DIAGNOSIS

AV CONTROL UNIT

Reference Value

INFOID:0000000003508729

values on the diagnosis tool

consult-III 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

Light switch ON

—

Off

Light switch OFF

IGN SIG

On

Ignition switch ON

—

Off

Ignition switch in ACC position

REV SIG

On

Shift the selector lever to “R” position

Changes in indication may be delayed. This is nor-
mal.

Off

Shift the selector lever other than “R”
position

JPNIA0009ZZ

Terminal

(Wire color)

Description

Condition

Reference value

(Approx.)

+

–

Signal name

Input/

Output

6

(P)

15

(B)

Steering switch signal A

Input

Ignition

switch

ON

Keep pressing SOURCE
switch.

0 V

Keep pressing

switch.

0.7 V

Keep pressing

switch.

1.3 V

Keep pressing

switch.

2.0 V

Except for above.

3.3 V

7

(V)

Ground

ACC power supply

Input

Ignition

switch

ACC

—

Battery voltage

9

(R)

Ground

Illumination signal

Input

OFF

Lighting switch is OFF.

0 V

Lighting switch is ON.

12.0 V

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15

(B)

Ground

Steering switch signal
Ground

—

Ignition

switch

ON

—

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

22

(B)

21

(W)

Satellite radio sound signal
LH

Input

Ignition

switch

ON

When satellite radio mode
is selected.

24

(G)

23

(R)

Satellite radio sound signal
RH

Input

Ignition

switch

ON

When satellite radio mode
is selected.

25

—

Shield

—

—

—

—

26

—

Shield

—

—

—

—

27

(SB)

Ground

Mode change signal

Output

Ignition

switch

ON

Driver's Audio Stage ON

0 V

Driver's Audio Stage OFF

8.5 V

28

(W)

Ground

Request signal
(SAT

→

CONT)

Input

Ignition

switch

ON

When satellite radio mode
is selected.

29

(B)

Ground

Communication signal
(SAT

→

CONT)

Input

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

AV

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D

E

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G

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J

K

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M

B

A

O

P

30

(R)

Ground

Communication signal
(CONT

→

SAT)

Output

Ignition

switch

ON

When satellite radio mode
is selected.

33

—

FM sub

Input

—

—

—

34

—

AM–FM main

Input

—

—

—

35

Ground

Antenna amp. ON signal

Output

Ignition

switch

ACC

—

12.0 V

36

(SB)

Ground

Composite image signal

Output

Ignition

switch

ON

At AUX image display

37

(V)

Ground

Composite image ground

—

Ignition

switch

ON

—

0 V

38

(P)

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

(L)

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

(G)

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.

Terminal

(Wire color)

Description

Condition

Reference value

(Approx.)

+

–

Signal name

Input/

Output

SKIA9301J

SKIB2251J

SKIB2237J

SKIB2236J

SKIB2238J

AV-256

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41

(W)

Ground

RGB synchronizing signal

Output

Ignition

switch

ON

—

42

—

Shield

—

—

—

—

43

(B)

Ground

RGB area (YS) signal

Output

Ignition

switch

ON

At RGB image display

5.0 V

At AUX image display

44

(BR)

Ground

Communication signal
(DISP

→

CONT)

Input

Ignition

switch

ON

When adjusting display
brightness.

45

(R)

Ground

Horizontal synchronizing
(HP) signal

Input

Ignition

switch

ON

—

46

(LG)

Ground

Signal ground

—

Ignition

switch

ON

—

0 V

47

(O)

Ground

Signal VCC

Output

Ignition

switch

ACC

—

9.0 V

49

—

Shield

—

—

—

—

50

—

Shield

—

—

—

—

55

—

Shield

—

—

—

—

56

(Y)

Ground

Communication signal
(CONT

→

DISP)

Output

Ignition

switch

ON

When adjusting display
brightness.

Terminal

(Wire color)

Description

Condition

Reference value

(Approx.)

+

–

Signal name

Input/

Output

SKIB3603E

PKIB4948J

PKIB5039J

SKIB3601E

PKIB5039J