Infiniti G37 Coupe. Manual - part 81

AV

AV CONTROL UNIT

AV-77

< ECU DIAGNOSIS >

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C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

DTC

Display item

Refer to

U1000

CAN COMM CIRCUIT [U1000]

AV-29, "Diagnosis Procedure"

U1010

CONTROL UNIT (CAN) [U1010]

AV-30, "Diagnosis Procedure"

U1310

CONTROL UNIT (AV) [U1310]

AV-31, "DTC Logic"

U1200

Control Unit FLASH-ROM [U1200]

AV-32, "DTC Logic"

U1216

CAN CONT [U1216]

AV-33, "DTC Logic"

U1243

FRONT DISP CONN [U1243]

AV-34, "Diagnosis Procedure"

U1255

SAT CONN [U1255]

AV-36, "Diagnosis Procedure"

U1300
U1240

• AV COMM CIRCUIT [U1300]
• SWITCH CONN [U1240]

AV-38, "Description"

AV-78

< ECU DIAGNOSIS >

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DISPLAY UNIT

DISPLAY UNIT

Reference Value

INFOID:0000000001605593

TERMINAL LAYOUT

PHYSICAL VALUES

JPNIA0006ZZ

Terminal

(Wire color)

Description

Condition

Reference value

(Approx.)

+

–

Signal name

Input/

Output

1

(B)

Ground

GND

—

Ignition 

switch 

ON 

—

0  V

2

(Y)

Ground

Inverter VCC

Input

Ignition 

switch 

ACC

—

9  V

3

(O)

Ground

Signal VCC

Input

Ignition 

switch 

ACC

—

9  V

4

(L)

Ground

AUX image GND

—

Ignition 

switch 

ON 

—

0  V

5

—

Shield

—

—

—

—

6

(L)

Ground

RGB signal (G: green)

Input

Ignition 

switch 

ON

Start confirmation/adjust-
ment mode, and then dis-
play color bar by selecting 
“Color Spectrum Bar” on 
DISPLAY DIAGNOSIS 
screen.

7

—

Shield

—

—

—

—

8

(LG)

Ground

Horizontal synchronizing 
(HP) signal

Output

Ignition 

switch 

ON

—

SKIB2236J

SKIB3601E

AV

DISPLAY UNIT

AV-79

< ECU DIAGNOSIS >

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C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

9

(P)

Ground

RGB area (YS) signal

Input

Ignition 

switch 

ON

At RGB image is displayed

5 V

At AUX image is displayed

11

(L)

Ground

Communication signal
(CONT

→

DISP)

Input

Ignition 

switch 

ON

When adjusting display-
brightness.

13

(BR)

Ground

Inverter GND

—

Ignition 

switch 

ON

—

0  V

14

(LG)

Ground

Signal GND

—

Ignition 

switch 

ON

—

0  V

15

(R)

Ground

AUX image signal

Input

Ignition 

switch 

ON

At AUX image is displayed

17

(G)

Ground

RGB signal (R: red)

Input

Ignition 

switch 

ON

Start confirmation/adjust-
ment mode, and then dis-
play color bar by selecting 
“Color Spectrum Bar” on 
DISPLAY DIAGNOSIS 
screen.

18

(P)

Ground

RGB signal (B: blue)

Input

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

PKIB4948J

PKIB5039J

SKIB2251J

SKIB2238J

SKIB2237J

AV-80

< ECU DIAGNOSIS >

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DISPLAY UNIT

19

(Y)

Ground

RGB synchronizing signal

Input

Ignition 

switch 

ON

—

20

(GR)

Ground

Vertical synchronizing (VP) 
signal

Output

Ignition 

switch 

On

—

21

—

Shield

—

—

—

—

22

(G)

Ground

Communication signal
(DISP

→

CONT)

Output

Ignition 

switch 

ON

When adjusting display-
brightness.

23

—

Shield

—

—

—

—

Terminal

(Wire color)

Description

Condition

Reference value

(Approx.)

+

–

Signal name

Input/

Output

SKIB3603E

SKIB3598E

PKIB5039J