Infiniti FX35 / FX45. Manual - part 154

AV-70

< SERVICE INFORMATION >

INTEGRATED DISPLAY SYSTEM

6 (Y)

Ground

RGB signal (G: green)

Input

ON

Start Confirmation/Adjust-
ment mode, and then dis-
play color bar by selecting 
“Display Color Spectrum 
Bar” on Display Diagnosis 
screen

7

—

Shield

—

—

—

—

8 (R)

Ground

Horizontal
synchronizing (HP) 
signal

Output

ON

—

9 (B)

Ground

RGB area (YS) signal

Input

ON

Set the selector lever in R 
position, and then display 
the rear view image

11 (PU)

Ground

Communication signal
(DCU-DSP)

Input

ON

—

13 (P)

Ground

Ground (Inverter)

—

ON

—

Approx. 0 V

14 (P/L)

Ground

Ground (Signal)

—

ON

—

Approx. 0 V

17 (G)

Ground

RGB signal (R: red)

Input

ON

Start Confirmation/Adjust-
ment mode, and then dis-
play color bar by selecting 
“Display Color Spectrum 
Bar” on Display Diagnosis 
screen

18 (L)

Ground

RGB signal (B: blue)

Input

ON

Start Confirmation/Adjust-
ment mode, and then dis-
play color bar by selecting 
“Display Color Spectrum 
Bar” on Display Diagnosis 
screen

Terminal 

(Wire color)

Item

Signal 

input/

output

Condition

Reference value

+

–

Ignition 

switch

Operation

SKIB7770E

SKIB3601E

SKIB3599E

SKIB3607E

SKIB7769E

SKIB7771E

INTEGRATED DISPLAY SYSTEM

AV-71

< SERVICE INFORMATION >

C

D

E

F

G

H

I

J

L

M

A

B

AV

N

O

P

Terminal and Reference Value for A/C and AV Switch

INFOID:0000000001328720

19 (G)

Ground

RGB synchronizing 
signal

Input

ON

When displaying RGB im-
age

20 (W)

Ground

Vertical
synchronizing (VP) 
signal

Output

ON

—

21

—

Shield

—

—

—

—

22 (LG)

Ground

Communication signal
(DSP-DCU)

Output

ON

—

23

—

Shield

—

—

—

—

Terminal 

(Wire color)

Item

Signal 

input/

output

Condition

Reference value

+

–

Ignition 

switch

Operation

SKIB3603E

SKIB3598E

SKIB3606E

Terminal

(Wire color)

Item

Signal 

input/

output

Condition

Reference value

+

–

Ignition 

switch

Operation

1 (W/L)

Ground

Battery power supply

Input

OFF

—

Battery voltage

2 (LG)

Ground

ACC power supply

Input

ACC

—

Battery voltage

5 (B)

Ground

Ground

—

ON

—

Approx. 0 V

6 (PU)

Ground

Communication
signal (+)

Input/

Output

ON

—

7

—

Shield

—

—

—

—

SKIB7378E

AV-72

< SERVICE INFORMATION >

INTEGRATED DISPLAY SYSTEM

• *1: With telephone system

• *2: Without  telephone system

Special Note for Trouble Diagnosis

INFOID:0000000001328721

Prior to performing trouble diagnosis, make sure there are no corresponding description in the “Example of
Symptoms Possible No Malfunction”. Refer to 

AV-86, "Example of Symptom Possible No Malfunction"

.

On Board Self-Diagnosis Function

INFOID:0000000001328722

DESCRIPTION

• Trouble diagnosis function of navigation system has a Self Diagnosis mode by automatic operation and a

Confirmation/Adjustment mode by manual operation.

• Self Diagnosis mode checks for connections between the units constituting this system, analyzes each indi-

vidual unit at the same time, and displays the results on the display.

• Confirmation/Adjustment mode displays trouble diagnosis that require an operation and a judgment by a

human (auto-decision cannot be performed by the system), confirmation of preset value, and an error his-
tory.

DIAGNOSIS ITEM

8 (LG)

Ground

Communication
signal (–)

Input/

Output

ON

—

12 (R/W)

Ground

Steering SW A

Input

ON

Press and hold PTT

*1

  

switch

Approx. 0 V

Press and hold MODE

*2

  

switch

Approx. 0 V

Press and hold SEEK UP 
switch

Approx. 1.7 V

Press and hold VOL UP 
switch

Approx. 3.3 V

Except for above

Approx. 5 V

13 (G/W)

Ground

Steering SW B

Input

ON

Press and hold MODE

*1

  

switch

Approx. 0 V

Press and hold POWER

*2

  

switch

Approx. 0 V

Press and hold SEEK 
DOWN switch

Approx. 1.7 V

Press and hold VOL DOWN 
switch

Approx. 3.3 V

Except for above

Approx. 5 V

14 (B/Y)

Ground

Steering SW ground

—

ON

—

Approx. 0 V

Terminal

(Wire color)

Item

Signal 

input/

output

Condition

Reference value

+

–

Ignition 

switch

Operation

SKIB7379E

INTEGRATED DISPLAY SYSTEM

AV-73

< SERVICE INFORMATION >

C

D

E

F

G

H

I

J

L

M

A

B

AV

N

O

P

Self-Diagnosis Mode (DCU)

INFOID:0000000001328723

OPERATION PROCEDURE

1.

Start the engine.

2.

Turn the audio system OFF.

3.

While pressing the “4” button, turn the volume control dial clock-
wise or counterclockwise for 30 clicks or more. (When the self-
diagnosis mode is started, a short beep will be heard.)
• Shifting from current screen to previous screen is performed

by pressing “BACK” button.

4.

The initial trouble diagnosis screen will be shown, and items
“Self Diagnosis (DCU)”, “Confirmation/Adjustment” and “CAN
DIAG SUPPORT MONITOR” will become selective.

5.

Perform self-diagnosis by selecting the “Self Diagnosis (DCU)”.
• Self-diagnosis screen is displayed, and then self-diagnosis

starts.

• The bar graph visible below self-diagnosis screen displays

progress of the diagnosis.

Mode

Description

Self Diagnosis (DCU)

• Display control unit diagnosis
• Analyzes connection between the display control unit and each unit, and 

operation of each unit.

Confirmation/
Adjustment

Display Diagnosis

Color tone and shading of the display control unit-generated image can be 
checked by the display of a color bar and a gray scale.

Vehicle Signals

Diagnosis of signals that are input to display control unit can be performed 
for Vehicle Speed, IGN, Reverse and Light.

Auto Climate Control

Refer to 

ATC-43, "Self-Diagnosis Function"

.

CAN DIAG SUPPOPT MONITOR

The transmitting/receiving of CAN communication can be monitored.

SKIB8743E

SKIB7871E

SKIA4208E