Infiniti F50. Manual - part 317

VEHICLE INFORMATION AND INTEGRATED SWITCH SYSTEM /WITHOUT 

NAVIGATION SYSTEM

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SELF-DIAGNOSIS RESULT 
Quick reference table

1.

Select an applicable diagnosis No. in the diagnosis result quick reference table.

2.

Find estimated malfunctioning system in the diagnosis No. table and perform check by referring to 

DI-95,

"Wiring Diagram — COMM —"

 .

3.

Turn the ignition switch to OFF and perform self-diagnosis again.

●

*1: Center control unit = AV control unit

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*2: Audio amp. = BOSE speaker amp.

CAUTION:

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When multifunction switch has a malfunction, you cannot start.

●

Check the following when the self-diagnosis mode you cannot use.

–

AV communication line between AV control unit and Display, AV communication line between Dis-
play and multifunction switch.

–

multifunction switch power supply and ground circuit

●

When an error is in the AV communication line, it cannot be detected on the screen because self-
diagnosis is inoperative. However, the error can be detected with CONSULT-II.

Screen switch

Diagnosis 

No.

Switch 

color

Center 
control 

unit

*1

Display

Tire pres-

sure con-

trol unit

Audio unit

CD auto 
changer

Audio 

amp.

*2

Rearview 

Camera Con-

trol Unit

Voice acti-
vated con-

trol module

Red

×

1

Yellow

×

×

2

×

×

3

×

×

×

4

×

5

×

×

6

×

×

7

×

×

8

×

×

×

9

×

×

×

×

×

10

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VEHICLE INFORMATION AND INTEGRATED SWITCH SYSTEM /WITHOUT 

NAVIGATION SYSTEM

Self-diagnosis codes

Diagnosis 

No.

Possible cause

1

AV control unit malfunction

2

Display power supply and ground circuit

3

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Low tire pressure warning control unit power supply and ground circuit, 

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AV communication line between low tire pressure warning control unit and multifunction switch.

4

Audio unit power supply and ground circuit

5

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CD auto changer power supply and ground circuit

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 AV communication line between CD auto changer and audio unit.

6

BOSE speaker amp. power supply and ground circuit.

7

Rear view camera control unit power supply and ground circuit.

8

Voice activated control module power supply and ground circuit. 

9

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AV communication line between BOSE speaker amp. and audio unit. 

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BOSE speaker amp. internal communication circuit.

10

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AV communication line between audio unit and multifunction switch.

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Audio control unit communication circuit.

VEHICLE INFORMATION AND INTEGRATED SWITCH SYSTEM /WITHOUT 

NAVIGATION SYSTEM

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Confirmation/Adjustment Mode

EKS006R0

OPERATION PROCEDURE 

1.

Start the engine.

2.

Turn the audio system off.

3.

While pressing the “INFO” switch, turn the volume control dial
clockwise 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 “PREV” switch.

4.

The initial trouble diagnosis screen will be shown, and items
“SELF DIAGNOSIS” and “Confirmation/Adjustment” will become
selective.

5.

When “Confirmation/Adjustment” is selected on the initial trouble
diagnosis screen, the operation will enter the CONFIRMATION/
ADJUSTMENT mode. In this mode, check and adjustment of
each item will become possible.

6.

Select each switch on “Confirmation/Adjustment” screen to dis-
play the relevant diagnosis screen.

SKIA3512E

SKIA0381E

SKIA3740E

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VEHICLE INFORMATION AND INTEGRATED SWITCH SYSTEM /WITHOUT 

NAVIGATION SYSTEM

DISPLAY DIAGNOSIS 

CAUTION:

When DISPLAY COLOR SPECTRUM BAR screen is completed after “PREV” switch is pressed, the
screen color changes once. This is normal.

●

When RGB signal error occurred in the RGB system, tone of the color bar will change as follows.

●

When the color of the screen looks unusual, refer to 

DI-124, "Color of RGB Image is not Proper"

 .

SKIA0362E

R (red) signal error

: Screen looks bluish

G (green) signal error

: Screen looks yellowish

B (blue) signal error

: Screen looks reddish