Infiniti F50. Manual - part 316

VEHICLE INFORMATION AND INTEGRATED SWITCH SYSTEM /WITHOUT 

NAVIGATION SYSTEM

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16

W

Ground

Communication signal (-)

ON

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17

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Ground

Shield ground

—

—

—

Terminals

Signal

Condition

Reference value 

(+)

(–)

Terminal 

No.

Wire 

color

Ignition 

switch

Operation

SKIA0176E

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VEHICLE INFORMATION AND INTEGRATED SWITCH SYSTEM /WITHOUT 

NAVIGATION SYSTEM

On Board Self-Diagnosis Function (without CONSULT-II)

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DESCRIPTION 

●

Diagnosis function consists of the self-diagnosis mode performed automatically and the CONFIRMATION/
ADJUSTMENT mode operated manually.

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Self-diagnosis mode checks for connections between the units constituting this system, analyzes each
individual unit at the same time, and displays the results on the LCD screen.

●

CONFIRMATION/ADJUSTMENT mode is used to perform trouble diagnosis that require operation and
judgment by an operator (malfunction that cannot be automatically judged by the system), to check/
change the set value, and to display the History of Errors of the navigation system.

DIAGNOSIS ITEM 

Mode

Description

Self-diagnosis

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AV control unit diagnosis (DVD-ROM drive will not be diagnosed when no map DVD-
ROM is in it.).

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Analyzes connection between the AV control unit and the GPS antenna, connection 
between the AV control unit and each unit, and operation of each unit.

CONFIRMATION/
ADJUSTMENT

Display Diagnosis

Color tone and shading of the screen can be checked by the display of a color bar and a 
gray scale.

Vehicle Signals

Analyzes the following vehicle signals: Vehicle speed signal, parking brake signal, light 
signal, ignition switch signal, and reverse signal.

Speaker Test

Checks the connection of each speaker using a test tone.

Auto Climate Control

Turns all A/C screens on display and A/C switch indicator lamp on.

Rear View Camera

Changes position of the aiming line overlapped on the rear view image.

VEHICLE INFORMATION AND INTEGRATED SWITCH SYSTEM /WITHOUT 

NAVIGATION SYSTEM

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Self-Diagnosis Mode

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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.

Perform self-diagnosis by selecting the “SELF DIAGNOSIS”.

●

Self-diagnosis subdivision screen will be shown and the oper-
ation enters the self-diagnosis mode.

●

A bar graph shown below the self-diagnosis subdivision
screen indicates progress of the diagnosis.

6.

When the self-diagnosis completes, optional part confirmation
screen will be shown.

●

When connection of an optional part is judged poor, a screen
to check if the optional part is actually fitted on the vehicle or
not will be shown. When fitted, select the switch of the part on
the screen and press “END”. Then the “SELF DIAGNOISIS”
screen will be shown.

●

When the optional part is connected normally, the switch for
the part will not appear on the screen.

SKIA3512E

SKIA0381E

SKIA0382E

SKIA3513E

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VEHICLE INFORMATION AND INTEGRATED SWITCH SYSTEM /WITHOUT 

NAVIGATION SYSTEM

7.

On the “SELF DIAGNOSIS” screen, each unit name will be col-
ored according to the diagnosis result, as follows.

●

If several malfunctions are present in a unit, color of its switch
on the screen will be either red or yellow determined by the
malfunction of the highest priority.

CAUTION:

“Tire Pressure Control Unit” on the screen will be illumi-
nated in yellow when performing self-diagnosis with ignition switch in ACC position.

8.

Select a switch on the “SELF DIAGNOSIS” screen and com-
ments for the diagnosis results will be shown.

●

When the switch is green, the following comment will be
shown. “Self-diagnosis was successful. Further diagnosis and
adjustments are recommended. Follow the “confirmation and
adjustments” menu or refer to the service manual.”.

●

When the switch is yellow, the following comment will be
shown. “Connection to the following unit is abnormal. See the
Service Manual for further details”.

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When the switch is red, the following comment will be shown.
“Center Control Unit is abnormal”.

Green

: No malfunctioning.

Yellow

: Cannot be judged by self-diagnosis results.

Red

: Unit is malfunctioning.

SKIA3875E

SKIA0385E