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Infiniti FX35, FX50 (S51). Manual - part 106

AV CONTROL UNIT

AV-197

< ECU DIAGNOSIS INFORMATION >

[NAVIGATION (SINGLE MONITOR)]

(R)

Ground

Composite image signal

Output

Ignition

switch

At DVD image is displayed.

—

Microphone shield

—

(G)

Ground

Microphone VCC

Output

Ignition

switch

—

5.0 V

(R)

Ground

Communication signal
(CONT

→

DISP)

Output

Ignition

switch

When adjusting display
brightness.

(P)

—

CAN–L

Input/

Output

—

(LG)

—

AV communication signal
(L)

Input/

Output

—

(LG)

—

AV communication signal
(L)

Input/

Output

—

(R)

Ground

Illumination signal

Input

Ignition

switch

OFF

Lighting switch is OFF.

0 V

Lighting switch is ON.

12.0 V

(G)

Ground

Ignition signal

Input

Ignition

switch

—

Battery voltage

(O)

Ground

Reverse signal

Input

Ignition

switch

R position

12.0 V

Other than R position

0 V

(R)

Ground

Vehicle speed signal (8-
pulse)

Input

Ignition

switch

When vehicle speed is ap-
prox. 40 km/h (25 MPH)

NOTE:
Maximum voltage may be 12.0 V
due to specifications (connected
units).

—

Shield

—

Terminal

(Wire color)

Description

Condition

Reference value

(Approx.)

–

Signal name

Input/

Output

SKIB2251J

PKIB5039J

SKIA6649J

AV-198

< ECU DIAGNOSIS INFORMATION >

[NAVIGATION (SINGLE MONITOR)]

AV CONTROL UNIT

(W)

Ground

Composite image synchro-
nizing signal

Output

Ignition

switch

—

(R)

Microphone signal

Input

Ignition

switch

Give a voice

—

Shield

—

(G)

Ground

Communication signal
(DISP

→

CONT)

Input

Ignition

switch

When adjusting display
brightness.

(L)

—

CAN–H

Input/

Output

—

(SB)

—

AV communication signal
(H)

Input/

Output

—

(SB)

—

AV communication signal
(H)

Input/

Output

—

104
(W)

119

(B)

AUX sound signal LH

Input

Ignition

switch

When AUX mode is select-
ed.

117

—

Shield

—

118

(R)

119

(B)

AUX sound signal RH

Input

Ignition

switch

When AUX mode is select-
ed.

129

(G)

—

USB ground

—

130

(R)

—

USB D

−

signal

Input/

Output

—

Terminal

(Wire color)

Description

Condition

Reference value

(Approx.)

–

Signal name

Input/

Output

SKIB0825E

PKIB5037J

PKIB5039J

SKIB3609E

AV CONTROL UNIT

AV-199

< ECU DIAGNOSIS INFORMATION >

[NAVIGATION (SINGLE MONITOR)]

Fail-Safe

INFOID:0000000005475066

When the ambiance temperature becomes extremely low or extremely high, AV control unit displays the mes-
sage and limits the AV control unit function.

FAIL-SAFE CONDITIONS

When the ambiance temperature is

−

C (

−

F) or lower, or when it is 70

C (158

F) or higher

Display

The messages displayed on fail-safe conditions are as shown below:

DESCRIPTION OF CONTROLS

131
(W)

—

V BUS signal

Output

—

132

(L)

—

USB D+ signal

Input/

Output

—

133

—

Shield

—

150

—

FM sub

Input

—

151

—

AM-FM main

Input

—

152

Ground

Antenna amp. ON signal

Input

Ignition

switch

—

12.0 V

153

Ground

GPS antenna signal

Input

Ignition

switch

ACC

Not connected GPS anten-
na connector.

5.0 V

154

—

Shield

—

157

Ground

RGB digital image signal
(

−

)

Output

Ignition

switch

Not connected connector.

3.0 V

158

Ground

RGB digital image signal
(+)

Output

Ignition

switch

Not connected connector.

3.0 V

159

Ground

Satellite antenna signal

Input

Ignition

switch

ACC

Not connected to satellite
antenna connector.

4.0 V

Terminal

(Wire color)

Description

Condition

Reference value

(Approx.)

–

Signal name

Input/

Output

Fail-safe mode

Display (display of the fail-safe condition)

When HDD temperature is low

HDD system is experiencing problems due to extreme low temperature.
Normal operation will resume when temperature rises.

When HDD temperature is high

HDD system is experiencing problems due to extreme high temperature.
Normal operation will resume when temperature drops.

Function

When Fail-safe Function is activated

Air conditioner

Operation

Only multifunction switch (preset switch) can be operated.

Display

• LED of multifunction switch (preset switch) illuminates.
• Aimed temperature, blow angle, and flow rate are displayed in simplified mode.

Audio

Operation

Only ON/OFF and volume control operations by multifunction switch (preset switch) are possible.

Display

No display (“Fail-safe mode” is displayed)

Camera

Operation

Image tone cannot be controlled.

Display

Cannot be superimposed. (warning display, tone control display)

Hands-free phone

Operation

Cannot be operated.

AV-200

< ECU DIAGNOSIS INFORMATION >

[NAVIGATION (SINGLE MONITOR)]

AV CONTROL UNIT

Ability Operation Mode

There is an ability operation mode for Fail-safes due to low or high ambiance temperature.
If HDD data can be read, fail-safe is shown, then normal displays are displayed only for functions which can be
operated.

RELEASE CONDITIONS OF FAIL-SAFE

Fail-safe is released on following conditions and normal mode is restored.

When The Temperature of HDD Is Low or High

If the ambient temperature becomes out of fail-safe condition range, normal mode is restored.

DTC Index

INFOID:0000000005474747

SELF-DIAGNOSIS RESULTS DISPLAY ITEM

Navigation

Operation

Cannot be operated.

Self diagnosis

The display in simplified mode of fail-safe condition