2007 INFINITI FX35 ACC

AV-124
NAVIGATION SYSTEM
Revision: 2006 July 2007 FX35/FX45
7. On the diagnosis results screen, each unit name and connection
line will be colored according to the diagnosis result, as follows.
NOTE:

Satellite = Satellite radio tuner

DCU = Display control unit

Multifunction switch = A/C and AV switch

Navigation = NAVI control unit

GPS = GPS antenna

If multiple malfunctions occur at the same time for a single unit, the screen switch colors are determined
according to the following order of priority: red > yellow > gray.
8. Select a switch on the diagnosis results screen, and comments for the diagnosis results will be shown.
SELF-DIAGNOSIS RESULT
Quick Reference Table
1. Select the applicable diagnosis number in the quick reference table of diagnosis result.
2. Confirm the possible malfunction with the diagnosis table, and then perform inspection.
3. Turn ignition switch OFF and perform self-diagnosis again.

When A/C and AV switch has a malfunction, the self-diagnosis cannot be started. Refer to AV- 1 3 7 , "A/C
and AV Switch Self-Diagnosis Function" .

When display has a malfunction, the self-diagnosis cannot be started. Refer to AV-141, "All Images Are
Not Displayed" .
Green : No malfunctioning.
Gray : Cannot be judged by self-diagnosis results.
Red : Unit is malfunctioning.
SKIB7875E
SKIA4211E
Switch color Screen switch
Diagnosis
No.
DCU Display Audio Unit Navigation GPS Satellite
Red × 1
Gray ×
2
×× 3
×× 4
× 5
× 6

AV-126
NAVIGATION SYSTEM
Revision: 2006 July 2007 FX35/FX45
Self-Diagnosis Mode (NAVI)NKS003KG
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)”, “Self Diagnosis (NAVI)”, “Confirmation/
Adjustment” and “CAN DIAG SUPPORT MONITOR” will
become selective.
NOTE:
Select “Self Diagnosis (DCU)” when “Self Diagnosis (NAVI)” is
not available. Repair malfunctioning part.
5. Perform self-diagnosis by selecting the “Self Diagnosis (NAVI)”.

Self-diagnosis screen is displayed, and then self-diagnosis
starts.

The bar graph visible below self-diagnosis screen displays
progress of the diagnosis.
6. On the diagnosis results screen, each unit name and connection line will be colored according to the diagnosis result, as follows.
NOTE:

Control unit = NAVI control unit

Only Control unit (NAVI control unit) is displayed in red.

If multiple malfunctions occur at the same time for a single unit, the screen switch colors are determined
according to the following order of priority: red > yellow > gray.
SKIB8642E
SKIB7874E
SKIB6972E
Diagnosis results Unit Connection line
Normal Green Green
Connection malfunction Gray Yellow
DVD-ROM drive undiagnosed Gray Green
DVD-ROM and DVD-ROM drive malfunction Yellow Green
Unit returned an error Red Green
SKIB7772E

AV-130
NAVIGATION SYSTEM
Revision: 2006 July 2007 FX35/FX45
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.

If RGB signal is malfunctioning, the tint of the color bar display is as follows.
VEHICLE SIGNALS
A comparison check can be made of each actual vehicle signal and
the signals recognized by the display control unit.
NOTE:
In case of confirming light signal, set the following D/N mode to ON/
OFF of lighting switch (normal setting).

OFF: D (Day mode)

ON: N (Night mode)
Unless above setting, light signal (ON/OFF) may not be accurately
displayed. R (red) signal error : Light blue (Cyan) tint
G (green) signal error : Purple (Magenta) tint
B (blue) signal error : Yellow tint
SKIB7777E
SKIB7778E
Diagnosis item Display Condition Remarks
Vehicle Speed ON When vehicle speed is more than 0 km/h (0 MPH)
Changes in indication may be delayed.
This is normal.
OFF When vehicle speed is 0 km/h (0 MPH)
— Ignition switch in ACC position
IGN ON Ignition switch ON
—
OFF Ignition switch ACC position
Reverse ON Selector lever in R position
Changes in indication may be delayed.
This is normal.
OFF Selector lever in any position other than R position
— Ignition switch in ACC position
IVCS OFF — This vehicle does not use it.
Light ON Lighting switch ON
—
OFF Lighting switch OFF

AV-132
NAVIGATION SYSTEM
Revision: 2006 July 2007 FX35/FX45
Vehicle Signals
A comparison check can be made of each actual vehicle signal and
the signals recognized by the NAVI control unit.
Navigation
Steering Angle Adjustment
The steering angle output value detected by the gyroscope can be
adjusted.
Speed Calibration
Usually the automatic distance correction function adjusts the mal-
function in distance caused by the tires wearing down or the tire
pressure change. If prompt adjustment is necessary when the tire
chains are installed, etc., perform this procedure.
SKIB6977E
Diagnosis item Display Condition Remarks
Vehicle speed ON When vehicle speed is more than 0 km/h (0 MPH)
Changes in indication may be delayed.
This is normal.
OFF When vehicle speed is 0 km/h (0 MPH)
— Ignition switch in ACC position
Lights ON Lighting switch ON
—
OFF Lighting switch OFF
Ignition ON Ignition switch ON
—
OFF Ignition switch ACC position
Reverse ON Selector lever in R position
Changes in indication may be delayed.
This is normal.
OFF Selector lever in any position other than R position
— Ignition switch in ACC position
SKIB3684E
SKIB3685E

NAVIGATION SYSTEM AV-137
C
D E
F
G H
I
J
L
M A
B
AV
Revision: 2006 July 2007 FX35/FX45
A/C and AV Switch Self-Diagnosis FunctionNKS003KJ
Performing self-diagnosis makes it possible to check operation of A/C and AV switch indicator (LED) and other
switch.
STARTING THE SELF-DIAGNOSIS MODE
1. Turn ignition switch from OFF to ACC.
2. Within 10 seconds press and hold the switches “1” and “6” simultaneously for 3 seconds.
DIAGNOSIS FUNCTION
The following are checked:

All the indicators (LED) in the A/C and AV switch.

Continuity of the switches by sounding the buzzer when the A/C and AV switch and audio steering wheel
switch is pressed.

Continuity of harness between A/C and AV switch and audio steering wheel switch.
NOTE:
Rear window defogger switch operation is not checked (No beep sound even under normal status).
EXITING THE SELF-DIAGNOSIS MODE

Turn ignition switch OFF.
SKIB8660E

NAVIGATION SYSTEM AV-139
C
D E
F
G H
I
J
L
M A
B
AV
Revision: 2006 July 2007 FX35/FX45
Unable to Operate System with A/C and AV SwitchNKS003KN
Symptom: Unable to operate A/C system, audio system and navigation system with A/C and AV switch.
(Unable to start self-diagnosis.)
1. CHECK CONDITION
1. Turn ignition switch ON.
2. Check if an image is displayed on the screen.
Is an image displayed on the screen?
YES >> GO TO 2.
NO >> Repair malfunctioning part. Refer to AV- 1 4 1 , "
All Images Are Not Displayed" .
2. SELF-DIAGNOSIS OF A/C AND AV SWITCH
Start self-diagnosis of A/C and AV switch, and check the self-diagnosis result. Refer to AV- 1 3 7 , "
A/C and AV
Switch Self-Diagnosis Function" .
OK or NG
OK >> GO TO 4.
NG >> GO TO 3.
3. CHECK A/C AND AV SWITCH POWER SUPPLY AND GROUND CIRCUIT
1. Check voltage between A/C and AV switch harness connector terminals and ground.
2. Turn ignition switch OFF.
3. Disconnect A/C and AV switch connector.
4. Check continuity between A/C and AV switch harness connector M64 terminal 5 and ground.
OK or NG
OK >> Replace A/C and AV switch.
NG >> Repair harness or connector.
Te r m i n a l s
OFF ACC ON
(+)
(–)
Connector Terminal
M64 1
Ground Battery
voltage Battery
voltage Battery
voltage
20 V Battery
voltage Battery
voltage
5 – Ground : Continuity should exist.
SKIB7836E
SKIB7837E

AV-142
NAVIGATION SYSTEM
Revision: 2006 July 2007 FX35/FX45
4. CHECK DISPLAY POWER SUPPLY AND GROUND CIRCUIT (INVERTER AND SIGNAL)
1. Connect display control unit and display connectors.
2. Turn ignition switch ON.
3. Check voltage between display control unit harness connector M75 terminals 2 and 5.
4. Check voltage between display control unit harness connector M75 terminals 4 and 7.
OK or NG
OK >> Replace display.
NG >> Replace display control unit.
5. CHECK DISPLAY CONTROL UNIT POWER SUPPLY AND GROUND CIRCUIT
1. Check voltage between display control unit harness connector terminals and ground.
2. Turn ignition switch OFF.
3. Disconnect display control unit connector.
4. Check continuity between display control unit harness connector M75 terminal 3 and ground.
OK or NG
OK >> Replace display control unit.
NG >> Repair harness or connector. 2 – 5 : Approx. 9 V
SKIB7841E
4 – 7 : Approx. 9 V
SKIB7842E
Terminals
OFF ACC ON
(+)
(–)
Connector Terminal
M75 1
Ground Battery
voltage Battery
voltage Battery
voltage
10 0 V Battery
voltage Battery
voltage
3 – Ground : Continuity should exist.
SKIB7843E
SKIB7844E

NAVIGATION SYSTEM AV-145
C
D E
F
G H
I
J
L
M A
B
AV
Revision: 2006 July 2007 FX35/FX45
Tint Is Strange for The RGB ImageNKS003KS
Symptom: Tint of all RGB images is strange.
1. CHECK HARNESS
1. Turn ignition switch OFF.
2. Disconnect display control unit and display connectors.
3. Check the malfunctioning circuit according to the symptoms.

Light blue (Cyan) tinged screen
Check continuity between display control unit harness connector
(A) M76 terminal 50 and display harness connector (B) M63 ter-
minal 17.
Check continuity between display control unit harness connector
(A) M76 terminal 50 and ground.

Purple (Magenta) tinged screen
Check continuity between display control unit harness connector
(A) M76 terminal 52 and display harness connector (B) M63 ter-
minal 6.
Check continuity between display control unit harness connector
(A) M76 terminal 52 and ground.

Yellow tinged screen
Check continuity between display control unit harness connector
(A) M76 terminal 54 and display harness connector (B) M63 ter-
minal 18.
Check continuity between display control unit harness connector
(A) M76 terminal 54 and ground.
OK or NG
OK >> GO TO 2.
NG >> Repair harness or connector. 50 – 17 : Continuity should exist.
50 – Ground : Continuity should not exist.
SKIB7853E
52 – 6 : Continuity should exist.
52 – Ground : Continuity should not exist.
SKIB7854E
54 – 18 : Continuity should exist.
54 – Ground : Continuity should not exist.
SKIB7855E