Infiniti FX35 / FX45. Manual - part 170

AV-134

< SERVICE INFORMATION >

NAVIGATION SYSTEM

Check continuity between NAVI control unit harness connector (A)
B207 terminal 44 and display control unit harness connector (B)
M76 terminal 44.

Check continuity between NAVI control unit harness connector (A)
B207 terminal 44 and ground.

• Purple (Magenta) tinged screen

Check continuity between NAVI control unit harness connector (A)
B207 terminal 45 and display control unit harness connector (B)
M76 terminal 46.

Check continuity between NAVI control unit harness connector (A)
B207 terminal 45 and ground.

• Yellow tinged screen

Check continuity between NAVI control unit harness connector (A)
B207 terminal 46 and display control unit harness connector (B)
M76 terminal 48.

Check continuity between NAVI control unit harness connector (A)
B207 terminal 46 and ground.

OK or NG

OK

>> GO TO 2.

NG

>> Repair harness or connector.

2.

CHECK RGB SIGNAL

1.

Connect NAVI control unit and display control unit connectors.

2.

Turn ignition switch ON.

3.

Start Confirmation/Adjustment (Navigation) mode. Refer to 

AV-119, "Confirmation/Adjustment Mode"

.

4.

Display color bar by selecting “Color Spectrum bar” on Display Diagnosis screen. Refer to 

AV-119, "Confir-

mation/Adjustment Mode"

.

5.

Check the malfunctioning circuit according to the symptoms.

• Light blue (Cyan) tinged screen

44 – 44

: Continuity should exist.

44 – Ground

: Continuity should not exist.

SKIB7859E

45 – 46

: Continuity should exist.

45 – Ground

: Continuity should not exist.

SKIB7860E

46 – 48

: Continuity should exist.

46 – Ground

: Continuity should not exist.

SKIB7861E

NAVIGATION SYSTEM

AV-135

< SERVICE INFORMATION >

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Check voltage waveform between NAVI control unit harness con-
nector B207 terminal 44 and ground with CONSULT-III or oscillo-
scope.

• Purple (Magenta) tinged screen

Check voltage waveform between NAVI control unit harness con-
nector B207 terminal 45 and ground with CONSULT-III or oscillo-
scope.

• Yellow tinged screen

Check voltage waveform between NAVI control unit harness con-
nector B207 terminal 46 and ground with CONSULT-III or oscillo-
scope.

OK or NG

OK

>> Replace display control unit.

NG

>> Replace NAVI control unit.

RGB Image Is Rolling

INFOID:0000000001328765

Symptom: Map screen is rolling.

1.

CHECK HARNESS

1.

Turn ignition switch OFF.

2.

Disconnect NAVI control unit and display control unit connectors.

44 – Ground:

SKIB6997E

SKIB7360E

45 – Ground:

SKIB6998E

SKIB7361E

46 – Ground:

SKIB6999E

SKIB7362E

AV-136

< SERVICE INFORMATION >

NAVIGATION SYSTEM

3.

Check continuity between NAVI control unit harness connector
(A) B207 terminal 48 and display control unit harness connector
(B) M76 terminal 43.

4.

Check continuity between NAVI control unit harness connector
(A) B207 terminal 48 and ground.

OK or NG

OK

>> GO TO 2.

NG

>> Repair harness or connector.

2.

CHECK RGB SYNCHRONIZING SIGNAL

1.

Connect NAVI control unit and display control unit connectors.

2.

Turn ignition switch ON.

3.

When displaying RGB image, check voltage waveform between
NAVI control unit harness connector B207 terminal 48 and
ground with CONSULT-III or oscilloscope.

OK or NG

OK

>> GO TO 3.

NG

>> Replace NAVI control unit.

3.

CHECK HARNESS

1.

Turn ignition switch OFF.

2.

Disconnect display control unit and display connectors.

3.

Check continuity between display control unit harness connector
(A) M76 terminal 56 and display harness connector (B) M63 ter-
minal 19.

4.

Check continuity between display control unit harness connector
(A) M76 terminal 56 and ground.

OK or NG

OK

>> GO TO 4.

NG

>> Repair harness or connector.

4.

CHECK RGB SYNCHRONIZING SIGNAL

1.

Connect display control unit and display connectors.

2.

Turn ignition switch ON.

48 – 43

: Continuity should exist.

48 – Ground

: Continuity should not exist.

SKIB7862E

48 – Ground:

SKIB7001E

SKIB3603E

56 – 19

: Continuity should exist.

56 – Ground

: Continuity should not exist.

SKIB7863E

NAVIGATION SYSTEM

AV-137

< SERVICE INFORMATION >

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3.

When displaying RGB image, check voltage waveform between
display control unit harness connector M76 terminal 56 and
ground with CONSULT-III or oscilloscope.

OK or NG

OK

>> Replace display.

NG

>> Replace display control unit.

Value for All Item in the TRIP Screen Do Not Change

INFOID:0000000001328766

Symptom: Values for items, “Elapsed Time”, “Driving Distance” and “Average Speed” in the TRIP screen do
not change. FUEL ECONOMY screen is not displayed when pressing “TRIP” button.

1.

 CHECK DISPLAY CONTROL UNIT IGNITION SIGNAL

Select “Vehicle Signals” in Confirmation/Adjustment mode, and check the ignition signal inputting to display
control unit. Refer to 

AV-119, "Confirmation/Adjustment Mode"

.

OK or NG

OK

>> Replace display control unit.

NG

>> Check display control unit ignition signal circuit, and repair malfunctioning part.

Value for Item, "Driving Distance" and "Average Speed" Do Not Change

INFOID:0000000001328767

Symptom: Values for Items, "Driving Distance" and "Average Speed" do not change. (The Value for "Elapsed
Time" Changes.)

1.

CHECK DISPLAY CONTROL UNIT VEHICLE SPEED SIGNAL

Select “Vehicle Signals” in Confirmation/Adjustment mode, and check the vehicle speed signal inputting to dis-
play control unit. Refer to 

AV-119, "Confirmation/Adjustment Mode"

.

OK or NG

OK

>> Replace display control unit.

NG

>> Check display control unit vehicle speed signal circuit, and repair malfunctioning part.

Value for All Item in the FUEL ECONOMY Screen Do Not Change

INFOID:0000000001328768

Symptom: Values for items, “Average Fuel Economy” and “Distance to Empty” in the FUEL ECONOMY screen
do not change.

1.

CHECK CONDITION

Check if values for all items in the TRIP screen change properly.
OK or NG

OK

>> GO TO 2.

NG

>> Repair malfunctioning part. Refer to

AV-137, "Value for All Item in the TRIP Screen Do Not

Change"

  or 

AV-137, "Value for Item, "Driving Distance" and "Average Speed" Do Not Change"

.

2.

CHECK CAN COMMUNICATION

Check CAN communication. Refer to 

AV-126, "CAN Communication Check"

.

OK or NG

OK

>> Replace display control unit.

NG

>> After filling out CAN DIAG SUPPORT MONITOR check sheet, Go to 

LAN-43, "CAN System Spec-

ification Chart"

.

56 – Ground:

SKIB7864E

SKIB3603E