navigation INFINITI FX35 2006 Repair Manual

NAVIGATION SYSTEM AV-141
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Revision: 2006 December 2006 FX35/FX45
All Images Are Not DisplayedNKS003KO
Symptom: RGB image is not displayed.
1. CHECK CONDITION
When operating audio and air conditioner, make sure that they operate correctly.
Do audio and air conditioner operate normally?
YES >> GO TO 2.
NO >> GO TO 5.
2. CHECK DISPLAY GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect display connector.
3. Check continuity between display harness connector M63 termi- nal 1 and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair harness or connector.
3. CHECK HARNESS
1. Disconnect display control unit connector.
2. Check continuity between display control unit harness connector (A) M75 terminals 2, 4, 5, 7 and display harness connector (B)
M63 terminals 2, 3, 13, 14.
3. Check continuity between display control unit harness connector (A) M75 terminals 2, 4 and ground.
OK or NG
OK >> GO TO 4.
NG >> Repair harness or connector. 1 – Ground : Continuity should exist.
SKIB7839E
2 – 2 : Continuity should exist.
4 – 3 : Continuity should exist.
5 – 13 : Continuity should exist.
7 – 14 : Continuity should exist.
2, 4 – Ground : Continuity should not exist.
SKIB7840E

AV-142
NAVIGATION SYSTEM
Revision: 2006 December 2006 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-143
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Revision: 2006 December 2006 FX35/FX45
Status Screen for Audio and A/C Is Not Displayed When Showing Map ScreenNKS003KQ
Symptom: Status screen is not displayed in the lower portion of map screen when operating audio system and
A/C system.
1. 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 terminals 53, 55 and display harness connector (B)
M63 terminals 20, 8.
4. Check continuity between display control unit harness connector (A) M76 terminals 53, 55 and ground.
OK or NG
OK >> GO TO 2.
NG >> Repair harness or connector.
2. CHECK VERTICAL SYNCHRONIZING (VP) SIGNAL
1. Connect display control unit and display connectors.
2. Turn ignition switch ON.
3. Check voltage waveform between display control unit harness connector M76 terminal 53 and ground with CONSULT-II or
oscilloscope.
OK or NG
OK >> GO TO 3.
NG >> Replace display.
3. CHECK HORIZONTAL SYNCHRONIZING (HP) SIGNAL
Check voltage waveform between display control unit harness con-
nector M76 terminal 55 and ground with CONSULT-II or oscillo-
scope.
OK or NG
OK >> Replace display control unit.
NG >> Replace display. 53 – 20 : Continuity should exist.
55 – 8 : Continuity should exist.
53, 55 – Ground : Continuity should not exist.
SKIB7850E
53 – Ground:
SKIB7851ESKIB3598E
55 – Ground:
SKIB7852ESKIB3601E

AV-144
NAVIGATION SYSTEM
Revision: 2006 December 2006 FX35/FX45
Vehicle Mark Is Not Displayed ProperlyNKS003KR
Symptom: Vehicle mark is not displayed at the vehicle driving position properly.
1. NAVIGATION SYSTEM ADJUSTMENT
1. Select “Navigation” in Confirmation/Adjustment mode, and adjust items, “Steering Angle Adjustment” and “Speed Calibration”. Refer to AV- 1 3 2 , "
Navigation" .
2. Check symptom with driving.
Is any malfunction observed?
YES >> GO TO 2.
NO >> INSPECTION END
2. SELF-DIAGNOSIS OF NAVI
Start self-diagnosis of NAVI, and check any malfunction related to GPS. Refer to AV- 1 2 6 , "
Self-Diagnosis
Mode (NAVI)" .
Is any malfunction related to GPS observed?
YES >> Repair malfunctioning part.
NO >> GO TO 3.
3. CHECK VEHICLE SIGNAL
Select “Vehicle Signals” in Confirmation/Adjustment mode, and check the vehicle speed signal and reverse
signal inputting to NAVI control unit. Refer to AV- 1 3 0 , "
VEHICLE SIGNALS" .
OK or NG
OK >> Limit of position detection capacity.
NG >>

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

Check NAVI control unit reverse signal circuit, and repair malfunctioning part.

NAVIGATION SYSTEM AV-145
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Revision: 2006 December 2006 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

AV-146
NAVIGATION SYSTEM
Revision: 2006 December 2006 FX35/FX45
2. CHECK RGB SIGNAL
1. Connect display control unit and display connectors.
2. Turn ignition switch ON.
3. Start Confirmation/Adjustment mode. Refer to AV- 1 2 9 , "
Confirmation/Adjustment Mode" .
4. Display color bar by selecting “Display Color Spectrum Bar” on Display Diagnosis screen. Refer to AV-
130, "DISPLAY DIAGNOSIS" .
5. Check the malfunctioning circuit according to the symptoms.

Light blue (Cyan) tinged screen
Check voltage waveform between display control unit harness
connector M76 terminal 50 and ground with CONSULT-II or
oscilloscope.

Purple (Magenta) tinged screen
Check voltage waveform between display control unit harness
connector M76 terminal 52 and ground with CONSULT-II or
oscilloscope.

Yellow tinged screen
Check voltage waveform between display control unit harness
connector M76 terminal 54 and ground with CONSULT-II or
oscilloscope.
OK or NG
OK >> Replace display.
NG >> Replace display control unit. 50 – Ground:
SKIB7856ESKIB7769E
52 – Ground:
SKIB7857ESKIB7770E
54 – Ground:
SKIB7858ESKIB7771E

NAVIGATION SYSTEM AV-147
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Revision: 2006 December 2006 FX35/FX45
Tint Is Strange for The RGB Image (Only NAVI Screen)NKS003KT
Symptom: Tint of map screen is strange. (Status screen for audio and A/C, TRIP screen and FUEL ECON-
OMY screen are normal.)
1. CHECK HARNESS
1. Turn ignition switch OFF.
2. Disconnect NAVI control unit and display unit connectors.
3. Check the malfunctioning circuit according to the symptoms.

Light blue (Cyan) tinged screen
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. 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

AV-148
NAVIGATION SYSTEM
Revision: 2006 December 2006 FX35/FX45
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- 1 2 9 , "
Confirmation/Adjustment Mode" .
4. Display color bar by selecting “Color Spectrum bar” on Display Diagnosis screen. Refer to AV- 1 3 1 , "
Dis-
play Diagnosis" .
5. Check the malfunctioning circuit according to the symptoms.

Light blue (Cyan) tinged screen
Check voltage waveform between NAVI control unit harness
connector B207 terminal 44 and ground with CONSULT-II or
oscilloscope.

Purple (Magenta) tinged screen
Check voltage waveform between NAVI control unit harness
connector B207 terminal 45 and ground with CONSULT-II or
oscilloscope.

Yellow tinged screen
Check voltage waveform between NAVI control unit harness
connector B207 terminal 46 and ground with CONSULT-II or
oscilloscope.
OK or NG
OK >> Replace display control unit.
NG >> Replace NAVI control unit. 44 – Ground:
SKIB6997ESKIB7360E
45 – Ground:
SKIB6998ESKIB7361E
46 – Ground:
SKIB6999ESKIB7362E

NAVIGATION SYSTEM AV-149
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Revision: 2006 December 2006 FX35/FX45
RGB Image Is RollingNKS003KU
Symptom: Map screen is rolling.
1. CHECK HARNESS
1. Turn ignition switch OFF.
2. Disconnect NAVI control unit and display control unit connectors.
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-II 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. 48 – 43 : Continuity should exist.
48 – Ground : Continuity should not exist.
SKIB7862E
48 – Ground:
SKIB7001ESKIB3603E
56 – 19 : Continuity should exist.
56 – Ground : Continuity should not exist.
SKIB7863E

AV-150
NAVIGATION SYSTEM
Revision: 2006 December 2006 FX35/FX45
4. CHECK RGB SYNCHRONIZING SIGNAL
1. Connect display control unit and display connectors.
2. Turn ignition switch ON.
3. When displaying RGB image, check voltage waveform between display control unit harness connector M76 terminal 56 and
ground with CONSULT-II or oscilloscope.
OK or NG
OK >> Replace display.
NG >> Replace display control unit.
Values for All Items in The TRIP Screen Do Not ChangeNKS003KV
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- 1 3 0 , "
VEHICLE SIGNALS" .
OK or NG
OK >> Replace display control unit.
NG >> Check display control unit ignition signal circuit, and repair malfunctioning part.
Values for Items, “Driving Distance” and “Average Speed” Do Not ChangeNKS003KW
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- 1 3 0 , "
VEHICLE SIGNALS" .
OK or NG
OK >> Replace display control unit.
NG >> Check display control unit vehicle speed signal circuit, and repair malfunctioning part.
Values for All Items in The FUEL ECONOMY Screen Do Not ChangeNKS003KX
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- 1 5 0 , "
Values for All Items in The TRIP Screen Do Not
Change" or AV- 1 5 0 , "Values for Items, “Driving Distance” and “Average Speed” Do Not Change"
.
56 – Ground:
SKIB7864ESKIB3603E