2008 INFINITI FX35 navigation system

NAVIGATION SYSTEMAV-131
< SERVICE INFORMATION >
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3. Check voltage waveform between display control unit harness connector M76 terminal 53 and ground with CONSULT-III 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-III or oscillo-
scope.
OK or NG
OK >> Replace display control unit.
NG >> Replace display.
Vehicle Mark Is Not Displayed ProperlyINFOID:0000000001328762
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-119, "
Confirmation/Adjustment Mode".
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-117, "
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-119, "
Confirmation/Adjustment Mode".
OK or NG
OK >> Limit of position detection capacity.
NG >>  Check NAVI control unit vehicle speed signal circuit, and repair malfunctioning part. 53 – Ground:
SKIB7851ESKIB3598E
55 – Ground:
SKIB7852ESKIB3601E
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

AV-132
< SERVICE INFORMATION >
NAVIGATION SYSTEM
 Check NAVI control unit reverse signal circuit, and repair malfunctioning part.
Tint Is Strange for the RGB ImageINFOID:0000000001328763
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 termi-
nal 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 termi-
nal 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 termi-
nal 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.
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-119, "
Confirmation/Adjustment Mode".
4. Display color bar by selecting “Display Color Spectrum Bar” on Display Diagnosis screen. Refer to AV-
119, "Confirmation/Adjustment Mode".
5. Check the malfunctioning circuit according to the symptoms. 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
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

NAVIGATION SYSTEMAV-133
< SERVICE INFORMATION >
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 Light blue (Cyan) tinged screen
Check voltage waveform between display control unit harness con-
nector M76 terminal 50 and ground with CONSULT-III or oscillo-
scope.
 Purple (Magenta) tinged screen
Check voltage waveform between display control unit harness con-
nector M76 terminal 52 and ground with CONSULT-III or oscillo-
scope.
 Yellow tinged screen
Check voltage waveform between display control unit harness con-
nector M76 terminal 54 and ground with CONSULT-III or oscillo-
scope.
OK or NG
OK >> Replace display.
NG >> Replace display control unit.
Tint Is Strange for the RG B Image (Only NAVI Screen)INFOID:0000000001328764
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 50 – Ground:
SKIB7856ESKIB7769E
52 – Ground:
SKIB7857ESKIB7770E
54 – Ground:
SKIB7858ESKIB7771E
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

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
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

NAVIGATION SYSTEMAV-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 RollingINFOID: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:
SKIB6997ESKIB7360E
45 – Ground:
SKIB6998ESKIB7361E
46 – Ground:
SKIB6999ESKIB7362E
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

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:
SKIB7001ESKIB3603E
56 – 19 : Continuity should exist.
56 – Ground : Continuity should not exist.
SKIB7863E
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

NAVIGATION SYSTEMAV-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 ChangeINFOID:0000000001328766
Symptom: Values for items, “Elapsed Time”, “Drivi ng 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" a nd "Average Speed" Do Not ChangeINFOID: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 ChangeINFOID: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:
SKIB7864ESKIB3603E
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

AV-138
< SERVICE INFORMATION >
NAVIGATION SYSTEM
Voice Guidance Is Not Heard
INFOID:0000000001328769
Symptom: Voice guidance does not sound at route guidance.
1.CHECK HARNESS
1. Turn ignition switch OFF.
2. Disconnect NAVI control unit and audio unit connectors.
3. Check continuity between NAVI control unit harness connector (A) B208 terminals 12, 14 and audio unit harness connector (B)
M60 terminals 36, 34.
4. Check continuity between NAVI control unit harness connector (A) B208 terminals 12, 14 and ground.
OK or NG
OK >> GO TO 2.
NG >> Repair harness or connector.
2.CHECK VOICE GUIDANCE SIGNAL
1. Connect NAVI control unit and audio unit connectors.
2. Turn ignition switch ON.
3. Check voltage waveform between NAVI control unit harness connector B208 terminals 12 and 14 with CONSULT-III or oscil-
loscope.
OK or NG
OK >> Replace audio unit.
NG >> Replace NAVI control unit.
Example of Symptom Poss ible No MalfunctionINFOID:0000000001328770
For Navigation System operation information, refer to Navigation System Owner's Manual.
BASIC OPERATIONS
12 – 36 : Continuity should exist.
14 – 34 : Continuity should exist.
12, 14 – Ground : Continuity should not exist.
SKIB7865E
12 – 14:
SKIB7003ESKIB3609E
Symptom Possible cause Possible solution
No image is displayed. The brightness is at the lowest setting. Adjust the brightness of the display.
The display is turned off.
Press and hold the button to turn on the
display.
No voice guidance is available.
The volume is too high or too low. The volume is not set correctly, or it is turned off. Adjust the volume of voice guidance.
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C