2007 INFINITI FX35 steering

NAVIGATION SYSTEM AV-95
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Revision: 2006 July 2007 FX35/FX45
Map-Matching
Map-matching compares a current location detected by the method
in the “Location Detection Principle” with a road map data from DVD-
ROM stored in DVD-ROM drive.
NOTE:
The road map data is based on data stored in the DVD-ROM.
The vehicle position may not be corrected under the following circumstances and after driving for a certain
time when GPS information is difficult to receive. In this case, the current-location mark on the display must be
corrected manually.

In map-matching, alternative routes are prepared and prioritized
in addition to the road judged currently driven. Due to the dis-
tance and/or direction error, the incorrect road may be prioritized
and current-location mark may be repositioned to the wrong
road.
When two roads are running in parallel, they are judged to the
same priority. Therefore, the current-location mark may appear
on either of them alternately, depending on maneuvering of the
steering wheel and configuration of the road.

Map-matching does not function correctly when a road on which
the vehicle is driving is new and not recorded in the DVD-ROM,
or when road pattern stored in the map data and the actual road
pattern are different due to repair.
When driving on a road not present in the map, the map-match-
ing function may find another road and position the current-loca-
tion mark on it. Then, when the correct road is detected, the
current-location mark may change to it.

Effective range for comparing the vehicle position and travel
direction calculated by the distance and direction with the road
data read from the DVD-ROM is limited. Therefore, when there
is an excessive gap between current vehicle position and the
position on the map, correction by map-matching is not possible.
SEL685V
SEL686V
SKIA0613E

NAVIGATION SYSTEM AV-97
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Revision: 2006 July 2007 FX35/FX45
Component DescriptionNKS003K1
NAVI CONTROL UNIT

The gyro (angular speed sensor) and the DVD-ROM drive are
built-in units that control the navigation functions.

Signals are received from the gyro, the vehicle speed sensor,
and the GPS antenna. Vehicle location is determined by com-
bining this data with the data contained in the DVD-ROM map.
Locational information is shown on liquid crystal display panel.
DVD-ROM Drive
Maps, traffic control regulations, and other pertinent information can
be easily read from the DVD-ROM.
DVD-ROM

The DVD-ROM has maps, traffic control regulations, and other pertinent information.

To improve DVD-ROM map matching and route determination functions, the DVD-ROM uses an exclusive
Nissan format. Therefore, the use of a DVD-ROM provided by other manufacturers cannot be used.
Gyro (Angular Speed Sensor)

The oscillator gyro sensor is used to detect changes in vehicle steering angle.

The gyro is built into the navigation (NAVI) control unit.
GPS ANTENNA
The GPS antenna receives and amplifies the radio waves from the GPS satellites, and then transmits the GPS
signal to NAVI control unit.
DISPLAY CONTROL UNIT

Display control unit draws a status of the audio and air condi-
tioner, a TRIP screen, a FUEL ECONOMY screen, etc., and
transmits the image signals to the display screen.

It receives operation signals of audio and air conditioner from A/
C and AV switch, and transmits the operation signal of audio to
the audio unit via the communication line and transmits the
operation signal of air conditioner to the meter and A/C amp. via
CAN communication.
SKIB3892E
SKIB6982E
SKIB8638E

AV-122
NAVIGATION SYSTEM
Revision: 2006 July 2007 FX35/FX45
Special Note for Trouble DiagnosisNKS003KD
Prior to performing trouble diagnosis, make sure there are no corresponding description in the “Example of
Symptoms Possible No Malfunction”. Refer to AV- 1 5 2 , "
Example of Symptoms Possible No Malfunction" .
On Board Self-Diagnosis FunctionNKS003KE
DESCRIPTION

Trouble diagnosis function of navigation system has a Self Diagnosis mode by automatic operation and a
Confirmation/Adjustment mode by manual operation.

Self Diagnosis mode checks for connections between the units constituting this system, analyzes each
individual unit at the same time, and displays the results on the display.

Confirmation/Adjustment mode displays trouble diagnosis that require an operation and a judgment by a
human (auto-decision cannot be performed by the system), confirmation of preset value, and an error his-
tory.
DIAGNOSIS ITEM
Mode Description
Self Diagnosis (DCU)

Display control unit diagnosis

Analyzes connection between the display control unit and each unit, and
operation of each unit.
Self Diagnosis (NAVI)

NAVI control unit diagnosis (DVD-ROM drive will not be diagnosed
when no DVD-ROM is in it.).

Analyzes connection between the NAVI control unit and the GPS
antenna.
Confirmation/
Adjustment 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.
Vehicle Signals Diagnosis of signals that are input to display control unit can be performed
for Vehicle Speed, IGN, Reverse and Light.
Auto Climate Control Refer to ATC-52, "
Self-diagnosis Function" .
Navigation Display Diagnosis
Color tone and shading of the NAVI control unit-generated image can be
checked by the display of a color bar and a gray scale.
Vehicle Signals Diagnosis of signals that are input to NAVI control unit can be performed
for Vehicle speed, Lights, Ignition and Reverse.
Navigation Steering
Angle
Adjustment This mode is used to correct difference between actual turning angle of a
vehicle and turning angle of the vehicle mark on the display.
Speed
Calibration Under ordinary conditions, the navigation system distance measuring
function will automatically compensate for minute decreases in wheel and
tire diameter caused by tire wear or low-pressure. Speed Calibration can
immediately restore system accuracy in cases such as when distance cal-
ibration is needed because of the use of tire chains.
Error History Malfunctions that occurred in the past are displayed, along with the num-
ber of times each has occurred. Time and location when/where the errors
occurred are also displayed.
Delete Unit Connection Log Erase the connection history of unit and error history.
CAN DIAG SUPPOPT MONITOR The transmitting/receiving of CAN communication can be monitored.

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
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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
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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

AV-144
NAVIGATION SYSTEM
Revision: 2006 July 2007 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.

AV-186
TELEPHONE
Revision: 2006 July 2007 FX35/FX45
Basic Inspection of Hands-Free PhoneNKS003IS
Check the parts or circuit listed below when the hands-free phone system is inoperative at all or a communica-
tion error exists between TEL and TEL adopter unit.

TEL

TEL adapter unit power supply circuit
1. CHECK INDICATOR OPERATION
1. Turn ignition switch ACC.
2. Check the indicator is blinking.
OK or NG
OK >> GO TO 2
NG >> Check indicator circuit and MIC. circuit.
2. CHECK AUDIO STEERING WHEEL SWITCH OPERATION
1. Press the switch.
2. Check the indicator is blinking.
OK or NG
OK >> INSPECTION END
NG >> Check audio steering wheel switch circuit.
Audio Steering Wheel Switch Does Not OperateNKS003M1
1. CHECK HARNESS
1. Turn ignition switch OFF.
2. Disconnect A/C and AV switch and TEL adapter unit connectors.
3. Check continuity between A/C and AV switch harness connector (A) M64 terminals 12, 13, 14 and teladapter unit harness con-
nector (B) M102 terminals 17, 18, 19.
4. Check continuity between A/C and AV switch and ground.
OK or NG
OK >> GO TO 2.
NG >> Repair harness or connector.
12 – 17 : Continuity should exist.
13 – 18 : Continuity should exist.
14 – 19 : Continuity should exist.
12, 13, 14 – ground : Continuity should not exist.
PKIC9369E

TELEPHONE AV-187
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Revision: 2006 July 2007 FX35/FX45
2. CHECK HARNESS
1. Disconnect spiral cable connector.
2. Check continuity between TEL adapter unit harness connector (A) M102 terminals 12, 13, 14 and spiral cable harness connec-
tor (B) M15 terminals 24, 32, 31.
3. Check continuity between TEL adapter unit and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair harness or connector.
3. CHECK SPIRAL CABLE
1. Disconnect spiral cable connector (Audio steering wheel switch harness side).
2. Check continuity between spiral cable connector M15 terminals 24, 31, 32 and spiral cable connector M203 terminals 20, 17, 16.
OK or NG
OK >> GO TO 4.
NG >> Replace spiral cable.
4. CHECK AUDIO STEERING WHEEL SWITCH RESISTANCE
Check resistance audio steering wheel switch terminals.
OK or NG
OK >> INSPECTION END
NG >> Replace audio steering wheel switch. 12 – 24 : Continuity should exist.
13 – 32 : Continuity should exist.
14 – 31 : Continuity should exist.
12, 13, 14 – ground : Continuity should not exist.
SKIB8681E
24 – 20 : Continuity should exist.
31 – 17 : Continuity should exist.
32 – 16 : Continuity should exist.
SKIA5874E
Terminal Signal name Condition Resistance
( Ω )
16 17 Mode Depress mode switch. Approx. 0
Seek down Depress (station) down switch. Approx. 165
Volume (down) Depress volume down switch. Approx. 652
20 PTT Depress PTT switch. Approx. 0
Seek up Depress (station) up switch. Approx. 165
Volume (up) Depress volume up switch. Approx. 652
SKIA5010E