steering INFINITI QX56 2006 Factory Owner's Guide

NAVIGATION SYSTEMAV-87
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Revision: November 2009 2006 QX56
Component Parts LocationEKS00BJF
WKIA4571E
1. Fuse block (J/B)2. Fuse and fusible link box 3. Combination switch
M28
4. Combination meter M24 5. GPS antenna
6. Display unit
M93
7. Display control unit M94, M95 8. AV switch
M98 9. Audio unit
M45
10. Data link connector M22 11 . B C M
M18, M20 12. Steering wheel audio control switches
13. NAVI control unit B151, B152, B154 14. IPDM E/R
E121, E124

AV-108
NAVIGATION SYSTEM
Revision: November 20092006 QX56
Terminals and Reference Value for AV SwitchEKS00BJN
Terminal No.
(Wire color) ItemSignal
input/
output Condition
Voltage
(Approx.) Example of
symptom
+ – Ignition
switch Operation
1 (Y) Ground Battery
power Input OFF
-Battery voltage System does not
work properly.
2 (V) Ground ACC signal Input ACC -Battery voltage System does not
work properly.
3 (R/L) Ground Illumination
signal Input OFF Lighting switch is
ON (position 1).
Battery voltageAV switch illumi-
nation does not
come on when
lighting switch is
ON (position 1).
Turn lighting switch
OFF.
3.0V or less
4 (BR) Ground Illumination
control signal Input ON Illumination control
switch is operated
by lighting switch in
1st position. Changes between 0 and 12V.
AV switch illumi-
nation cannot be
controlled.
5 (B) Ground Ground - ON -0V -
6 (V) Ground Communica-
tion signal (+) Input/
output ON
- System does not
work properly.
7- Shield
ground -- -
--
8 (LG) Ground Communica-
tion signal (-) Input/
output ON
- System does not
work properly.
12 (R) Ground Remote con-
trol A Input ON Press MODE
switch 0V
Steering wheel
audio controls
do not function.
Press SEEK UP
switch 0.75V
Press VOL UP switch 2V
Except for above 5V
13 (G) Ground Remote con-
trol B Input ON Press POWER
switch 0V
Steering wheel
audio controls
do not function.
Press SEEK
DOWN switch 0.75V
Press VOL DOWN switch 2V
Except for above 5V
14 (L) - Remote con-
trol ground -- -
-Steering wheel
audio controls
do not function.
SKIA0175E
SKIA0176E

NAVIGATION SYSTEMAV-165
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Revision: November 2009 2006 QX56
CURRENT-LOCATION MARK IS IN A RIVER OR SEA
The navigation system moves the current-location mark with no distinction between land and rivers or sea. If
the location mark is somehow out of place, it may appear that the vehicle is driving in a river or the sea.
WHEN DRIVING ON SAME ROAD, SOMETIMES CURRENT-LOCATION MARK IS IN RIGHT
PLACE AND SOMETIMES IT IS WRONG PLACE
The conditions of the GPS antenna (GPS data) and gyroscope (angular speed sensor) change gradually.
Depending on the road traveled and the operation of the steering wheel, the location detection results will be
different. Therefore, even on a road on which the location has never been wrong, conditions may cause the
vehicle mark to deviate.
LOCATION CORRECTION BY MAP-MATCHING IS SLOW

The map-matching function needs to refer to the data of the surrounding area. It is necessary to drive
some distance for the function to work.

Because map-matching operates on this principle, when there are many roads running in similar direc-
tions in the surrounding area, no matching determination may be made. The location may not be cor-
rected until some special feature is found.
ALTHOUGH GPS RECEIVING DISPLAY IS GREEN, VEHICLE MARK DOES NOT RETURN TO
CORRECT LOCATION

The GPS accuracy has an error of approximately 10 m (30 ft). In some cases the current-location mark
may not be on the correct street, even when GPS location-correction is done.

The navigation system compares the results of GPS location detection with the results from map-match-
ing location detection. The one which is determined to have higher accuracy is used.

GPS location correction may not be performed when the vehicle is stopped.
NAME OF CURRENT PLACE IS NOT DISPLAYED
The current place name may not be displayed if there are no place names displayed on the map screen.
CONTENTS OF DISPLAY DIFFER FOR BIRDVIEW™ AND THE (FLAT) MAP SCREEN
Difference of the BIRDVIEW™ screen from the flat map screen are as follows.

The current place name displays names which are primarily in the direction of vehicle travel.

The amount of time before the vehicle travel or turn angle is updated on the screen is longer than for the
(flat) map display.

The conditions for display of place names, roads, and other data are different for nearby areas and for
more distant areas.

Some thinning of the character data is done to prevent the display becoming too complex. In some cases
and in some locations, the display contents may differ.

The same place name, street name, etc. may be displayed multiple times.

AV-168
NAVIGATION SYSTEM
Revision: November 20092006 QX56
5. Disconnect GPS antenna connector.
6. Remove GPS antenna.
Installation
Installation is in the reverse order of removal.
NAVI CONTROL UNIT
Removal
CAUTION:
To avoid damage, eject map DVD-ROM before removing the NAVI control unit.
1. Disconnect negative battery cable.
2. Remove front passenger seat. Refer to SE-91, "
Removal and Installation" .
3. Remove NAVI control unit kick shield screws (A).
4. Remove NAVI control unit kick shield (1).
5. Disconnect NAVI control unit connectors.
6. Remove NAVI control unit screws (B).
7. Remove NAVI control unit (2).
Installation
Installation is in the reverse order of removal.
STEERING WHEEL AUDIO CONTROL SWITCHES
Refer to AV- 5 9 , "STEERING WHEEL AUDIO CONTROL SWITCHES" .
WKIA1509E
WKIA1508E
WKIA4354E

VEHICLE SECURITY (THEFT WARNING) SYSTEMBL-75
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Revision: November 2009 2006 QX56
VEHICLE SECURITY (THEFT WARNING) SYSTEMPFP:28491
Component Parts and Harness Connector LocationEIS0060E
LIIA2374E
1. Fuse block (J/B)2. Fuse and fusible link box3. IPDM E/R fuse layout
4. IPDM E/R E122, E123, E124 5. Steering column
(view with instrument panel LH
removed) 6. Data link connector M22
(view with instrument panel LH
removed)

NOISE, VIBRATION, AND HARSHNESS (NVH) TROUBLESHOOTINGBR-5
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Revision: November 2009 2006 QX56
NOISE, VIBRATION, AND HARSHNESS (NVH) TROUBLESHOOTINGPFP:00003
NVH Troubleshooting ChartEFS004VZ
Use the chart below to help you find the cause of the symptom. If necessary, repair or replace these parts.
×: ApplicableReference page
BR-21
,
BR-27
BR-21
, BR-27
BR-21
, BR-27
BR-25
, BR-30
BR-25
, BR-30
BR-25
, BR-30
BR-25
, BR-30
BR-25
, BR-30
BR-25
, BR-31
BR-25
, BR-31

PR-3, "
NVH Troubleshooting Chart
"
FFD-6, "
NVH Troubleshooting Chart
", RFD-7, "
NVH Troubleshooting Chart
"
FAX-4, "
NVH Troubleshooting Chart
", RAX-4, "
NVH Troubleshooting Chart
"
FSU-4, "
NVH Troubleshooting Chart
", RSU-5, "
NVH Troubleshooting Chart
"
WT-4, "
NVH Troubleshooting Chart
"
PS-5, "
NVH Troubleshooting Chart
"
Possible cause and
SUSPECTED PARTS
Pads - damaged
Pads - uneven wear
Shims damaged
Rotor imbalance
Rotor damage
Rotor runout
Rotor deformation
Rotor deflection
Rotor rust
Rotor thickness variation
PROPELLER SHAFT
DIFFERENTIAL
DRIVESHAFT
SUSPENSION
TIRES AND ROAD WHEEL
STEERING
Symptom Noise
××× ××××××
Shake ××××××
Shimmy, Shudder ××××××× ××××

BR-12
BRAKE PIPING AND HOSE
Revision: November 20092006 QX56
BRAKE PIPING AND HOSEPFP:46210
Hydraulic CircuitEFS004W5
CAUTION:

All hoses and tubes must be free from excessive bending, twisting and pulling.

Make sure there is no interference with other parts when turning steering both clockwise and
counterclockwise.

The brake piping is an important safety part. If a brake fluid leak is detected, always disassemble
the parts. Replace applicable part with a new one, if necessary.

Be careful not to splash brake fluid on painted areas; it way cause paint damage. If brake fluid is
splashed on painted areas, wash it away with water immediately.

Do not bend or twist brake hose sharply, or strongly pull it.

When removing components, cover connections so that no dirt, dust, or other foreign matter gets
in.

Refill with new brake fluid. Refer to MA-11, "RECOMMENDED FLUIDS AND LUBRICANTS" .

Do not reuse drained brake fluid.
Removal and Installation of Front Brake Hose EFS004W6
REMOVAL
1. Drain brake fluid. Refer to BR-10, "Drain and Refill" .
2. Using a flare nut wrench, remove brake tube from brake hose.
3. Remove lock plate and brake hose from bracket.
4. Remove union bolt and then remove brake hose from cylinder body.
1. Actuator 2. Master cylinder 3. Brake booster
4. Connector
WFIA0278E

BRC-1
BRAKE CONTROL SYSTEM
F BRAKES
CONTENTS
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BRC
Revision: November 2009 2006 QX56VDC/TCS/ABS
PRECAUTIONS .......................................................... 3
Precautions for Supplemental Restraint System
(SRS) “AIR BAG” and “SEAT BELT PRE-TEN-
SIONER” ............................................................. ..... 3
Precautions for Brake System ............................. ..... 3
Precautions When Using CONSULT-II ................ ..... 3
CHECK POINTS FOR USING CONSULT-II .... ..... 3
Precautions for Brake Control ............................. ..... 4
Precautions for CAN System .............................. ..... 4
PREPARATION ...................................................... ..... 6
Special Service Tool ............................................ ..... 6
Commercial Service Tools ................................... ..... 6
SYSTEM DESCRIPTION ............................................ 7 System Components ........................................... ..... 7
ABS Function ........................................................... 8
EBD Function ...................................................... ..... 8
TCS Function ...................................................... ..... 8
VDC Function ...................................................... ..... 8
Fail-Safe Function .................................................... 8 ABS/EBD SYSTEM .......................................... ..... 9
VDC/TCS SYSTEM .......................................... ..... 9
ACTIVE BOOSTER .......................................... ..... 9
Hydraulic Circuit Diagram ................................... ..... 9
CAN COMMUNICATION ....................................... ... 10
System Description ............................................. ... 10
TROUBLE DIAGNOSIS ......................................... ....11
How to Perform Trouble Diagnoses for Quick and
Accurate Repair .................................................. .... 11
INTRODUCTION .............................................. .... 11
WORK FLOW ................................................... ... 12
CLARIFY CONCERN ....................................... ... 13
EXAMPLE OF DIAGNOSIS SHEET ................ ... 13
Component Parts and Harness Connector Location ... 14
Schematic ........................................................... ... 15
Wiring Diagram — VDC — .................................. ... 16
Basic Inspection .................................................. ... 23
BRAKE FLUID LEVEL, FLUID LEAK, AND
BRAKE PAD INSPECTION .............................. ... 23
POWER SYSTEM TERMINAL LOOSENESS AND BATTERY INSPECTION ..........................
... 23
ABS WARNING LAMP, SLIP INDICATOR LAMP
AND VDC OFF INDICATOR LAMP INSPECTION ... 23
Warning Lamp and Indicator Timing .................... ... 24
Control Unit Input/Output Signal Standard .......... ... 24
REFERENCE VALUE FROM CONSULT-II ...... ... 24
CONSULT-II Function (ABS) ............................... ... 28
CONSULT-II BASIC OPERATION PROCEDURE ... 28
SELF-DIAGNOSIS ........................................... ... 29
DATA MONITOR .............................................. ... 32
ACTIVE TEST ..................................................... 35
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC
ITEMS ..................................................................... ... 38
Wheel Sensor System Inspection ........................ ... 38
Engine System Inspection ................................... ... 39
ABS/TCS/VDC Control Unit Inspection ............... ... 40
Steering Angle Sensor System ............................ ... 40
Yaw Rate/Side/Decel G Sensor System Inspection ... 41
Solenoid and VDC Change-Over Valve System
Inspection ............................................................ ... 43
Actuator Motor, Motor Relay, and Circuit Inspection ... 44
Stop Lamp Switch System Inspection ................. ... 45
ABS/TCS/VDC Control Unit Power and Ground
Systems Inspection ............................................. ... 46
Brake Fluid Level Switch System Inspection ....... ... 47
Active Booster System Inspection ....................... ... 48
Delta Stroke Sensor System Inspection .............. ... 49
Pressure Sensor System Inspection ................... ... 51
Steering Angle Sensor Safe Mode Inspection ..... ... 53
CAN Communication System Inspection ............. ... 54
ICC System Inspection ........................................ ... 54
Inspection For Self-diagnosis Result "ST ANG SEN
SIGNAL" .............................................................. ... 55
Inspection For Self-diagnosis Result "DECEL G
SEN SET" ............................................................ ... 55
VDC OFF Indicator lamp Does Not Illuminate ..... ... 56
Component Inspection ......................................... ... 56
VDC OFF SWITCH .......................................... ... 56

BRC-2Revision: November 20092006 QX56
TROUBLE DIAGNOSES FOR SYMPTOMS ..........
... 57
ABS Works Frequently ........................................ ... 57
Unexpected Pedal Action .................................... ... 58
Long Stopping Distance ....................................... ... 59
ABS Does Not Work ............................................... 59
Pedal Vibration or ABS Operation Noise ............. ... 59
ABS Warning Lamp Does Not Come On When Igni-
tion Switch Is Turned On ..................................... ... 60
ABS Warning Lamp Stays On When Ignition Switch
Is Turned On ........................................................... 60
Vehicle Jerks During TCS/VDC Activation ........... ... 61
ON-VEHICLE SERVICE ......................................... ... 62
Adjustment of Steering Angle Sensor Neutral Posi-
tion ....................................................................... ... 62
Calibration of Decel G Sensor ............................. ... 62WHEEL SENSORS ................................................
... 64
Removal and Installation ...................................... ... 64
REMOVAL ......................................................... ... 64
INSTALLATION ................................................. ... 64
SENSOR ROTOR ................................................... ... 65
Removal and Installation ...................................... ... 65
ACTUATOR AND ELECTRIC UNIT (ASSEMBLY) ... 66 Removal and Installation ...................................... ... 66
REMOVAL ......................................................... ... 66
INSTALLATION ................................................. ... 67
STEERING ANGLE SENSOR ................................ ... 68
Removal and Installation ...................................... ... 68
G SENSOR ............................................................. ... 69
Removal and Installation ...................................... ... 69
REMOVAL ......................................................... ... 69
INSTALLATION ................................................. ... 69

BRC-4
[VDC/TCS/ABS]
PRECAUTIONS
Revision: November 20092006 QX56

If NO, GO TO 5.
2. Is there any indication other than indications relating to CAN communication system in the self-diagnosis results?

If YES, GO TO 3.

If NO, GO TO 4.
3. Based on self-diagnosis results unrelated to CAN communication, carry out the inspection.
4. Malfunctions may be detected in self-diagnosis depending on control units carrying out CAN communica- tion. Therefor, erase the self-diagnosis results.
5. Diagnose CAN communication system. Refer to BRC-10, "
CAN COMMUNICATION" .
Precautions for Brake ControlEFS004X6

During ABS operation, the brake pedal may vibrate lightly and a mechanical noise may be heard. This is
normal.

Just after starting vehicle, the brake pedal may vibrate or a motor operating noise may be heard from
engine compartment. This is a normal status of operation check.

Stopping distance may be longer than that of vehicles without ABS when vehicle drives on rough, gravel,
or snow-covered (fresh, deep snow) roads.

When an error is indicated by ABS or another warning lamp, collect all necessary information from cus-
tomer (what symptoms are present under what conditions) and check for simple causes before starting
diagnosis. Besides electrical system inspection, check booster operation, brake fluid level, and fluid leaks.

If incorrect tire sizes or types are installed on the vehicle or brake pads are not Genuine NISSAN parts,
stopping distance or steering stability may deteriorate.

If there is a radio, antenna or related wiring near control module, ABS function may have a malfunction or
error.

If aftermarket parts (car stereo, CD player, etc.) have been installed, check for incidents such as harness
pinches, open circuits or improper wiring.

If the following components are replaced with non-genuine components or modified, the VDC OFF indica-
tor lamp and SLIP indicator lamp may turn on or the VDC system may not operate properly. Components
related to suspension (shock absorbers, struts, springs, bushings, etc.), tires, wheels (exclude specified
size), components related to brake system (pads, rotors, calipers, etc.), components related to engine
(muffler, ECM, etc.), components related to body reinforcement (roll bar, tower bar, etc.).

Driving with broken or excessively worn suspension components, tires or brake system components may
cause the VDC OFF indicator lamp and the SLIP indicator lamp to turn on, and the VDC system may not
operate properly.

When the TCS or VDC is activated by sudden acceleration or sudden turn, some noise may occur. The
noise is a result of the normal operation of the TCS and VDC.

When driving on roads which have extreme slopes (such as mountainous roads) or high banks (such as
sharp curves on a freeway), the VDC may not operate normally, or the VDC warning lamp and the SLIP
indicator lamp may turn on. This is not a problem if normal operation can be resumed after restarting the
engine.

Sudden turns (such as spin turns, acceleration turns), drifting, etc. with VDC turned off may cause the yaw
rate/side G sensor to indicate a problem. This is not a problem if normal operation can be resumed after
restarting the engine.
Precautions for CAN SystemEFS004X7

Do not apply voltage of 7.0V or higher to terminal to be measured.

Maximum open terminal voltage of tester in use must be less than 7.0V.

Before checking harnesses, turn ignition switch OFF and disconnect battery negative cable.