2011 INFINITI QX56 height adjustment

INSPECTION AND ADJUSTMENTEXL-61
< BASIC INSPECTION > [XENON TYPE]
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INSPECTION AND ADJUSTMENT
ADDITIONAL SERVICE WHEN REPLAC ING CONTROL UNIT (AFS CONTROL
UNIT)
ADDITIONAL SERVICE WHEN REPLAC ING CONTROL UNIT (AFS CONTROL
UNIT) : Description
INFOID:0000000006213923
Perform “LEVELIZER ADJUSTMENT” with CONSUL T-III when replacing the AFS control unit.
ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT (AFS CONTROL
UNIT) : Special Repair Requirement
INFOID:0000000006213924
1.LEVELIZER ADJUSTMENT
Perform “LEVELIZER ADJUSTMENT”.
>> Refer to EXL-61, "
LEVELIZER ADJUSTMENT : Special Repair Requirement".
ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT (HEIGHT SEN-
SOR)
ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT (HEIGHT SENSOR) :
Description
INFOID:0000000006213925
Perform “LEVELIZER ADJUSTMENT” with CONS ULT-III when replacing the height sensor.
ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT (HEIGHT SENSOR) :
Special Repair Requirement
INFOID:0000000006213926
1.LEVELIZER ADJUSTMENT
Perform “LEVELIZER ADJUSTMENT”.
>> Refer to EXL-61, "
LEVELIZER ADJUSTMENT : Special Repair Requirement".
LEVELIZER ADJUSTMENT
LEVELIZER ADJUSTMENT : DescriptionINFOID:0000000006213927
Perform “LEVELIZER ADJUSTME NT” when installing, removing, and replacing the height sensor and the sus-
pension components.
LEVELIZER ADJUSTMENT : S pecial Repair RequirementINFOID:0000000006213928
CAUTION:
If perform aiming adjustment after the levelizer initia lization, be sure to start the engine running after
turning ignition switch OFF.
1.CHECK VEHICLE CONDITION
1. Park the vehicle in the straight-forward position.
2. Unload the vehicle (no passenger aboard).
>> GO TO 2.
2.LEVELIZER ADJUSTMENT
CONSULT-III WORK SUPPORT
1. Select “LEVELIZER ADJUSTMENT” of ADAPTIVE LIGHT work support item.
2. Select “START”.
3. When “ADJUSTMENT IS CO MPLETED”, select “END”.
CAUTION:
Revision: 2010 May2011 QX56

EXL-62
< BASIC INSPECTION >[XENON TYPE]
INSPECTION AND ADJUSTMENT
If “CAN NOT BE TESTED” is indi
cated, AFS control unit detects that the height sensor signal
changes. The levelizer adjustment is cancelled. In this case, turn the ignition switch OFF to pre-
vent the vehicle from the height change. Perform the levelizer adjustment again.
Is the levelizer adjustment completed?
YES >> GO TO 3.
NO >> Perform the levelizer adjustment again.
3.SELF-DIAGNOSIS RESULT CHECK
Perform self-diagnosis with CONSULT-III. Check that any DTC is not detected.
Is any DTC detected?
YES >> GO TO 2.
NO >> Levelizer adjustment completed
Revision: 2010 May2011 QX56

EXL-76
< DTC/CIRCUIT DIAGNOSIS >[XENON TYPE]
B2519 LEVELIZER CALIBRATION
B2519 LEVELIZER CALIBRATION
DTC LogicINFOID:0000000006213940
Diagnosis ProcedureINFOID:0000000006213941
1.LEVELIZER ADJUSTMENT
Perform the levelizer adjustment.
>> Refer to EXL-61, "
LEVELIZER ADJUSTMENT : Special Repair Requirement".
DTC No. Trouble diagnosis name DTC detection condition Possible causes
B2519 Levelizer calibration The height sensor adjustment position is not
recognized.AFS control unit
Revision: 2010 May2011 QX56

EXL-122
< PERIODIC MAINTENANCE >[XENON TYPE]
HEADLAMP AIMING ADJUSTMENT
Aiming Adjustment Procedure
INFOID:0000000006369513
1. Place the screen. NOTE:
 Stop the vehicle facing the wall.
 Place the board on a plain road vertically.
2. Face the vehicle with the screen. Maintain 10 m (32.8 ft) between the headlamp center and the screen.
3. Start the engine. Turn the headlamp (LO) ON. NOTE:
Shut off the headlamp light with the board to prevent from illuminating the adjustment screen.
CAUTION:
Never cover the lens surface with a tape etc. The lens is made of resin.
4. Measure the distance (X) between the horizontal cent er line of headlamp (H) and the cutoff line (A) within
the light axis measurement range (R) from the vertical center line ahead of headlamp (V).
Low beam distribution on the screen
5. Adjust the cutoff line height (X) with the aiming adjus tment screw so as to enter in the adjustment range
(M–N) according to the horizontal center line of headlamp (H).
unit: mm (in)
Side view
Adjustment screw Screw driver rotation Facing direction
A Headlamp RH HI/LO (UP/DOWN) Clockwise UP
Counterclockwise DOWN
B Headlamp LH HI/LO (UP/DOWN) Clockwise UP
Counterclockwise DOWN
Light axis measurement range (R) : 350 ± 175 mm (13.78 ± 6.89 in)
JSLIA0005ZZ
Horizontal center line of headlamp (H) Highest cutoff line height (M) Lowest cutoff line height (N)
700 (27.56) or less 4 (0.16) 30 (1.18)
701(27.60) – 800 (31.50) 4 (0.16) 30 (1.18) 801 (31.54) or more 17 (0.67) 44 (1.73)
JSLIA0006ZZ
Distance between the headlamp center and the screen (L) : 10 m (32.8 ft)
Revision: 2010 May2011 QX56

FRONT FOG LAMP AIMING ADJUSTMENTEXL-123
< PERIODIC MAINTENANCE > [XENON TYPE]
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FRONT FOG LAMP AI MING ADJUSTMENT
DescriptionINFOID:0000000006213992
PREPARATION BEFORE ADJUSTING
NOTE:
 For details, refer to the regulations in your own country.
 Perform aiming if the vehicle front body has been repaired and/or the headlamp assembly has been
replaced.
Before performing aiming adjustm ent, check the following.  Adjust the tire pressure to the specification.
 Fill with fuel, engine coolant and each oil.
 Maintain the unloaded vehicle condition. (Remove luggage from the passenger compartment and the trunk
room.)
NOTE:
Do not remove the temporary tire, jack and on-vehicle tool.
 Wipe out dirt on the headlamp. CAUTION:
Never use organic solvent (thinner, gasoline etc.)
 Ride alone on the driver seat.
AIMING ADJUSTMENT SCREW
 Turn the aiming adjusting screw for adjustment.
 For the position and direction of the adjusting screw, refer to the figure.
NOTE:
A screwdriver or hexagonal wrench [6 mm (0.24 in)] can be used
for adjustment.
Aiming Adjustment ProcedureINFOID:0000000006213993
1. Place the screen. NOTE:
 Stop the vehicle facing the wall.
 Place the board on a plain road vertically.
2. Face the vehicle with the screen. Maintain 10 m (32.8 ft) between the front fog lamp center and the
screen.
3. Start the engine. Turn the front fog lamp ON. NOTE:
Shut off the headlamp light with the board to pr event from illuminating the adjustment screen.
CAUTION:
Never cover the lens surface with a tape etc. The lens is made of resin.
4. Adjust the cutoff line height (A) with the aiming adjus tment screw so that the distance (X) between the hor-
izontal center line of front fog lamp (H) and (A) becomes 200 mm (7.87 in).
A: UP
B: DOWN
JPLIA0915ZZ
Revision: 2010 May2011 QX56

EXL-124
< PERIODIC MAINTENANCE >[XENON TYPE]
FRONT FOG LAMP AIMING ADJUSTMENT
Front fog lamp light distribution on the screen
JPLIA0008ZZ
A : Cutoff line
B : High illuminance area
H : Horizontal center line of front fog lamp
V : Vertical center line of front fog lamp
X : Cutoff line height
Revision: 2010 May2011 QX56

HEIGHT SENSOREXL-137
< REMOVAL AND INSTALLATION > [XENON TYPE]
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3. Remove height sensor.
Rear height sensor
1. Disconnect height sensor connector.
2. Remove height sensor mounting nuts.
3. Remove height sensor.
INSTALLATION
Install in the reverse order of removal.
CAUTION:
Perform the levelizer adjustment when removing the height sensor. Refer to EXL-61, "
LEVELIZER
ADJUSTMENT : Special Repair Requirement".
Revision: 2010 May2011 QX56

FRONT BUMPEREXT-15
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 The following table shows the specified values for checking normal installation status.
 Fitting adjustment cannot be performed.
JMKIA5454ZZ
Portion Clearance Surf ace height difference
Front grille –
Hood A – A3.7 – 8.3 mm
(0.146 – 0.327 in) (-0.9) – (+3.9) mm
[(-0.035) – (+0.154) in]
Bumper fascia assembly –
Front bumper molding B – B0.1 – 3.4 mm
(0.004 – 0.134 in) (-1.9) – (+1.9) mm
[(-0.075) – (+0.075) in]
Front bumper molding –
Headlamp C – C0.1 – 2.5 mm
(0.004 – 0.098 in) —
Front bumper molding –
Hood D – D1.2 – 5.8 mm
(0.047 – 0.228 in) (-2.4) – (+2.4) mm
[(-0.094) – (+0.094)]
Front bumper molding–
Headlamp E – E0.1 – 2.5 mm
(0.004 – 0.098 in) —
Bumper fascia assembly –
Headlamp F – F0.2 – 3.1 mm
(0.008 – 0.122 in) 0.5 – 3.5 mm
(0.020 – 0.138 in)
Front fender –
Front bumper molding G – G0.0 – 0.7 mm
(0.000 – 0.028 in) (-1.0) – (+1.0) mm
[(-0.039) – (+0.039) in]
Front fender –
Bumper fascia assembly H – H0.0 – 0.8 mm
(0.000 – 0.031 in) (-0.7) – (+1.3) mm
[(-0.028) – (+0.051) in]
Revision: 2010 May2011 QX56