Infiniti G37 Coupe. Manual — part 691
EXL-184
< ON-VEHICLE MAINTENANCE >
[XENON TYPE]
HEADLAMP AIMING ADJUSTMENT
Aiming Adjustment Procedure
INFOID:0000000001604718
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 center 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 adjustment screw so as to enter in the adjustment range
(M–N) according to the horizontal center line of headlamp (H).
unit: mm (in)
Adjustment screw
Screw driver rotation
Facing direction
A
Headlamp (RH)
Clockwise
UP
Counterclockwise
DOWN
B
Front fog lamp (RH)
Clockwise
DOWN
Counterclockwise
UP
C
Front fog lamp (LH)
Clockwise
DOWN
Counterclockwise
UP
D
Headlamp (LH)
Clockwise
UP
Counterclockwise
DOWN
Light axis measure-
ment 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)
HEADLAMP AIMING ADJUSTMENT
EXL-185
< ON-VEHICLE MAINTENANCE >
[XENON TYPE]
C
D
E
F
G
H
I
J
K
M
A
B
EXL
N
O
P
Side view
JSLIA0006ZZ
Distance between the
headlamp center and the
screen (L)
: 10 m (32.8 ft)
EXL-186
< ON-VEHICLE MAINTENANCE >
[XENON TYPE]
FRONT FOG LAMP AIMING ADJUSTMENT
FRONT FOG LAMP AIMING ADJUSTMENT
Description
INFOID:0000000001728905
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 adjustment, 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
NOTE:
The figure is the vehicle without AFS. Each adjustment screw is applied to the vehicle with AFS.
JPLIA0551ZZ
A
Headlamp (RH) adjustment screw
B.
Front fog lamp (RH) adjustment
screw
C.
Front fog lamp (LH) adjustment
screw
D.
Headlamp (LH) adjustment screw
: Vehicle center
FRONT FOG LAMP AIMING ADJUSTMENT
EXL-187
< ON-VEHICLE MAINTENANCE >
[XENON TYPE]
C
D
E
F
G
H
I
J
K
M
A
B
EXL
N
O
P
Aiming Adjustment Procedure
INFOID:0000000001604720
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 prevent 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 adjustment 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).
Front fog lamp light distribution on the screen
Adjustment screw
Screw driver rotation
Facing direction
A
Headlamp (RH)
Clockwise
UP
Counterclockwise
DOWN
B
Front fog lamp (RH)
Clockwise
DOWN
Counterclockwise
UP
C
Front fog lamp (LH)
Clockwise
DOWN
Counterclockwise
UP
D
Headlamp (LH)
Clockwise
UP
Counterclockwise
DOWN
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
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