Infiniti G37 Coupe. Manual - part 691

 

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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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