Nissan Sentra B18 (2020-2025) Service Manual: Headlamp Aiming Adjustment

Nissan Sentra B18 (2020-2025) Service Manual / Driver Controls / Exterior Lighting System :: Led Headlamp / Periodic Maintenance / Headlamp Aiming Adjustment

Aiming Adjustment

Aiming Adjustment

PREPARATION BEFORE ADJUSTING

Before performing aiming adjustment, check the following:

Ensure all tires are inflated to correct pressure.

Place Nissan Sentra vehicle and screen on level surface.

Ensure there is no load in vehicle other than the driver (or equivalent weight placed in driver's position).

Coolant and engine oil filled to correct level, and fuel tank full.

Remove cargo and/or luggage to maintain an unloaded Nissan Sentra vehicle condition.

Confirm spare tire, jack and tools are properly stowed.

Carefully wipe off any dirt from headlamp lens.

CAUTION:

Do not use organic solvent (thinner, gasoline etc.)

Place a driver or equivalent weight of 68.5 kg (150 lb) on the driver seat.

By hand, bounce the front and rear of the Nissan Sentra vehicle to settle the suspension and eliminate any static load.

Place the front tires in the straight ahead position.

Aim each headlamp individually and ensure other headlamp beam pattern is blocked from screen.

Note:

For headlamp aiming details, refer to regulations in your area.
By regulation, no means for horizontal aim adjustment is provided from the factory; only vertical aim is adjustable.
Use adjusting screw to perform aiming adjustment.
Perform headlamp aiming if:
- The Nissan Sentra vehicle front body has been repaired.
- The front combination lamp has been removed or replaced.
- Any outfitting has been installed.
- The Nissan Sentra vehicle’s standard load condition has been substantially increased.

WITHOUT PREMIUM PACKAGE

1.	Front combination lamp (LH)	2.	Front combination lamp (LH)	A.	Suitable tool
B.	Adjusting screw

WITH PREMIUM PACKAGE

1.	Front combination lamp (LH)	2.	Front combination lamp (LH)	A.	Suitable tool
B.	Adjusting screw

Aiming Adjustment procedure

Position the screen. Note:

Stop the Nissan Sentra vehicle facing the screen.
Place the screen on a plain road vertically.

Face the screen with the Nissan Sentra vehicle. Maintain 7.62m (25 ft) between the headlamp bulb center and the screen.

Start the engine. Turn the headlamp (LO) ON.

CAUTION:

Do not cover the lens surface with tape, etc. The lens is made of resin.

Note:

Aim each headlamp individually and ensure other headlamp beam pattern is blocked from screen.
For horizontal aiming, adjust headlamp until beam pattern is at horizontal center point.

AIMING CHART

1.	Adjustment screen	A.	Highest cutoff line height	B.	Lowest cutoff line height
C.	Headlamp bulb center (H-V point)	D.	Distance of headlamp aiming screen from Nissan Sentra vehicle 7.62 m (25 ft)	E.	Maximum aim evaluation distance from vertical center on aiming screen 399 mm (3°R)
F.	Minimum aim evaluation distance from vertical center on aiming screen 133 mm (1°R)	G.	Aim evaluation area	H.	Horizontal aiming evaluation line
V.	Vertical aiming evaluation line		Right

WITHOUT PREMIUM PACKAGE
A (Highest cutoff line height)	–13.3 mm (0.5 in)	0.1° up
B (Lowest cutoff line height)	13.3 mm (0.5 in)	0.1° down

WITH PREMIUM PACKAGE
A (Highest cutoff line height)	Left:	– 6.6 mm (0.3 in)	0.05° up
A (Highest cutoff line height)	Right:	– 39.9 mm (1.6 in)	0.3° up
B (Lowest cutoff line height)	Left:	19.9 mm (0.8 in)	0.15° down
B (Lowest cutoff line height)	Right:	– 13.3 mm (0.5 in)	0.1° up

Basic illuminating area for adjustment should be within the range shown on the aiming chart. Adjust headlamps accordingly.

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