Nissan Sentra Service Manual: Headlamp
Aiming adjustment
Preparation before adjusting
Before performing aiming adjustment, check the following:
- Ensure all tires are inflated to correct pressure.
- Place 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 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 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 vehicle front body has been repaired.
- The front combination lamp has been removed or replaced.
- Any outfitting has been installed.
- The vehicle’s standard load condition has been substantially increased.

- Front combination lamp
- Suitable tool (for aiming adjustment)
- Adjusting screw
Aiming adjustment procedure
- Position the screen.
Note:
- Stop the vehicle facing the screen
- Place the screen on a plain road vertically.
- Face the screen with the vehicle. Maintain 10 m (33 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.

- Right
- Left
- Center of headlamp bulb (H-V point)
- Cutoff line
- Screen
- Aim evaluation segment
- Step
- Horizontal center line of head lamp
- 30 mm (1.18 in)
- 4 mm (0.16 in)
- 10 m (33 ft)
- 480 mm (18.90 in)
- 160 mm (6.30 in)
- Vertical center line of headlamp
- Basic illuminating area for adjustment should be within the range shown
on the aiming chart. Adjust
headlamps accordingly.
Aiming adjustment
PREPARATION BEFORE ADJUSTING
The fog lamp is a semi-sealed beam type which uses a replaceable halogen
bulb. Before performing aiming
adjustment procedure, check the following:
...
Other materials:
Electrical units location
Electrical units location
Engine compartment
Passenger compartment
Luggage compartment
...
Wiring diagram
SRS AIR BAG SYSTEM
Wiring Diagram
...
Diagnosis description : malfunction indicator lamp (MIL)
When emission-related ECU detects a malfunction in the emission
control systems components and/or the powertrain control components
(which affect vehicle emissions), it turns on/blinks MIL to
inform the driver that a malfunction has been detected.
The MIL illuminates when ignition switch is t ...
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