Toyota Highlander manuals

Toyota Highlander Service Manual: Adjustment

1. VEHICLE PREPARATION FOR HEADLAMP AIM ADJUSTMENT

(a) Prepare the vehicle:

2. PREPARATION FOR HEADLAMP AIMING (Using a screen)

(a) Prepare the vehicle according to the following conditions:

NOTICE: A distance of 7.62 m (25 ft) between the vehicle and the wall is necessary for proper aim adjustment. If unavailable, secure a distance of exactly 3 m (9.84 ft) for check and adjustment.

(The target zone will change with the distance so follow the instructions in the illustration.)

(b) Prepare a piece of thick white paper (approximately 2 m (height) x 4 m (width)) to use as a screen.

(c) Draw a vertical line down the center of screen (V line).

(d) Set the screen as shown in the illustration.

HINT:

PREPARATION FOR HEADLAMP AIMING (Using a screen)


(e) Draw base lines (H line, V LH, V RH lines) on the screen as shown in the illustration.

PREPARATION FOR HEADLAMP AIMING (Using a screen)


HINT:

  1.  H Line (Headlamp height): Draw a horizontal line across the screen so that it passes through the center marks. The H line should be at the same height as the headlamp bulb center marks of the low-beam headlamps.
  2.  V LH Line, V RH Line (Center mark position of lefthand (LH) and right-hand (RH) headlamps): Draw two vertical lines so that they intersect the H Line at each center mark (aligned with the center of the low-beam headlamp bulbs).

3. HEADLAMP AIMING INSPECTION

(a) Cover or disconnect the connector of the headlamp on the opposite side to prevent light from the headlamp not being inspected from affecting headlamp aiming inspection.

NOTICE: Do not keep the headlamp covered for more than 3 minutes. The headlamp lens is made of synthetic resin, and may easily melt or be damaged due to heat.

HINT: When checking the aim of the high-beam, cover the low-beam or disconnect the connector. (b) Start the engine.

NOTICE: Engine rpm must be 1,500 or more.

(c) Turn on the headlamp and make sure that the cutoff line falls within the specified area, as shown in the illustration.

HINT: Since the low-beam light and the high-beam light are a unit, if the aim on one is correct, the other should also be correct. However, check both beams just to make sure.

HEADLAMP AIMING INSPECTION


4. HEADLAMP AIMING ADJUSTMENT

HEADLAMP AIMING ADJUSTMENT


(a) Adjust the aim vertically: Adjust the headlamp aim into the specified range by turning aiming screw with a screwdriver.

NOTICE: The final turn of the aiming screw should be made in the clockwise direction. If the screw is tightened excessively, loosen it and then retighten it, so that the final turn of the screw is in the clockwise direction.

HINT:

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