Toyota Celica 1994-1998 Repair Guide

Headlights

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REMOVAL & INSTALLATION



See Figures 1, 2, 3, 4, 5, 6 and 7



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Fig. Fig. 1: Headlamp bulb socket (1) and wiring harness (2)

  1. Open the vehicle's hood and secure it in an upright position.
  2.  
  3. Disconnect the wiring from the back of the bulb socket.
  4.  



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Fig. Fig. 2: The clasp is part of the connector attached to the socket



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Fig. Fig. 3: Unplug the connector while depressing the lock release ...

  1. Unfasten the locking ring which secures the bulb and socket assembly, then withdraw the assembly rearward.
  2.  



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Fig. Fig. 4: ... turn the bulb and remove it



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Fig. Fig. 5: Do not hold the lamp by the bulb, this will ruin a good bulb from the oils on your hand

  1. If necessary, gently pry the socket's retaining clip over the projection on the bulb (use care not to break the clip.) Pull the bulb from the socket.
  2.  



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Fig. Fig. 6: Carefully pull the halogen headlight bulb from its socket. If applicable, release the retaining clip

To install:
  1. Before installing a light bulb into the socket, ensure that all electrical contact surfaces are free of corrosion or dirt.
  2.  
  3. Line up the replacement headlight bulb with the socket. Firmly push the bulb onto the socket until the spring clip latches over the bulb's projection.
  4.  



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Fig. Fig. 7: Insert the new bulb and connector into the mounting hole, then turn to secure


WARNING
Do not touch the glass bulb with your fingers. Oil from your fingers can severely shorten the life of the bulb. If necessary, wipe off any dirt or oil from the bulb with rubbing alcohol before completing installation.

  1. To ensure that the replacement bulb functions properly, activate the applicable switch to illuminate the bulb which was just replaced. (If this is a combination low and high beam bulb, be sure to check both intensities.) If the replacement light bulb does not illuminate, either it too is faulty or there is a problem in the bulb circuit or switch. Correct if necessary.
  2.  
  3. Position the headlight bulb and secure it with the locking ring.
  4.  
  5. Aim the headlights.
  6.  

AIMING THE HEADLIGHTS



See Figures 8, 9, 10, 11, 12, 13, 14, 15 and 16

The headlights must be properly aimed to provide the best, safest road illumination. The lights should be checked for proper aim and adjusted as necessary. Certain state and local authorities have requirements for headlight aiming; these should be checked before adjustment is made.


CAUTION
About once a year, when the headlights are replaced or any time front end work is performed on your vehicle, the headlight should be accurately aimed by a reputable repair shop using the proper equipment. Headlights not properly aimed can make it virtually impossible to see and may blind other drivers on the road, possibly causing an accident. Note that the following procedure is a temporary fix, until you can take your vehicle to a repair shop for a proper adjustment.

Headlight adjustment may be temporarily made using a wall, as described below, or on the rear of another vehicle. When adjusted, the lights should not glare in oncoming car or truck windshields, nor should they illuminate the passenger compartment of vehicles driving in front of you. These adjustments are rough and should always be fine-tuned by a repair shop which is equipped with headlight aiming tools. Improper adjustments may be both dangerous and illegal.

For most of the vehicles covered by this guide, horizontal and vertical aiming of each sealed beam unit is provided by two adjusting screws which move the retaining ring and adjusting plate against the tension of a coil spring. There is no adjustment for focus; this is done during headlight manufacturing.

Before removing the headlight bulb or disturbing the headlamp in any way, note the current settings in order to ease headlight adjustment upon reassembly. If the high or low beam setting of the old lamp still works, this can be done using the wall of a garage or a building:

  1. Park the vehicle on a level surface, with a filled fuel tank and with the vehicle empty of all extra cargo (unless normally carried). The vehicle should be facing a wall which is no less than 6 feet (1.8m) high and 12 feet (3.7m) wide. The front of the vehicle should be about 25 feet from the wall.
  2.  
  3. Bounce the vehicle several times.
  4.  



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Fig. Fig. 8: Headlight aiming screw locations

If aiming is to be performed outdoors, it is advisable to wait until dusk in order to properly see the headlight beams on the wall. If done in a garage, darken the area around the wall as much as possible by closing shades or hanging cloth over the windows.

  1. To adjust the headlight in the vertical alignment perform the following:
    1. Using the adjusting screw A , adjust the headlight aim to within specifications. Refer to the illustration.
    2.  
    3. Make sure the gage bubble is within the acceptable range.
    4.  
    5. If the bubble is outside the acceptable range, check that the vehicle is parked on a level spot. Readjust the headlight aim after parking the vehicle on the level spot.

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      Fig. Fig. 9: The bubble should be in the middle when adjusting the vertical alignment



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      Fig. Fig. 10: Note the bubble in the middle, this means the lamp is aligned correctly



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      Fig. Fig. 11: Headlight aiming adjustment bubble and alignment markings

    6.  

  2.  
  3. To adjust the headlight in horizontal alignment perform the following:
    1. Using the adjusting screw B , adjust the headlight aim to within specifications.
    2.  
    3. Using a flat-bladed tool, unlock the adjusting nut C . Lift and turn to adjust.
    4.  
    5. Slide the nut C to align the top of the triangle mark to the zero position.
    6.  
    7. Press the indicator nut C until it locks securely.
    8.  

  4.  



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Fig. Fig. 12: Turn the adjusting screw to adjust the headlight within specifications



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Fig. Fig. 13: Use a flat bladed tool to unlock the adjusting nut C ...



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Fig. Fig. 14: ... once unlocked, nut C can be moved to achieve the correct headlight aiming mark then ...



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Fig. Fig. 15: ... press the nut until it locks



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Fig. Fig. 16: The adjusting nut "C" is used to adjust the O back to the mark

 
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