BEFORE STARTING ADJUSTMENT
CAUTION / NOTICE / HINT
NOTICE:
When replacing the windshield glass of a vehicle equipped with a forward recognition camera, make sure to use a Toyota genuine part. If a non-Toyota genuine part is used, the forward recognition camera may not be able to be installed due to a missing bracket or the pre-collision system may not operate properly due to a difference in the transmissivity of the windshield glass or the shape of the black ceramic border.
HINT:
*a | Target | - | - |
![]() | Target recognition area | - | - |
As the target will appear dark to the camera if the target is backlit, the contrast of the black and white parts of the target will decrease and the target may not be recognized.
If the surface of the target is unevenly illuminated, the contrast of the black and white parts of the target will decrease and the target may not be recognized.
If the target is placed in an area that is dark, the contrast between the target and the background will decrease and the target may not be recognized.
Make sure that the shadow of the target is not cast onto a wall as this may cause a target recognition error.
If an object, such as clear adhesive tape, is attached to the target surface or if the target is laminated, the target surface will reflect light. As the reflected light will appear white to the camera, the target may not be recognized.
*a | Actual Target | *b | Target as Seen by Forward Recognition Camera |
![]() | Reflective Object or Surface | - | - |
If the borders of the black and white parts of the target appear blurry to the camera, the detected contrast will be low and the target may not be recognized.
If the target is moving, due to being blown by the wind, etc., it may not be recognized.
If the target and vehicle are not level when learning is performed, an incorrect center of the direction of travel of the vehicle may be learned or the forward recognition camera may not be able to detect the target.
*A | for One Time Recognition | *B | for Sequential Recognition |
Recognition Method | Target Position | Number of Times Target Recognition Performed |
---|---|---|
One Time Recognition | 1 (In front of front bumper) | 1 |
Sequential Recognition | 3 (3 m (9.84 ft.) from the forward recognition camera) | 3 |
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