ES300 – NEW FEATURES 29 LIGHTING 1. Discharge Headlight Discharge Headlights have been adopted to the low-beam headlights as optional equipment. This lights provide a high level of visibility. The basic construction and operation are the same as in the ’98 LS400. However, on the ’00 ES300, the light control computer is built into the head- light assembly. Metal Halide Bulb Light Control Computer 173ES13 2. Automatic Headlight Beam Level Control System General The automatic headlight beam level control system regulates the orientation of the reflectors of the head- lights in relation to the posture of the vehicle that has been detected by sensor.
Thus, it is a system that main- tains the headlight beams to a constant level while the vehicle is being driven. The basic construction and operation are the same as in the ’98 LS400. However, the following items have been changed in the ’00 ES300. One height control sensor, which detects the postural changes of the vehicle, has been mounted on the rear right suspension. A leveling indicator light, which informs the driver if a malfunction occurs in the system, has been pro- vided in the combination meter. System Diagram Headlight Leveling ECU Skid Control ECU Height Control Sensor Actuator 173ES14