Headlamp Auto Aiming
| Operating range | With 18-inch wheel (Reference value) | With 19-inch wheel (Reference value) | Vehicle height |
|---|---|---|---|
| A | 0 mm (Standard position) | 0 mm (Standard position) | Unloaded vehicle position |
| B | Approx. 200 mm (7.9 in) | Approx. 180 mm (7.1 in) | Low |
Headlamp auto aiming control automatically corrects vertical deviation of light axis that is brought by the change of vehicle height with changing number of passenger and laden weight, and relieves dazzle to oncoming vehicles.
AFS control unit determines the current vehicle conditions by each received signals, and sends commands to the low beam headlamps to auto aiming. With the headlamps (HIGH/LOW) illuminated and engine running, the low beam headlamps are operative by AFS control unit commands.
The height sensor is located on the left side of the rear suspension member and detects rear vehicle height change by sensing the displacement of the rear suspension arm. And transmits a height sensor signal to the AFS control unit.
With reference to the rear vehicle height under the empty condition, light axis of low beam with low rear vehicle height is relatively higher than that with the empty condition. AFS control unit switches drive signal corrects height of low beam axis to maintain height of light axis with empty condition.
Light axis of low beam with high rear vehicle height is relatively lower than that with empty condition. Light axis of low beam with empty condition is set as upper limit of headlamp auto aiming control operation. Control to correct deviation is not performed when light axis of low beam gets relatively higher than that with empty condition. Timing of control is switched in accordance with driving conditions.
- Headlamp auto aiming operation
| Low beam status | Vehicle speed | Engine speed | AFS switch | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Illuminated(1) | Control switch by driving conditions(2) | While engine running | Irrespective(3) | ||||||
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