up/down adjustment on GS auto leveling HIDs
Thread Starter
Lexus Fanatic
Joined: Aug 2004
Posts: 6,947
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From: Florida
up/down adjustment on GS auto leveling HIDs
I've searched and found some info, but not clear.......
Since I put on the Teins the front of my car is about a quater inch lower in relation to the rear than before(which is what I wanted)
It seems like the HIDs need to come up just a little. the bubbles are just outside the center of level on headlights.
Here is my understanding, please tell me if I'm right. Wherever the lights are adjusted to via the screw on headlights, that is where the computer levels to. Does it matter if the ignition is on when you adjust the screw?
Is this screw in center of pic the one for up and down adjustment?
thanks
Since I put on the Teins the front of my car is about a quater inch lower in relation to the rear than before(which is what I wanted)
It seems like the HIDs need to come up just a little. the bubbles are just outside the center of level on headlights.
Here is my understanding, please tell me if I'm right. Wherever the lights are adjusted to via the screw on headlights, that is where the computer levels to. Does it matter if the ignition is on when you adjust the screw?
Is this screw in center of pic the one for up and down adjustment?
thanks
Lexus Champion
Joined: May 2002
Posts: 2,781
Likes: 6
From: Georgia
Yes, that little 8mm screw is for the up. You can adjust it with the key off, but make sure you find a good level pavement.
The auto leveling function got the signal from sensors located on the front and rear lower control arms. Those sensors send the signal to HID ECU to adjust the headlight up or down while you're driving. The sensors measure the load of the vehicle, the braking, the Yaw rate sensor which measure the turns, up or down hills etc.... That's was what Lexus means of auto leveling while you're driving and trying to keep head light as level as posible.
The auto leveling function got the signal from sensors located on the front and rear lower control arms. Those sensors send the signal to HID ECU to adjust the headlight up or down while you're driving. The sensors measure the load of the vehicle, the braking, the Yaw rate sensor which measure the turns, up or down hills etc.... That's was what Lexus means of auto leveling while you're driving and trying to keep head light as level as posible.
Thread Starter
Lexus Fanatic
Joined: Aug 2004
Posts: 6,947
Likes: 4
From: Florida
Originally Posted by VVT-i
Yes, that little 8mm screw is for the up. You can adjust it with the key off, but make sure you find a good level pavement.
The auto leveling function got the signal from sensors located on the front and rear lower control arms. Those sensors send the signal to HID ECU to adjust the headlight up or down while you're driving. The sensors measure the load of the vehicle, the braking, the Yaw rate sensor which measure the turns, up or down hills etc.... That's was what Lexus means of auto leveling while you're driving and trying to keep head light as level as posible.
The auto leveling function got the signal from sensors located on the front and rear lower control arms. Those sensors send the signal to HID ECU to adjust the headlight up or down while you're driving. The sensors measure the load of the vehicle, the braking, the Yaw rate sensor which measure the turns, up or down hills etc.... That's was what Lexus means of auto leveling while you're driving and trying to keep head light as level as posible.
Lexus Test Driver
Joined: May 2004
Posts: 998
Likes: 0
From: California
Originally Posted by VVT-i
Yes, that little 8mm screw is for the up. You can adjust it with the key off, but make sure you find a good level pavement.
The auto leveling function got the signal from sensors located on the front and rear lower control arms. Those sensors send the signal to HID ECU to adjust the headlight up or down while you're driving. The sensors measure the load of the vehicle, the braking, the Yaw rate sensor which measure the turns, up or down hills etc.... That's was what Lexus means of auto leveling while you're driving and trying to keep head light as level as posible.
The auto leveling function got the signal from sensors located on the front and rear lower control arms. Those sensors send the signal to HID ECU to adjust the headlight up or down while you're driving. The sensors measure the load of the vehicle, the braking, the Yaw rate sensor which measure the turns, up or down hills etc.... That's was what Lexus means of auto leveling while you're driving and trying to keep head light as level as posible.
Originally Posted by DetMich1
VVT-i, where is the ECU or computer for each self-leveling HID headlight located and what does it look like? Can you access it for removal without taking the headlights out of the car? I am trying to trouble shoot a single headlight that does not self-level. The other one works fine. I have a replacement leveling motor in case I need it.
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