AFS off light flash on the Dash after replacement of rear shocks

You can't install LED headlights on a vehicle that didn't have them as OEM installed. The headlights on all modern cars are monitored by the BCM and collect information via the Can-Bus computer network. The LED control board in the lamp puts data into the network the computer doesn't understand. That causes strange things to happen like confusing AFS which is also computer operated from the same computer.

Put the old bulbs back.

'year make model' in all questions please, first 3 words.

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afs off light flashing - ClubLexus - Lexus Forum Discussion

ClubLexus https://www.clublexus.com > forums > 984100-afs-off...
Apr 9, 2022 - Press the AFS OFF switch twice (once ON and once OFF). HINT: The AFS OFF indicator light stays lit for two seconds. When the AFS OFF switch is ...

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Lexus Owners Club https://www.lexusownersclub.co.uk > forum > topic
Nov 27, 2010 - 99% of the time when people get the AFS off flashing light it is the mechanical bit of the rear suspension level sensor that has snapped so I ...

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Please watch the attached video at the link

LEXUS AFS FLASHING LIGHT PROBLEM EASY FIX

maybe need to get the falt cleard from the ecu

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These details will help.
Thanks.

tire pressure monitor or need calibrating

Adaptive Front lighting System (AFS) is used when for example if it was day time and you entered a dark parking garage the lights would detect and adapt to the lighting environment which will then automatically trigger the Bi-xenon headlights to turn on themselves in order to illuminate the road ahead when the vehicle anticipates it is necessary. It is an automatic feature which turns on by itself for your convenience therefore you wont have to induce any actions, the car does it all for you. And most Importantly (I quote) "the Adaptive Front lighting System (AFS) automatically controls the headlight lighting pattern according to steering angle and vehicle speed to help provide better visibility at night."

the leveling light wont shut off because the compressor is running and trying 2 fill up the rear air shocks that are probably popped

I have a Lancer GT 2008, suddenly the AFS light on the dash board came on and a message "service required" appeared. took it to the to garages to check the problem on their diagnostic equipment and also took it to the dealer. all tried to reset the cars system, but immediately after resetting the system, the AFS light comes on again with the same message. Has anyone encounter a similar problem. Thanks

The problem is a leaking air shock(s). My 1997 catera had this problem also. I drove the rear wheels up on a set of ramps and went underneath. There is a sensor located close to the rear axle's that moves up when the car is loaded in the rear. (luggage/person in the back seat). When the car senses the extra weight, a small compressor located up under the hood pumps air to the air shocks until the car is back level again. With the key turned on, and the engine off, You can actually move this sensor with your hand and after about 45 seconds, you will hear the small electric compressor come on and see the rear of the car rise. Even if the shock is leaking, the car will still rise but you can hear/feel the air leak on the rubber boot of the shock. The reason the light never stops flashing is because of the air leak the car never really reaches proper leveling. I know what your thinking, "I didn't have extra weight in the car"..doesn't matter car still levels itself from time to time without extra load in the rear. Possible road conditions etc. and also the fact your basically riding around with only one rear shock working like it should. hope this helps......dave