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What is the reason for the Lexus AFSOFF light to come on?

1 Answers

VonMarcus

07/30/25 3:49am

Lexus AFSOFF light coming on indicates that the headlight's adaptive front-lighting system (AFS) function has been turned off. Press the switch button located above the brake pedal to reactivate the AFS function. Check the AFS module, use a decoder to match and set, and clear the fault code to eliminate the AFS warning light. AFS is the headlight's adaptive front-lighting system function, which moves the headlight beam left or right according to the vehicle speed and steering wheel angle, improving visibility at intersections and during turns. If the indicator light stays on, it means this function is turned off. If the indicator light flashes, it indicates a malfunction in this function. The Lexus AFS function is turned on by default, and the switch button is located on the plastic cover above the brake pedal. When the AFS function malfunctions, you can also try disconnecting the negative terminal of the battery. First, ensure the vehicle's power is turned off, then open the engine hood, locate the negative terminal of the battery, use a wrench or other tools to disconnect it, wait for about ten minutes, and then reconnect it. This will initialize the vehicle's control system. AFSOFF light flashing: If the AFSOFF indicator light on the dashboard flashes, it indicates a system malfunction. If repair is needed, take the vehicle to a service center. Use professional diagnostic equipment to read the fault storage in the system to further confirm the cause of the malfunction. Through data measurement and comparison, identify and resolve the fault.

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