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Why does the adaptive headlight system warning light come on in the Mitsubishi Lancer?

1 Answers

XavierRose

07/30/25 3:28am

The reasons why the system warning light comes on when the headlights are turned on include: when the headlights are off, the system operates normally, but as soon as the headlights are turned on, the system warning light illuminates. This can generally be attributed to a fault caused by the headlights. Possible causes may be issues with the system detection circuit or problems with the headlight power supply, which require professional inspection at a repair shop. Until the cause is identified, avoid turning on the headlights to prevent the fault from worsening. Introduction to Adaptive Headlights: Automatic headlights are a light-sensing control system installed by some car manufacturers for user convenience. When the light intensity exceeds or falls below a certain threshold, the headlights automatically turn on or off. When the ambient light dims while driving, the headlights will automatically turn on, and they will turn off when the light becomes brighter. Principle of Adaptive Headlights: The car's wheel speed sensor and steering wheel angle sensor continuously transmit detected signals to the ECU. The ECU processes these signals, analyzes the data, and outputs commands for the headlight angle adjustment, causing the headlights to rotate to the corresponding angle.

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