Component Function Within System

WARNING: This page is about a different car, the 2024 Mitsubishi Outlander. However, it is still accessible from the selected car via links, so may be relevant.

When power is supplied from battery and receives control signal from the IPDM E/R, the LED headlight control module internally calculates the supplied power. The calculated power is distributed to multiple LEDs that consist of circuit boards and other components, illuminating the each lamps.

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
When a malfunction is detected in the headlight (LO) circuit, the LED headlight control module outputs a headlight warning signal to the IPDM E/R (via LIN communication) to inform the driver of the malfunction.