8634A113 Mitsubishi SENSOR,LIGHT CONTROL, Price: 128.83$, Weight: 0.078kg

Automatic Light Control Sensor for Mitsubishi 💡

Keep your lights smart and safe with this OEM‑grade ambient light control sensor. It reads outside brightness and tells the vehicle’s control unit when to switch headlights and dash illumination. Ideal as a genuine‑style replacement for a dim, slow, or erratic auto headlight sensor.

Why this part is needed 🔧

It boosts safety at dusk, in tunnels, and during storms by turning lamps on at the right moment. It reduces distraction and helps extend bulb life. A healthy light sensor supports energy efficiency and consistent night‑time visibility.

How it works

A calibrated photodiode measures lux through its clear window. The sensor sends a signal to the body/ETACS module via a dedicated line or network. The module then commands headlamps and backlighting. Temperature compensation keeps readings stable, and response is smooth to avoid flicker.

What happens if it’s broken ⚠️

Symptoms include lights staying on, staying off, or delayed reaction. The auto mode may disable, forcing manual switching. You can see battery drain, poor night visibility, or warning codes stored in the control unit.

Tech notes

Direct fit, plug‑and‑play. Clean the sensor window and windshield area for best accuracy. Usually no coding; install in the original bracket and verify auto mode operation. ✅

Compatibility

• Xpander
• Xpander HEV