Headlight Leveling Actuator Operation Check Mode Auto Leveling Control Module

WARNING: This page is about a different car, the 2017 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.

Connect the M-MDS to the DLC-2.
Switch the ignition ON (engine off or on).
Verify that LED headlight warning light is illuminated for 3 s and then turned off.

Fig 1: Locating LED Headlight Warning Light
Courtesy of MAZDA MOTORS CORP.
Turn on the headlights.
After vehicle identification, select in the following order from the M-MDS initial screen.
1. "Electrical"
2. "ExteriorLighting"
3. "Headlamp"
4. "Auto Leveling Sensor"
5. "Auto Leveling Actuator Test"
Verify that the headlight optical axis lowers from the current position and returns the original position after 2 s.
- If the headlight leveling actuator does not operate normally, replace the front combination light. (See FRONT COMBINATION LIGHT REMOVAL/INSTALLATION .)