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Home >> Mazda >> 2021 >> CX-9 Signature >> Repair and Diagnosis >> Accessories & Equipment >> Headlights >> On-Board Diagnostic - Auto Leveling Control Module >> Headlight Leveling Actuator Operation Check Mode [Auto Leveling Control Module]
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Headlight Leveling Actuator Operation Check Mode [Auto Leveling Control Module]

  1. Connect the M-MDS to the DLC-2.
  2. Switch the ignition ON (engine off or on).
  3. Verify that LED headlight warning light is illuminated for 3 s and then turned off.
    G13700490Courtesy of MAZDA MOTORS CORP.
  4. Turn on the headlights.
  5. After vehicle identification, select in the following order from the M-MDS initial screen.

    Type-A 

    1. "Electrical"
    2. "ExteriorLighting"
    3. "Headlamp"
    4. "Auto Leveling Sensor"
    5. "Auto Leveling Actuator Test"

    Type-B 

    1. "Toolbox"
    2. "Work Support"
    3. "LIGHTING SYSTEMS"
    4. "Auto Leveling Sensor"
  6. Verify that the headlight optical axis lowers from the current position and returns the original position after 2 s.