LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Mazda >> 2021 >> CX-3 AWD >> Repair and Diagnosis (Single Page) >> External Pages >> Different car >> Section 44 (On-Board Diagnostic - Adaptive Front Lighting System Control Module) >> DTC U3000-42: AFS Control Module Internal Malfunction >> Notes
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC U3000-42: AFS Control Module Internal Malfunction: Notes

WARNING: This page is about a different car, the 2016 Mazda CX-3. However, it is still accessible from the selected car via links, so may be relevant.
System malfunction location AFS control module internal malfunction
Detection condition 
  • Malfunction in the AFS control module internal EEPROM is detected.
Fail-safe 
  • The swivel actuator is moved to the center.
  • The headlight leveling actuator is stopped at the position when the malfunction is determined.
Possible cause 
  • AFS control module internal malfunction
System wiring diagram  -