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Home >> Mazda >> 2019 >> CX-9 Signature >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Headlights >> On-Board Diagnostic - Auto Leveling Control Module >> DTC B1044-01: Auto Leveling Sensor Circuit Malfunction [Auto Leveling Control Module] >> Notes
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DTC B1044-01: Auto Leveling Sensor Circuit Malfunction [Auto Leveling Control Module]: Notes

DTC B1044:01 (AUTO LEVELING CONTROL MODULE) DETECTION CONDITION AND POSSIBLE CAUSE

Description Auto leveling sensor circuit malfunction
Detection condition  
  • Auto leveling control module detected the auto leveling sensor circuit voltage of 0.25 V or less or 4.75 V or more for 10 s or more with the ignition switched ON (engine off or on).
Fail-safe  
  • The headlight leveling actuator is stopped at the position when the malfunction is determined.
Possible cause  
  • Auto leveling sensor connector or terminal malfunction
  • Auto leveling control module connector or terminal malfunction
  • Short to ground in wiring harness between the following terminals:
    • Auto leveling control module terminal I-Auto leveling sensor terminal C
    • Auto leveling control module terminal K-Auto leveling sensor terminal B
      • Auto leveling control module terminal C-Auto leveling sensor terminal A
  • Short to power supply in wiring harness between the following terminals:
    • Auto leveling control module terminal I-Auto leveling sensor terminal C
    • Auto leveling control module terminal K-Auto leveling sensor terminal B
      • Auto leveling control module terminal C-Auto leveling sensor terminal A
  • Open circuit in wiring harness between the following terminals:
    • Auto leveling control module terminal I-Auto leveling sensor terminal C
    • Auto leveling control module terminal K-Auto leveling sensor terminal B
      • Auto leveling control module terminal C-Auto leveling sensor terminal A
  • Auto leveling sensor malfunction
  • Auto leveling control module malfunction
G13447187Courtesy of MAZDA MOTORS CORP.