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Home >> Mazda >> 2019 >> CX-9 Signature >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Headlights >> On-Board Diagnostic - Adaptive Front Lighting Control Module >> DTC U3000-49: Adaptive Front Lighting System (AFS) Control Module Internal Malfunction [Adaptive Front Lighting System (AFS) Control Module] >> Diagnostic Procedure
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Diagnostic Procedure

DTC U3000:49 [ADAPTIVE FRONT LIGHTING SYSTEM (AFS) CONTROL MODULE] DIAGNOSTIC PROCEDURE

Step Inspection Action
1 VERIFY IF MALFUNCTIONING LOCATION IS ADAPTIVE FRONT LIGHTING SYSTEM (AFS) CONTROL MODULE DEPENDING ON REPEATABILITY
  • Is the same DTC displayed?
Yes Replace the adaptive front lighting system (AFS) control module, then go to the next step.
(See ADAPTIVE FRONT LIGHTING SYSTEM (AFS) CONTROL MODULE REMOVAL/INSTALLATION .)
No Go to the next step.
      Repair the malfunctioning part according to the applicable DTC troubleshooting.
2 VERIFY IF OTHER DTCs DISPLAYED
  • Are any other DTCs displayed?
Yes (See DTC TABLE [ADAPTIVE FRONT LIGHTING SYSTEM (AFS) CONTROL MODULE] .)
No DTC troubleshooting completed.