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Diagnostic Procedure

WARNING: This page is about a different car, the 2018 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.
DTC U2300:54 ADAPTIVE FRONT LIGHTING SYSTEM (AFS) CONTROL MODULE DIAGNOSTIC PROCEDURE

Step Inspection Action
1 VERIFY INSTRUMENT CLUSTER DTCs Yes Repair the malfunctioning part according to the applicable DTC troubleshooting.
(See DTC TABLE [INSTRUMENT CLUSTER] .)
No Go to the next step.
2 RESET INSTRUMENT CLUSTER CONFIGURATION DATA Yes Replace the 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.
3 VERIFY IF OTHER DTCs DISPLAYED
  • Are any other DTCs displayed?
Yes Repair the malfunctioning part according to the applicable DTC troubleshooting.
(See DTC TABLE (ADAPTIVE FRONT LIGHTING SYSTEM (AFS) CONTROL MODULE) .)
No DTC troubleshooting completed.