DTC U3003:16 [Adaptive Front Lighting System (AFS) Control Module]: Notes
WARNING: This page is about a different car, the 2017 Mazda CX-5. However, it is still accessible from the selected car via links, so may be relevant.
DTC U3003:16 (ADAPTIVE FRONT LIGHTING SYSTEM (AFS) CONTROL MODULE) DETECTION CONDITION & POSSIBLE CAUSE
| Description |
Adaptive front lighting system (AFS) control module low power supply voltage input |
| Detection condition |
- Adaptive front lighting system (AFS) control module power supply circuit voltage of 9 V or less is detected for 5 s or more with the ignition switched ON (engine off or on).
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| Fail-safe |
- The swivel actuator is stopped at the position when the malfunction is determined.
- The headlight leveling actuator is stopped at the position when the malfunction is determined.
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| Possible cause |
- DTCs are stored in the PCM.
- Battery malfunction
- Generator malfunction
- Adaptive front lighting system (AFS) control module connector or terminal malfunction
- Adaptive front lighting system (AFS) control module power supply circuit malfunction
- Short to ground in wiring harness between METER1 10 A fuse and adaptive front lighting system (AFS) control module terminal N
- METER1 10 A fuse malfunction
- Open circuit in wiring harness between IG1 relay terminal C and adaptive front lighting system (AFS) control module terminal N
- Adaptive front lighting system (AFS) control module malfunction
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