DTC B1D01-13: Headlight Circuit Malfunction: Notes
WARNING: This page is about a different car, the 2016 Mazda MX-5 Miata. However, it is still accessible from the selected car via links, so may be relevant.
| Description |
Headlight (RH) circuit malfunction |
| Detection condition |
- The adaptive front lighting system (AFS) control module detected an open circuit in the headlight (RH) circuit during the headlight LO on control with the ignition switched ON (engine off or on).
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| Fail-safe |
- Control of the adaptive front lighting system (AFS) is continued.
- Control of the headlight auto leveling system is continued.
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| Possible cause |
- DTCs are stored in the electrical supply unit (ESU).
- Headlight LO (RH) circuit malfunction
- Front combination light (RH) connector or terminal malfunction
- Adaptive front lighting system (AFS) control module connector or terminal malfunction
- Short to ground in wiring harness between adaptive front lighting system (AFS) control module terminal H and front combination light (RH) terminal N
- Open circuit in wiring harness between adaptive front lighting system (AFS) control module terminal H and front combination light (RH) terminal N
- Front combination light (RH) malfunction
- Adaptive front lighting system (AFS) control module malfunction
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