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 auto leveling 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 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
- Auto leveling control module connector or terminal malfunction
- Short to ground in wiring harness between auto leveling control module terminal H and front combination light (RH) terminal N
- Open circuit in wiring harness between auto leveling control module terminal H and front combination light (RH) terminal N
- Front combination light (RH) malfunction
- Auto leveling control module malfunction
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