DTC B1D00-13: Headlight (LH) Circuit Malfunction: Notes
DTC B1D00:13 ADAPTIVE FRONT LIGHTING SYSTEM (AFS) CONTROL MODULE DETECTION CONDITION AND POSSIBLE CAUSE
| Description |
Headlight (LH) Circuit Malfunction |
| Detection condition |
- The AFS control module detected an open circuit in the headlight (LH) circuit during the headlight LO on control for 5 s or more with the ignition switched ON (engine off or on).
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| Fail-safe |
- Control of the AFS is continued.
- Control of the headlight auto leveling system is continued.
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| Possible cause |
- DTCs are stored in the front body control module (FBCM).
- Headlight LO (LH) circuit malfunction
- Front combination light (LH) connector or terminal malfunction
- AFS control module connector or terminal malfunction
- Short to ground in wiring harness between AFS control module terminal L and front combination light (LH) terminal N
- Open circuit in wiring harness between AFS control module terminal L and front combination light (LH) terminal N
- Front combination light (LH) malfunction
- AFS control module malfunction
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 Courtesy of MAZDA MOTORS CORP.
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