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| caution | On troubleshooting, if the ignition switch is turned "ON" while disconnecting connector(s), DTC(s) associated with other system may be set. On completion, confirm all systems for DTC(s). If DTC(s) are set, erase them all. |
| DTC No. | Diagnostic item | Reference page |
| B1E11 | Low Beam Light(RH) Open Load or Blown Error |  |
| B1E12 | Low Beam Light(LH) Open Load or Blown Error | |
| B1E13 | Low Beam Light(RH) Overload or Short Circuit | |
| B1E14 | Low Beam Light(LH) Overload or Short Circuit | |
| B1E15 | Low Beam Light(RH) deactivated (FET failure) | |
| B1E16 | Low Beam Light(LH) deactivated (FET failure) | |
| B1E2A | Multichannel Driver CH6 Defective (Open/Short) | |
| DTC No. | Diagnostic item | Reference page |
| L0434 | RLS* Light sensor error <Vehicles with lighting control sensor> | |
| L0436 | RLS* Rain sensor error <Vehicles with lighting control sensor> | |
| L0444 | RLS* Battery voltage high error <Vehicles with lighting control sensor> | |
| L0446 | RLS* Battery voltage low error <Vehicles with lighting control sensor> |
| note | *: Rain light sensor (Lighting control sensor) |