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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 |
| B16A2 | Turn signal(LH) bulb outage |  |
| B16A3 | Turn signal(LH) circuit short | |
| B16A4 | Turn signal(RH) bulb outage | |
| B16A5 | Turn signal(RH) circuit short | |
| B16A6 | Turn signal fuse blown | |
| B1E25 | Multichannel Driver CH1 Defective (Open/Short) | |
| B1E2A | Multichannel Driver CH6 Defective (Open/Short) | |
| DTC No. | Diagnostic item | Reference page |
| L0432 | RLS* RS adaptation error <Vehicles with lighting control sensor> | |
| L0434 | RLS* Light sensor error <Vehicles with lighting control sensor> | |
| L0436 | RLS* Rain sensor error <Vehicles with lighting control sensor> |
| note | *: Rain light sensor (Lighting control sensor) |