| DTC B1306: | Rain Sensor Module Lost Communication with Combination Switch Control Unit |
| 1. | Clear the DTCs using the Honda PGM Tester or the HDS. |
| 2. | Check the DTCs by selecting the DTCs MENU (DTCs) from the Honda PGM Tester or the HDS. Is DTC B1009, B1063, or B1156 indicated? YES - Substitute a known-good relay module (under-hood fuse/relay box) and recheck. If the symptom goes away, replace the original under-hood fuse/relay box.n NO - Go to 3. |
| 3. | Disconnect the rain sensor 5P connector. |
| 4. | Check for continuity between the rain sensor 5P connector No. 3 terminal and body ground. Is there continuity? YES - Replase the rain sensor.n NO - Repair an open in the BLK wire or poor ground (LHD: G501, RHD: G601).n |