| DTC B1080: | Power Supply Circuit (IG1 line) Input Error for Relay Control Module and MICU |
| 1. | Clear the DTCs using the Honda PGM Tester or the HDS. |
| 2. | Cycle the ignition switch to OFF and then back ON. |
| 3. | Turn the ignition switch ON (II) and wait for 2 seconds or more. Is DTC B1080 indicated again? YES - Go to 4. NO - Intermittent failure, the relay module is OK at this time.n |
| 4. | Turn the washer switch on. Does the washer fluid squirt? YES - Go to 5. NO - Go to 6. |
| 5. | Check the MICU IG1 power supply No. 21 (7.5A) fuse in the under-dash fuse/relay box. Is the fuse OK? YES - Faulty MICU; replace the under-dash fuse/relay box.n NO - Replace the fuse and recheck for DTCs.n |
| 6. | Check the washer motor power supply No. 20 (7.5A) fuse in the under-dash fuse/relay box. Is the fuse OK? YES - Go to 7. NO - Replace the fuse and recheck for DTCs.n |
| 7. | Check for continuity between the C5 terminal of the under-dash fuse/relay box and washer motor No. 1 terminal. Is there continuity? YES - Go to 8. NO - Repair the open in the YEL/GRN wire. |
| 8. | Check for continuity between the washer switch No. 2 terminal and J1 terminal of the under-dash fuse/relay box. Is there continuity? YES - Replace the relay control module.n NO - Repair the open in the WHT/BLK wire.n |