| DTC B1028: | Rear Window Wiper Signal Error |
| 1. | Clear the DTCs using the Honda PGM Tester or the HDS. |
| 2. | Cycle the ignition switch to OFF and then back ON (II). |
| 3. | Turn the rear window wiper switch to ON. Does the rear window wiper motor run? YES - Go to 4. NO - Go to 9. |
| 4. | With the rear window wiper motor running, select the TEST MODE MENU from the Honda PGM Tester or the HDS, and enter the DATA LIST. |
| 5. | Check the ON/OFF information of the RR WIPER AUTOST in the DATA LIST. Does the information indicator ON and OFF alternately? YES - Faulty MICU; replace the under-dash fuse/relay box.n NO - Go to 6. |
| 6. | Disconnect under-dash fuse/relay box connector Q (14P). |
| 7. | Check for continuity between the No. 2 terminal of under-dash fuse/relay box connector Q (14P) and the No. 4 terminal of the rear window wiper motor 4P connector and the No. 4 terminal of the rear window wiper motor relay 5P connector. Is there continuity? YES - Go to 8. NO - Repair an open in the LT GRN or LT GRN/BLK wire.n |
| 8. | Check for continuity between No. 2 terminal of the rear window wiper motor 4P connector and body ground. Is there continuity? YES - Faulty rear window wiper motor; replace it.n NO - Repair an open in the BLK wire or poor ground (G702).n |
| 9. | Check the No. 20 (7.5A) fuse in the under-dash fuse/relay box. Is the fuse OK? YES - Go to 10. NO - Replace the blown fuse and recheck the system.n |
| 10. | Check the rear window wiper motor relay. Is the relay OK? YES - Go to 11. NO - Replace the rear window wiper motor relay.n |
| 11. | Check for voltage between the No. 1 terminal of the rear window wiper motor 4P connector and body ground. Is there battery voltage? YES - Go to 12. NO - Repair an open in the YEL/GRN wire.n |
| 12. | Disconnect under-dash fuse/relay box connector Q (14P). |
| 13. | Check for continuity between the No. 9 terminal of under-dash fuse/relay box connector Q (14P) and the No. 5 terminal of the rear window wiper motor relay. Is there continuity? YES - Go to 14. NO - Repair an open in the LT BLU wire.n |
| 14. | Check for continuity between the No. 2 terminal of the rear window wiper motor relay 5P connector and body ground. Is there continuity? YES - Go to 15. NO - Repair an open in the BLK wire or poor ground (G703).n |
| 15. | Check for continuity between the No. 3 terminal of the rear window wiper motor 4P connector and the No. 1 terminal of the rear window wiper motor relay 5P connector. Is there continuity? YES - Go to 16. NO - Repair an open in the WHT wire.n |
| 16. | Perform the rear window wiper motor test. Does the rear window wiper motor operate correctly? YES - Faulty MICU, replace the under-dash fuse/relay box.n NO - Replace the rear window wiper motor.n |