DTC Troubleshooting: B1075
DTC Troubleshooting: B1075
| DTC B1075: | Headlight Signal Error |
| 1. | Clear the DTCs using the Honda PGM Tester or the HDS. |
| 2. | Turn the headlights switch from the OFF position to the ON position. |
| 3. | Check the DTCs by selecting the DTCs MENU (DTCs) from the Honda PGM Tester or the HDS. Is DTC B1075 indicated? YES - Go to 4. NO - Intermittent failure, the headlight circuit is OK at this time.n |
| 4. | With the headlight switch OFF, 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 HEADLIGHT BACKUP in the DATA LIST. Is the information indicator OFF? YES - Go to 6. NO - Go to 9. |
| 6. | Turn the headlight switch ON. |
| 7. | Check the ON/OFF information of the HEADLIGHT BACKUP in the DATA LIST. Is the information indicator ON? YES - Troubleshoot DTC B1278.n NO - Go to 8. |
| 8. | Check for continuity between the No. 6 terminal of the relay module 10P connector and the No. 1 terminal of the wiper/washer switch (LHD type) or combination light switch (RHD type) (combination switch control unit) 8P connector. RELAY MODULE 10P CONNECTOR(UNDER-HOOD FUSE/RELAY BOX)WIPER/WASHER SWITCH or COMBINATION LIGHT SWITCH 8P CONNECTORWire side of female terminalsWire side of female terminalsWHT (HEADLIGHT BACKUP) Is there continuity? YES - Faulty combination switch control unit; replace the wiper/washer switch (LHD type) or combination light switch (RHD type).n NO - Repair an open in the WHT wire.n |
| 9. | Check for continuity between the No.6 terminal of the relay module 10P connector and body ground. RELAY MODULE 10P CONNECTOR(UNDER-HOOD FUSE/RELAY BOX)Wire side of female terminalsWHT (HEADLIGHT BACKUP) Is there continuity? YES - Repair a short in the WHT wire.n NO - Faulty combination switch control unit; replace the wiper/washer switch (LHD type) or combination light switch (RHD type).n |