| DTC B1275: | Headlight Switch OFF Position Circuit Malfunction |
| DTC B1277: | Headlight Switch AUTO Position Circuit Malfunction |
| 1. | Clear the DTCs using the Honda PGM Tester or HDS. |
| 2. | Cycle the ignition switch to OFF and then back ON. |
| 3. | Check the DTCs by selecting the DTCs MENU (DTCs) from the Honda PGM Tester or the HDS. Is DTC B1275, B1276, B1277 or B1278 indicated? YES - Go to 4. NO - Intermittent failure, the headlight system is OK at this time.n |
| 4. | Reset the DTCs by CLEAR MENU (DTC CLEAR) of the Honda PGM Tester or the HDS. |
| 5. | Turn the ignition switch ON (II) and wait for 2 seconds. |
| 6. | Turn the parking (small) light switch ON and wait for 2 seconds. |
| 7. | Turn the headlight light switch (LOW) ON and wait for 2 seconds. |
| 8. | Change the dimmer switch position from low beam to high beam and wait for 2 seconds. |
| 9. | Check the DTCs by selecting the DTCs MENU (DTCs) from the Honda PGM Tester or the HDS. Is DTC B1275, B1276, B1277, B1278 indicated? YES - Go to 10 (LHD type) or faulty combination light switch control unit; replace the combination light switch (RHD type). NO - Intermittent failure, the combination switch and the control unit are OK at this time.n |
| 10. | Disconnect the combination light switch 12P connector from the wiper/washer switch (LHD type) or combination light switch (RHD type). |
| 11. | Perform the combination light switch test (LHD type). Is the continuity check OK? YES - Faulty combination switch control unit, replace the wiper/washer switch (LHD type).n NO - Replace the combination light switch (LHD type).n |