| DTC B1279: | Headlight Switch DIMMER Position Circuit Malfunction |
| 1. | Clear the DTCs using the Honda PGM Tester or the 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 B1279 indicated? YES - Go to 4. NO - Intermittent failure. The turn signal switch circuit is OK at this time. |
| 4. | Reset the DTCs by CLEAR MENU (DTC CLEAR) of the Honda PGM Tester or the HDS. |
| 5. | Turn the ignition switch ON (II), then headlight switch ON. |
| 6. | Turn the dimmer switch ON and wait for 2 seconds. |
| 7. | Pull and hold the combination light switch lever and keep the passing switch position for more 2 seconds. |
| 8. | Check for DTCs by selecting the DTCs MENU (DTCs) from the Honda PGM Tester or the HDS. Is DTC B1279 indicated? YES - Go to 9 (LHD type) or faulty combination light switch control unit; replace the combination light switch (RHD type). NO - Intermittent failure, the combination switch and the combination switch control unit are OK at this time.n |
| 9. | Disconnect the combination light switch 12P connector from the wiper/washer switch (LHD type) or combination light switch (RHD type). |
| 10. | 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 |