| 1. | Check for DTCs by selecting the TEST MODE MENU from the Honda PGM Tester or the Honda Diagnostic System (HDS). Are any DTCs indicated? YES - Go to B-CAN system diagnosis test mode A.n NO - Go to 2. |
| 2. | Turn OFF the switch that controls the malfunctioning output device. |
| 3. | Select the DATA LIST of the TEST MODE MENU, and check the input of the switch signal. Does the Tester indicate the switch is OFF? YES - Go to 4. NO - Go to 6. |
| 4. | In the DATA LIST of the TEST MODE MEMU, check the output signal of the malfunctioning output device. Is the output signal OFF? YES - Go to 5. NO - Replace the control unit that controls the device that will not turn OFF.n |
| 5. | Check the relay if applicable, then check for a short in the wire between the relay and the output device, relay and control unit or output device and control unit. Are the relay and the wire harness OK? YES - Replace the control unit that controls the device that will not turn OFF.n NO - Replace the relay or repair the wire harness.n |
| 6. | Check the switch, then check for a short in the wire between the switch and the control unit that monitors the switch. Are the switch and wire harness OK? YES - Replace the control unit that monitors the swtich.n NO - Replace the switch or repair the wire harness.n |