| 1. | Check the fuse of the malfunctioning output device. Is the fuse OK? YES - Go to 2. NO - Replace the fuse and recheck.n |
| 2. | Check for DTCs by selecting the TEST MODE MENU from the Honda PGM Tester or the Honda Diagnostic System (HDS). Is a DTC indicated ? YES - Go to B-CAN System diagnosis test mode A.n NO - Go to 3. |
| 3. | Select the DATA LIST of the TEST MODE MENU, and make sure there is an output signal for the malfunctioning output device when requested. Is there an output signal? YES - Go to 4. NO - Go to 8. |
| 4. | Check the relay and ground, then check for an open or a short in the output device circuit. Are the relay and circuit OK? YES - Go to 5. NO - Replace the relay or repair the wire circuit.n |
| 5. | Perform the function test for the malfunctioning output device. Does the output device pass the function test? YES - Go to 6. NO - Replace the output device.n |
| 6. | With the malfunctioning output device connected, voltmeter between the malfunctioning output device and body ground on the wire that the control unit uses to control the output device circuit. |
| 7. | Select the MISC. TEST of the TEST MODE MENU, and do the forced operation test of the malfunctioning output device. Is there a change in (12 V to 0 V or 0 V to 12 V) voltage? YES - Replace the actuator.n NO - Replace the control unit that controls the malfunctioning output device.n |
| 8. | Select the DATA LIST of the TEST MODE MENU, and make sure the switch signal input for the malfunctioning system indicates a change when operated. Does the switch input indicated change to ON when the switch is ON? YES - Replace the control unit that controls the malfunctioning output device.n NO - Go to 9. |
| 9. | Check the switch and its ground (if applicable), then check for an open or a short in the wire between the switch and the control unit that monitors it. Are the switch and the wire harness OK? YES - Replace the control unit that monitors the switch.n NO - Replace the switch or repair the wire harness.n |