How to Use the HDS (Honda Diagnostic System)
1. Enter the maintenance mode, then start the engine , and check the MIL in the gauge control module.
2. If the MIL stays on, turn the vehicle to the OFF (LOCK) mode, and connect the HDS to the data link connector (DLC)
3. Turn the vehicle to the ON mode.
4. Make sure the HDS communicates with the PCM and other vehicle systems. If it does not, go to the DLC circuit troubleshooting .
5. Check the diagnostic trouble code (DTC) and record it. Also check the on-board snapshot data, and download any data found. Then refer to the indicated DTC's troubleshooting, and begin the appropriate troubleshooting procedure.
NOTE:
- On-board snapshot indicates the engine conditions when the first malfunction, misfire, or fuel trim malfunction was detected.
- The HDS can read the DTC, the on-board snapshot, the current data, and other PCM data.
- For specific operations, refer to the user's manual that came with the HDS.
6. If no DTCs are found, go to the MIL circuit troubleshooting .