How to Use the HDS (Honda Diagnostic System)

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2020 Acura RLX, 2019 Acura RLX, 2018 Acura RLX, 2017 Acura RLX, and 2016 Acura RLX. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: Make sure the battery is in good condition and fully charged.

1. If the system indicators stay on, connect the HDS to the data link connector (DLC) (A) located under the driver's side of the dashboard.

Courtesy of HONDA, U.S.A., INC.

2. Turn the vehicle to the ON mode.

3. Make sure the HDS communicates with the vehicle. If it does not, go to the DLC circuit troubleshooting

4. Check the diagnostic trouble code (DTC) for all systems, troubleshoot the powertrain DTCs first. Then refer to the indicated DTC's troubleshooting, and do the appropriate troubleshooting procedure.

NOTE:

The HDS communication will be stopped when the vehicle speed reaches the disconnect speed.
The HDS can read the DTC, the current data, and other system data.
For specific operations, refer to the Help menu that came with the HDS.