How to Use the HDS (Honda Diagnostic System)

WARNING: This page is about a different car, the 2013 Acura MDX, 2012 Acura MDX, 2011 Acura MDX, and 2010 Acura MDX. However, it is still accessible from the selected car via links, so may be relevant.

With the ignition switch in LOCK (0), connect the Honda Diagnostic System (HDS) to the data link connector (DLC) (A) behind the driver's dashboard lower cover.

Fig 1: Identifying Data Link Connector
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Turn the ignition switch to ON (II).
Make sure the HDS communicates with the vehicle and the SH-AWD control unit. If it does not, go to the DLC circuit troubleshooting (see DLC CIRCUIT TROUBLESHOOTING ).
Check the diagnostic trouble code (DTC) and the freeze data, for all systems in the vehicle, troubleshoot the powertrain DTCs first and note them. Then refer to the indicated DTC'S TROUBLESHOOTING , and do the appropriate troubleshooting procedure.
NOTE:
- The HDS can read the DTC, the freeze data, the current data, and other system data.
- For specific operations, refer to the Help menu that came with the HDS.
- It is best do an ALL DTC CHECK to look for other systems DTCs that are related to the problem.