How to Retrieve DTCs

With the ignition switch in LOCK (0), connect the HDS (Honda Diagnostic System) to the data link connector (DLC) (A) located under the driver's side of the dashboard.

Fig 1: Identifying Data Link Connector (DLC)
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Turn the ignition switch to ON (II).
Make sure the HDS communicates with the vehicle and the TPMS control unit. If it does not, go to the DLC circuit troubleshooting (see DLC CIRCUIT TROUBLESHOOTING ).
Follow the prompts on the HDS to display the DTC(s) on the screen. After determining the DTC, refer to the DTC TROUBLESHOOTING .
NOTE: See the for specific instructions.
Turn the ignition switch to LOCK (0).