How to Check for DTCs with the Honda PGM Tester or the HDS NOTE: Before troubleshooting the climate control system, refer to the multiplex integrated control system test mode A.

1. Make sure the ignition switch is OFF.

1. Connect the Honda PGM Tester or the HDS (A) to the Data Link Connector (DLC) (B) located under the driver's side of the dashboard.

1. Turn the ignition switch ON (II).

1. Select DTCs in the climate control mode MENU of the Honda PGM Tester or the HDS.

1. Check for DTCs. If a DTCs indicated, go to the next step. If no DTC(s) indicated, refer to symptom troubleshooting.

1. Turn the ignition switch OFF.

1. Disconnect the Honda PGM Tester or the HDS from the DLC.

1. Do the troubleshooting procedure for the DTC indicated.