Using Scan Tool

Turn ignition off. Connect Honda PGM tester or OBD-II scan tool to 16-pin Data Link Connector (DLC) located behind ashtray in center console. See Fig 2. Turn ignition on. If using Honda PGM tester, follow tester prompts. Diagnostic trouble code tests are not needed. If using scan tool, check for and note any DTCs. Also check for and note Freeze Frame Data. See DIAGNOSTIC TROUBLE CODE IDENTIFICATION  and proceed to appropriate DTC testing.

Fig 1: Locating 2-Pin Service Check Connector (Typical)

Courtesy of AMERICAN HONDA MOTOR CO., INC.

Fig 2: Locating OBD-II Data Link Connector (Typical)

Courtesy of AMERICAN HONDA MOTOR CO., INC.