Using Scan Tester

Enter self-diagnostics. See ENTERING SELF-DIAGNOSTICS. Select function "05", ERASE DTC MEMORY. If DTC MEMORY IS ERASED is displayed, press right arrow button until prompted to select another function. If DTC MEMORY HAS NOT BEEN READ is displayed, read DTC memory again. See RETRIEVING CODES. Select function "05" again to erase DTC memory.