TCIC_AR_TEST
case TCIC_AR_TEST:
otest = tcic_read_aux_2(iot, ioh, TCIC_AR_TEST);
tcic_write_aux_2(iot, ioh, TCIC_AR_TEST, TCIC_TEST_DIAG);
tcic_write_aux_2(iot, ioh, TCIC_AR_TEST, otest);