Do you want to set security auditing without creating journal receivers, journals, or changing of system values? You can with the CHGSECAUD command.
*AUDLVL) QAUDLVL(*AUTFAIL *OBJMGT *PGMFAIL *SECURITY
*SYSMGT *JOBDTA) INLJRNRCV(rcvlib/AUDRCV0001) and it's all.
Need more info on iSeries security? Check out our Security Topic resource page.