Where do i find the imoblisor on 1998 toyota ?

Http://www.astoundinginc.com/sites/toad/files/carprog/CARPROG_Toyota_immo_manual.pdf Toyota Celica Owners Manuals

cant find location of the immobiliser but have included two links that may help, the first will show you what it looks like , it is most likely buried in the dash somewhere,the 2nd is the owners manual in case you have'nt got one,hope this helps in some way
http visit tradebit com visit php 227594 product 156402954 ,this link is for a workshop manual that will show the location, but is a paid for download , might be worth the money if keeping the vehicle as will give you all the info you need for your celica