The initial throttle cable from the 2S is too limited and doesn't reach the linkage for your ITB’s. I had a take a look at some previous Toyotas on the wrecking garden and located one that would fit from the 1989 SV21 Camry. This layout eliminates the limitations and inefficiencies https://toyota4ageblacktopenginef02220.blogkoo.com/fascination-about-4age-20v-blacktop-58586910