They dont have one just like the VVti from 20 series Celsior. Crown motors seem to have them. Have a look beside the EFI temp sensor and you will find a suitable port with a blanking bung screwed in. Fitted one to my motor today.
Was just going out and found the work camera in my backpack. Here are the photos. RHF of motor on front crossover pipe you will find the ECT sensor. Photos show a 4.0litre which has a different TB but the sensors are in the same place. Photos show the blanker clearly too. Hope these help. Cheers