Hello and welcome to the forum
There are a few members on here who have all sorts of manuals etc but sadly it’s not really possible to host documents on here so inevitably they have to be shared via private messaging.
In the interim, please do take a look at the Toyota Electronic Parts Catalogue link. For my van (a LH119-RRMES) it’s this:
https://toyota.epc-data.com/regius_ace/lh119v/114894/
But you can and should modify this to fit your exact van. It’ll greatly help with parts etc and is surprisingly useful for lots of things.
Also be good to know the full model and I’ll have a look and see among my files.
Also, do have a search on the web but do so with private browsing or cookies off as there are some dodgy results that might come back and I would NOT buy manuals on purchase sites. There are a few posts on here for those who got burned and there’s no need. Just do some detailed googling but keep scrolling.
Cheers.