I am looking for Nissan Pick-Up Manual 2001

hello friends,

I need your help finding a mechanic's workshop manual with its respective parts diagram for the entire car or just for the transmission. The vehicle is:

Nissan pick-up (also called a pickup truck)
extra-long version - longer box -
2001 model -it doesn't matter, they're almost all similar-
5-speed transmission

I would appreciate it if you could provide me with a manual or information on where to find it; it seems impossible, I've been searching all afternoon and can't find anything useful.

-These manuals are also called (patents, mechanical manuals, parts diagrams, mechanical diagrams, maintenance diagrams)

Here's a picture of the truck (very common in Mexico)



Here's an example of what I'm looking for:



(This one is for an impact wrench, but I'm looking for one for the transmission of this truck)


I thank you for your help