Hello and thank you for using Just answer! I'm Billy and i will assist you with this. Feel free to ask if you need any further info.
I will post a picture, describing your truck and pointing out the VIN and engine plates:
I have looked in these places, and the only tags I have found are under the front seat and everything is in Japanese so I am sure which number it is.
The VIN number is XXXXX 17 digit number....
That way you can know which one.....
For more info on VIN numbers, and their meanings click HERE