I do not believe it has one. Look in your owners manual to be sure. Or call your local Toyota dealer.
The cabin air filter on a 1994 Toyota 4Runner is located behind the glove compartment. It filters are which comes from the outside and air which is recirculated inside the cabin.
The cabin filter is behind the glove box. Just squeeze the sides of the glove box and it will hang out. The filter is straight ahead.
there is no cabin filter on that year model 2003 and up models only
Inside the glove box
A 1997 Toyota 4 Runner has a cabin air filter located behind the glove compartment. It is used to reduce the amount of contaminants which enter the air in the cabin.
If it has one, it's behind the glove box. That's where it's at on my 2003 4Runner and 2008 Tundra.
Cabin filter located behind glove box
No cabin filter...
where is cabin air filter location