First thing to check is the recirculation vent. If it's closed, you will get the fogging just like you describe. Do you have the digital climate control, or the manual sliders?


1991 HZJ77, 1999 KZJ90, 1999 UZJ100, 1992 M101CDN2
https://www.thegearheadproject.com/category/jdm-journeys/