YOU SAID:

I was in a washroom with a sign that had a bowel movement directions

INTO JAPANESE

私は便所にいて、便通の方向を示す標識がありました

BACK INTO ENGLISH

I was in the toilet and there was a sign indicating the direction of the bowel movement

INTO JAPANESE

私はトイレにいて、排便の方向を示すサインがありました

BACK INTO ENGLISH

I was in the toilet and had a sign indicating the direction of defecation

INTO JAPANESE

私はトイレにいて、排便の方向を示すサインを持っていました

BACK INTO ENGLISH

I was in the toilet and had a sign indicating the direction of defecation