QuickLinks
-- Click here to rapidly navigate through this document
Exhibit 5.1
CONSENT OF INDEPENDENT AUDITORS
We consent to the use in Amendment No. 1 to Registration Statement No. 333-52246 on Form S-6 of our report dated January 3, 2001, relating to the statement of condition of Equity
Investor Fund, Defined Technology Portfolio 2001 Series J, Defined Asset Funds, and to the reference to us under the heading "How The Fund Works—Auditors" in the Prospectus which is a part
of this Registration Statement.
DELOITTE & TOUCHE LLP
New York, NY
January 3, 2001
QuickLinks
