EXHIBIT 99.2

                   CERTIFICATION OF PERIODIC FINANCIAL REPORTS


I, Stephen A. Roell, Senior Vice President and Chief Financial Officer of
Johnson Controls, Inc., certify, pursuant to Section 906 of the Sarbanes-Oxley
Act of 2002, that:

         (1) the Annual Report on Form 10-K for the fiscal year ended September
         30, 2002 (the "Periodic Report") which this statement accompanies fully
         complies with the requirements of Section 13(a) or 15(d) of the
         Securities Exchange Act of 1934 (15 U.S.C. 78m or 78o(d)) and

         (2) information contained in the Periodic Report fairly presents, in
         all material respects, the financial condition and results of
         operations of Johnson Controls, Inc.


Dated: December 16, 2002



                                                     /s/ Stephen A. Roell
                                                     --------------------
                                                     Stephen A. Roell