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 Quarterly Report on Form 10-Q for the quarter ended December 31,
     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: February 7, 2003


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