Remove A/C pushbutton control module (N22) and/or rear A/C pushbutton control module (N22/3) (SMS, Job no.'s 83 - 635 and 582 respectively).

Conventional tools, test equipment

Description	Brand, model, etc.
Multimeter 1)	Fluke models 23, 83, 85, 87

1) Available through the MBUSA Standard Equipment Program.