If a auto repair shop performed a brake system diagnosis. What are they doing?
Checking your brakes, making sure they are in good condition and operating correctly, and inspecting parts for wear.
they check stuff like the condition of the rotors, make sure the calipers are working good and check the wear on the pads. if you have rear drum brakes they pull the drums and check the wheel cylinders for any leaks and condition of the hardware on the shoes and the shoes.
