Dutiyavibhaṅgasutta

sn48.37:7.1 In this context, the faculties of pleasure and happiness should be seen as pleasant feeling.

sn48.37:7.2 The faculties of pain and sadness should be seen as painful feeling.

sn48.37:7.3 The faculty of equanimity should be seen as neutral feeling.

sn48.37:7.4 These are the five faculties.”