Enables 2-phenylethylamine receptor activity. Involved in behavioral fear response; chemosensory behavior; and sensory perception of chemical stimulus. Predicted to be located in plasma membrane. Predicted to be integral component of membrane. Is expressed in Grueneberg ganglion; nasal septum; and olfactory epithelium. Orthologous to human TAAR4P (trace amine associated receptor 4, pseudogene). [provided by Alliance of Genome Resources, Apr 2022]