DTC B1820-55: Short in Side Squib RH Circuit; DTC B1821-55: Open in Side Squib RH Circuit; DTC B1822/55: Short to GND in Side Squib RH Circuit; DTC B1823-55: Short to B+ in Side Squib RH Circuit [10/2015 - ]: Wiring Diagram

Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.