DTC P0161: Heated Oxygen Sensor Heater Circuit (Bank No. 2 Sensor No. 2)
WARNING: This page is about a different car, the 2002 Toyota Land Cruiser. However, it is still accessible from the selected car via links, so may be relevant.
For diagnosis and repair procedures, see DTC P0141: HEATED OXYGEN SENSOR HEATER CIRCUIT (BANK NO. 1 SENSOR NO. 2), OR DTC P0161: HEATED OXYGEN SENSOR HEATER CIRCUIT (BANK NO. 2 SENSOR NO. 2) .