Compare price now Bosch 15733 Oxygen Sensor, Universal Type ...
The error code was P0158 (bank 2 sensor 2 oxygen sensor). The wiring mapping order is two blacks, one white, and one blue of Toyota sensor for two whites, one gray, and one black of Bosch respectively. Bank 2 sensor 1 downstream sensor is just under the body of passenger seat with connector under the seat. Toyota sensor is type B in Bosch’s document. The upstream sensor is on the upper front part of the engine, close to the hood lock. Location of the sensor is at the bottom of engine right under hood lock. Toyota sensor may be Denson OEM part and costs over $200. To loose sensors, you need warm up engine for 3 to 5 minutes.