Toyota 89465-47070
Oxygen Sensor, Rear

The replacement process for the heated oxygen sensor begins with removing the rear floor board No.2 combined with the deck floor box rear and the rear floor board No.3. Engine wire No.3 (battery negative terminal) should be disconnected while you take out the instrument panel finish panel lower center. You must remove the heated oxygen sensor by first using a clip remover to detach its clip then pulling away the floor carpet front and disconnecting the heated oxygen sensor connector while taking away the grommet along with the wire harness clamp bracket. Operating Special Service Tool: 09224-00010 will help you to remove the heated oxygen sensor. Install the new heated oxygen sensor with Special Service Tool: 09224-00010 by tightening it to 44 Nm (450 kgf.cm, 33 in.lbf). Reattach the wire harness clamp bracket along with the grommet and securely connect the heated oxygen sensor connector. Reinstall the instrument panel finish panel lower center and rear floor board No.3 along with deck floor box rear and rear floor board No.2 after checking exhaust gas leak occurrence and reconnecting engine wire No.3 to the battery negative terminal and attaching floor carpet front with its clip. The last step comprises power window control system initialization steps.

Reconnect the cable to the negative battery terminal and check for exhaust gas leaks.

Remove the converter with inverter assembly and the air fuel ratio sensor for Bank 1 Sensor 1 by first removing the wire harness clamp, disconnecting the sensor connector, and using Special Service Tool: 09224-00010 to remove the sensor.

Remove the converter with inverter assembly and the air fuel ratio sensor for Bank 1 Sensor 1 by first removing the wire harness clamp, disconnecting the sensor connector, and using Special Service Tool: 09224-00010 to remove the sensor.

Reconnect the cable to the negative battery terminal, check for exhaust gas leaks, and reinstall the lower center instrument panel finish panel, rear No. 3 floor board, rear deck floor box, and rear No. 2 floor board.

Install the inverter cover, cowl top panel sub-assembly outer front, windshield wiper link assembly, service plug grip, and reconnect engine wire No.3 (battery negative terminal).