Rear Heated Oxygen Sensor
REAR HEATED OXYGEN SENSOR (HO2S) REMOVAL/INSTALLATION [LF]1. Remove the battery cover.
2. Disconnect the negative battery cable.
3. install the SST to the rear HC2S.
4. Remove the rear HO2S.
5. Install in the reverse order of removal.
Rear HO2S tightening torque: 29-49 N.m {3.0-4.9 kgf.m, 22-35 ft.lbf}