Sienna FWD V6-3.5L (2GR-FE) (2009)
Oxygen Sensor: Service and Repair
Heated Oxygen Sensor
Components
2GR-FE EMISSION CONTROL: HEATED OXYGEN SENSOR (for 2WD): COMPONENTS
COMPONENTS
ILLUSTRATION
Removal
2GR-FE EMISSION CONTROL: HEATED OXYGEN SENSOR (for 2WD): REMOVAL
REMOVAL
1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
CAUTION: Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to prevent airbag and seat
belt pretensioner activation.
2. REMOVE HEATED OXYGEN SENSOR (for Bank 1 Sensor 2)
(a) Disconnect the sensor connector under the center console.