Removal

3UZ-FE EMISSION CONTROL: HEATED OXYGEN SENSOR (for Sensor 1):

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 ENGINE UNDER COVER
(a) Remove the 18 bolts, 5 clips and under cover.
3. REMOVE NO. 2 ENGINE UNDER COVER
(a) Remove the 5 bolts and under cover.
4. REMOVE HEATED OXYGEN SENSOR (for Bank 1)
(a) Disconnect the sensor connector.

(b) Using SST, remove the sensor.
SST: 09224-00010
5. REMOVE HEATED OXYGEN SENSOR (for Bank 2)
(a) Disconnect the sensor clamp.
(b) Disconnect the sensor connector.