Removing
1. Disconnect the negative cable from the battery.
2. Disconnect connector 1 from oxygen sensor heater R22 (see fig.2.130). Disconnect clamp (arrow) and take it off.
Pic. 2.130. Oxygen sensor:
1. Wiring connector,
R22. oxygen sensor.
3. Raise the vehicle.
4. Unscrew the oxygen sensor R22.
Installation
5. Installation is made in an order, the return to removal. Read the fault memory and clear it.