Air Fuel Ratio Sensor: Installation

WARNING: This page is about a different car, the 2008 Toyota Yaris. However, it is still accessible from the selected car via links, so may be relevant.

INSTALL AIR FUEL RATIO SENSOR
1. Using SST, install the air fuel ratio sensor.
  SST 09224-00010
  
  Torque: 44 N*m (449 kgf*cm, 33 ft.*lbf) (without SST)
  
  Torque: 40 N*m (408 kgf*cm, 30 ft.*lbf) (with SST)
  
  Fig 1: Identifying Air Fuel Ratio Sensor Connector
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  HINT:
  
  Use a torque wrench with a fulcrum length of 300 mm (11.81 in.).
2. Connect the air fuel ratio sensor connector and the clamp.
CONNECT CABLE TO NEGATIVE BATTERY TERMINAL
Torque: 5.4 N*m (55 kgf*cm, 48 in.*lbf)
CHECK FOR EXHAUST GAS LEAKAGE