Yaris L4-1.5L (1NZ-FE) (2007)
Oxygen Sensor: Service and Repair
Air Fuel Ratio Sensor
REMOVAL
1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
2. REMOVE AIR FUEL RATIO SENSOR
a. Disconnect the air fuel ratio sensor connector and clamp.
b. Using SST, remove the heated oxygen sensor.
SST 09224-00010
INSTALLATION
1. INSTALL AIR FUEL RATIO SENSOR
a. Using SST, install the air fuel ratio sensor.
SST 09224-00010
Torque: 44 Nm (449 kgf.cm, 33 ft. lbs.) (without SST)
Torque: 40 Nm (408 kgf.cm, 30 ft. lbs.) (with SST)
HINT: Use a torque wrench with a fulcrum length of 300 mm (11.81 in.).
b. Connect the air fuel ratio sensor connector and the clamp.
2. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL
Torque: 5.4 Nm (55 kgf.cm, 48 in. lbs.)
3. CHECK FOR EXHAUST GAS LEAKAGE