2Az-fe emission control

Heated oxygen sensor

5steps
~35min
3/5difficulty
1special tools
Done 0 of 5
Components
Toyota RAV4. Heated oxygen sensor

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.
  1. Remove heated oxygen sensor (for bank 1 sensor 2)
Toyota RAV4. Remove heated oxygen sensor (for bank 1 sensor 2)

  1. Disconnect the sensor connector.
  2. Using sst, remove the sensor from the front exhaust pipe.
Sst 09224-00010 Inspection
  1. Inspect heated oxygen sensor (for bank 1 sensor 2)
Toyota RAV4. Inspect heated oxygen sensor (for bank 1 sensor 2)

  1. Measure the resistance of the sensor.
Standard resistance

If the resistance is not as specified, replace the sensor.

Installation
  1. Install heated oxygen sensor (for bank 1 sensor 2)
Toyota RAV4. Install heated oxygen sensor (for bank 1 sensor 2)

  1. Using sst, install the sensor to the front exhaust pipe.
Sst 09224-00010 Torque: 40 n*m (408 kgf*cm, 30 ft.*Lbf) for use with sst 44 N*m (449 kgf*cm, 32 ft.*Lbf) for use without sst Hint:
  • Use a torque wrench with a fulcrum length of 30 cm (11.81 In.).
  • Make sure sst and wrench are connected in a straight line.
  1. Connect the sensor connector.
  2. Connect cable to negative battery terminal
  3. Check for exhaust gas leaks

Test yourself

A quick Toyota RAV4 quiz: every answer comes with an explanation and a link to the manual page.