P2243 HONDA is a o2 sensor - Location on Acura RL 2005

Question

The oxygen sensor is Rear Air/Fuel Ratio (A/F) Sensor (Bank 1, Sensor 1) VCENT Line High Voltage. Needed a pic of a Acura RL 2005 o2 sensor location or Acura diagram and how many O2 sensors this Acura RL 2005 has. Thank you so much of you can help in any way.