Oxygen Sensor

Oxygen Sensor 1/1 Upstream (California):

Oxygen Sensor 1/1 Upstream (Except California):

Oxygen Sensor 1/2 Downstream (California):

Oxygen Sensor 2/1 Upstream (California):

Oxygen Sensor 2/2 Downstream (California):

Oxygen Sensor 2/2 Downstream (Except California):

Power Distribution Center:

Oxygen Sensor Downstream Heater Relay:

Oxygen Sensor Upstream Heater Relay: