Hi,
There are four sensors, so I'm not sure which one you are working with. So, if you look at pic 1 below, it shows the sensors in the powertrain control schematic. The remaining pics are a pinout of each sensor.
Note that in the heading of each one, it indicates (HO2S) #11, #12, #21, or #22. The numbers indicate the bank and which sensor. For example, #11 equals bank one sensor one.
Let me know if this helps.
Take care,
Joe
See pics below.
Images (Click to enlarge)
Dec 27, 2023 at 10:33 PM