ECU pin number 7 and 17 are connected to Oxygen Sensor.
Thank you very much Mr Singh!I trust you are well?Would it be too much to ask if you know which color wire went to each pin?This would be of great help.
Maybe not relevant to your needs, but...7 and 17 are unique to the 02 sensor. My diagram also shows two other wires from the 02 sensor. One joins other sensors to connect to pin 24 (a black wire, according to the diagram). The other looks like it gets power from the battery, and also connects to pin 1. I'm guessing these are power and ground?
Here is a picture of the wires from the oxygen sensor. It has four wires - one white and one black for power and ground, respectively. The 2 sensor wires are white and grey.
Awesome!Thank you, SinghG5!I would surmise from that photo that the two white wires are the heater for the O2 sensor, and the black and gray wires are for the sensor itself.Very helpful info.Thank you for your help, SinghG5 !
And on the lower left: a diode? Why doesn't the other end connect to anything? The ECU pin is labeled "SG"... ??
SENSOR ground (aka sensor return) or signal ground.