o2 wiring problem - Toyota Nation Forum : Toyota Car and Truck Forums

NIXmx · 01-15-2007, 12:26 AM

Ok, so heres the story. I swapped the engine (replacement) on my 95 XLS and I ripped the o2 sensor out from the connector. It's the o2 under the car. I would like help finding out which wire goes into which hole. Its in contact, but I don't know which is which. The cooradnating wires are different colors so I can't match them up that way. The connector has a number on it. I'm not shure if it would help. The number is 11027 .Thanks.

***toyomoho*** · 01-15-2007, 03:14 AM

Does not the color of the wires carry over onto the other plug?

NIXmx · 01-15-2007, 12:11 PM

No, that was my first hope.

toyotacamry34 · 01-15-2007, 12:40 PM

I would bring in your O2 sensor to your local Toyota parts department, explain the situation and ask to see a new O2 sensor. Compare the new vs old and you should be good to go.

***toyomoho*** · 01-15-2007, 07:33 PM

Just what colors do you have?

The 02-A/F sensor incorporates the sensor and a heater. Two wires go to the heater, two go to the sensor. The heater portion receives 9-14v with igntion on. The sensor portion receives a pulsed signal.