Honda Heated Oxygen Sensor Wire Diagram

Have you ever wondered what the wire colors represent in your ntk oxygen sensors. Air pollution problems have led to higher standards for cars to reduce emissions. Apparently there is af heated sensor relay located behind the glovebox.

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Oxygen Sensor Wire Diagram Honda Tech Honda Forum Discussion

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Can anybody check a 4 wire oxygen sensor.

Honda heated oxygen sensor wire diagram. The four wire universal oxygen sensor must be changed approximately every 60000 miles and requires a specific wiring process. 02 sensor has no power on wire going in. All i could find online were wiring diagrams from a 2001 to 2003 civic but that is a whole different system narrow band o2 sensor. Heres how to check a 4 wire oxygen sensor.

How to check honda oxygen sensors. Academiaedu is a platform for academics to share research papers. To open it turn the knobs as shown. This sensor acts as your mixture indicator telling your computer if your engine is running lean or rich.

Here we explain the function of each wire in 123 and 4 wire sensors as well as wideband and universal sensors. Oxygen sensor heater circuit testing universally should work 4 wire and 3 wire if you see those i have had very good luck just testing for an open circuit when getting a heater circuit code. This sensor measures the amount of unburned oxygen that is present in the oxygen as it exits the vehicle which is indicative of the fuel mixture. I checked it out and seems fine and i even swapped it out with the known good car.

Hi my honda accord 2003 24l i have a code po135 i no is the sensor bank 1 1 my problem is i dont get any power to the wire going to the sensor i check the wire and seems to be oh. So any body have any suggestion what it could be. This is the second part of testing your oxygen sensor. Fuses in the vehicle passenger compartment honda civic 2001 2006.

The interior fuse box is located underneath the steering column. Since the early 1980s the bosch oxygen sensor has been standard equipment on many vehicles including honda.