What is the O2 sensor code on a 2003 Honda Accord?
Our 2003 Honda Accord started showing ODBII code P0141 (O2 Sensor Heater Circuit (Bank 1 Sensor 2)). The resistance on the pins of the old sensor was still within range as measured on our electrical multimeter, but figured it was probably still the sensor anyway. It was.
What does the O 2 sensor heater driver do?
The computer is looking for 12V on the sensor’s negative control wire while the computer’s O 2 sensor heater circuit driver (the power transistor in the computer) is open. With the wire being grounded, the O 2 sensor heater circuit came on as soon as the ignition switch was turned on.
How long does it take to replace oxygen sensor on Honda Accord?
Very easy to replace on my SO’s 2007 Honda Accord 4cyl. The most annoying part of the repair was removing the 4 seat bolts to lift the front passenger seat to get the connector in the cabin, but the whole repair including clearing the P0141 code took less than an hour in my garage.
How is the heated oxygen sensor heater controlled?
The ECM controls the heated oxygen sensor heater element based on signals from the engine coolant temperature and engine load. The ECM controls the heater element circuit by allowing current flow to ground.
How to replace the O2 sensor on a Honda Accord?
This is a quick run through for replacing a downstream O2 sensor in a Honda Accord. You will need to rent or borrow an oxygen sensor wrench set to properly perform this repair. Loading… When autoplay is enabled, a suggested video will automatically play next. How to replace oxygen sensor on a 2003 Honda Accord. – Duration: 6:10.
Why does the Check Engine light come on on Honda Accord?
Oxygen sensors can change the way that your Accord’s engine runs. Most of the time, the check engine light will come on. It’s a good thing that the check engine light would come on, as there is more than one oxygen sensor, and they can be difficult to get to and test.
What are the oxygen sensor codes on an Acura RDX?
There are many oxygen sensor related codes. These codes correspond with what side of the engine they are on (known as the “bank” for cylinder bank) and how far down stream they are. For instance, an oxygen sensor at bank 1 – sensor 1 would be:
What happens when your oxygen sensor goes bad?
More often than not, when an oxygen sensor in your Accord goes bad, it will throw a diagnostic trouble code. There are many oxygen sensor related codes. These codes correspond with what side of the engine they are on (known as the “bank” for cylinder bank) and how far down stream they are.