O2 Heater Circuit Operation and Testing Preview

[@manolosanchez1917]

Hello teacher, I am writing from Spain, please forgive my English, I'm a student and I'm learning a lot with your videos. Thanks for your time and for sharing their knowledge. I wish you a Merry Christmas and a Happy New Year. Thanks for sharing your work with those who want to learn.

[@Snaponmike1]

Thanks for another great video! Merry Christmas!

[@cwiliam]

just wanted to say Have a very MERRY CHRISTMAS and always Thank you for these great videos

[@YouTube.TOM.A]

As always good lesson. I hope that in the future that engineers would design automotive sensors and electronic components with weatherproof tabs or small tunnels to accommodate test probes or small alligator clips

[@angeliquevanmaanen9753]

Paul , your premium channel is not availabil in the netherlands Is there any other way to get them? ill have your ebook that is very interesting ,your video's are great. keep going

[@ScannerDannerPremium]

I do have the eBook Section lectures available on my website, but there is already quit a few additional case study videos that are only available on ScannerDanner Premium. This O2 heater case study in particular can only be found there. Hopefully google will open this to other countries soon. I am being told that the first quarter of 2014 more countries will be added.

[@turbobuick33]

Hi Paul, I bought your EBook and am I able to see this full video on ScannerDanner Premium?

[@ScannerDanner]

No, the Premium channel is separate. Thank you for the support with the eBook purchase. I am hoping to be able to provide a free coupon for my eBook buyers to my premium channel. But as of now I have no control of it. Everything goes through Google.

[@jackgazzard2203]

Gidday Paul, Thank you for sharing so much, you are a wealth of knowledge. Finding some real gems in your clips, very helpful. Keep up the great work. Regards Jacko.

[@ScannerDanner]

+Jack Gazzard Thanks my friend

[@jamiesimpson1786]

Hi Paul, I have your book & have been watching your videos for some time, they are great. Only problem is your premium channel is not available in New Zealand. Is there any other way to get them? Cheers, Jamie.

[@ScannerDanner]

I will put the request in to Google. They have told me that more countries will be added during the first quarter of 2014. Thank you!

[@deividhac]

hey paul thank you very much for sharng your knowledge... my understanding of computer related issues have increased very much....tell google that your students around the globe want to be part of the premium channel...much love from the Caribbean....Trinidad..you should visit the caribbean sometime,,bring the family ..have some coconut water and some shark and bake...... on me ..lol

[@abdullbasitosman5070]

does heater circuit normally work for few seconds once engine starts then stop ?

[@ScannerDanner]

Upstream or downstream O2 heater circuit? I'm general, no, once it is turned on, it stays on, though some will be pulsed on-off to control heater current (pulse width modulation)

[@michaelstoltz58]

Should my Air Fuel sensor voltage be jumping up and down with the key on, but engine off.

[@ScannerDanner]

What is the min and max voltage you are seeing?

[@redsson6669]

hey Paul, i know ur a busy guy, but still hoping you finish that PICOSCOPE, segment, just from that video i learned more about my labscope than the books i bought, just a reminder,lol

[@ScannerDanner]

I am hoping to shoot it this week and get it up over my Christmas break

[@redsson6669]

ScannerDanner great, happy holidays

[@jinxxpwnage]

Good day, Paul.I'm Working on a 2010 tahoe, getting the catalyst system low efficiency bank 2 code. Checked ecu and wiring integrity of my culprit sensor which is downstream. by shorting signal wire to ground and positive while checking the live data. Upstream o2 is workin correctly oscillating from 45 mv to 850 mv. The heater circuit on my culprit downstream also seems good since i get 12 volts on both and only 1 goes to 0 volts when disconnecting. The o2 sensor is a narrow band i think as it goes from 0 mv to 1200 mv. It's mostly active around 150 mv and never goes up unless i throttle snap. Is my sensor perhaps not heating up enough? Would helping it out with a heat gun maybe reflect a more stable voltage. Any help is appreciated.

[@ScannerDanner]

Sounds like a bad cat. Do this test kzbin.info/www/bejne/rKq5n5t5frJ3pNk

[@jinxxpwnage]

@ScannerDanner just watched! Ok, interesting. I'll take oxygen storage scope readings of both my S2/ 1 and S2/ 2 to make sure we have a good enough delay in seconds after enriching the mix and stopping. I'll update you tomorrow. Thanks, Paul!

[@ScannerDanner]

​@jinxxpwnage awesome! You can do it with scan data PIDS first. You just can't gauge "time" but if they are the same, you don't need to measure it. The cats bad.

[@blazingtonight1]

Hey scanner I got a question I got a Chrysler 300m with a o2 that got burnt against the exhaust well I was having a o2 2/2 p0032 if I can remember its said voltage was high so I checked my ground and I got that so I tested with a ohms and it was below 5 ohms I checked the signal wire had no flashing light when I did a o2 sensor test. so I did a direct wire connection to all 4 wires after repairing the problem the code jumped to bank 1 s 1 and bank 2s1 same issue I checked all of them. After doing so I was looking at data and I notice the bank 2s2 was at 4.95 volts when the engine was cold started it and looked at the live data for 2min all three dropped down to 2.8 to 2.9-3.0 v but bank two after 3min finally droped to 2.5-2.8v check engine light did come on until I repeat these same steps of letting them cool down to room temp and starting it back up by the 3rd time check engine light but bank 1s1 high volts I'm leaning to say the pcm got fried....what u think I can make a video of live data monday..........please respond!!!!!!

[@ScannerDanner]

You must use a factory O2 sensor only on this model. I just made a video on this, haven't uploaded it yet. Will be a few Weeks. You do NOT need a computer. Did you replace the O2s?

[@ScannerDanner]

After re reading your post, check for a blown fuse for the heater circuits for the O2s. This will also cause your condition and is most likely what happened when your rear O2 shorted.

[@autocrewstadskanaal1843]

Hallo , in nederland kunnen we je premium kanaal niet bekijken erg jammer want je lessen zijn erg leerzaam .

[@jeffreytedtaotao999]

Hita guam

[@feedingaway]

Hi your primiom chanel no availabilities in saudiarabi also

[@ScannerDanner]

not yet, hopefully soon though. First quarter of 2014 new countries are going to be added.