6 wire lambda

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6 wire lambda

Postby S13AW » Tue Jan 08, 2013 7:07 pm

hello im new to using a pico got mine a few days ago amazed how much this thing can do, but ive come up to a 6 wire lambda sensor and was wondering how i would test it maybe ive missed it on the software or the notes :|

thanks for any help
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Re: 6 wire lambda

Postby Avdr » Wed Jan 09, 2013 10:51 am

Not much you can do with a 6 wire. On some types there is a wire which shows inverse proportianality to lambda value, Frank Massey expalins that in one of his videos - can't remember which, or where I saw it sorry.
If you have a mind to and equipment to do it you could monitor pump current which is proportional to lambda value.
If its a bosch lsu type, there is a load of info RE: wire diagrams on the net.
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Re: 6 wire lambda

Postby S13AW » Wed Jan 09, 2013 6:52 pm

as i thought thanks mate thats helpful
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Re: 6 wire lambda

Postby mteste03 » Thu Jan 31, 2013 10:42 pm

You need a low current clamp something like 0 - 450mA to get good trace.

If you are able to measure current take care when looking at the rich / lean values.

There is only a very small change in current too.

Matt
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