03-25-2013, 12:21 AM #1
Innovate LM-2 rpm issues with Bosch ecu ski's
I've used the Innovate LM-2 w/ inductive clamp to read rpm's on Siemens ecu ski's without any issues.... however it doesn't register a thing on ski's with Bosch ecu's. I've installed the analog cable, and soldered it directly to the #3 cylinder coil negative terminal. It does now register something on the LM-2..... but the reading dances all over the place, regardless or actual rpm. I've tried every possible configuration setting within the LM-2..... rising edge, falling edge, rpm options, pulses per revolution....... same out come. Rpm just dances all over the place..... even with the analog cable blue wire grounded. The LM-2 is running the latest firmware also. I'd greatly appreciate any input on this..... as I need to get some data logs done that include an accurate rpm signal.
03-25-2013, 01:23 AM #2
So its the rpm signal thats a problem.?
03-25-2013, 04:03 AM #3
03-25-2013, 05:41 AM #4
I had a similar problem with the siemens until I moved the analog wire to the coil wire near the ECU I think the high voltage coil EMP was screwing with the reading. You could also use the - injector wire.
03-25-2013, 03:10 PM #5
Might be time to sell it, and get the LCD-200 display for the CMD, so u can log a few goodies.
03-25-2013, 04:09 PM #6
Or get the vtech logger that have a built in afr controller - plug in innovate sensor direct to it without the lm2. And see rpm. Boost, temps , throttle and so on
03-25-2013, 05:12 PM #7
03-26-2013, 09:38 AM #8
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03-26-2013, 12:46 PM #9
03-28-2013, 11:18 AM #10
As mentioned, you might try the negative (trigger) side of an injector as well. This works as RPM input for our Wideband2 in stand-alone applications.
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