MIL above 3k & ECU software
Discussion
I'm now getting a few miles on the the Cerbera and working through a little 'snag list'. One of the little 'snags' is a random MIL... It doesn't happen every time I go out but when it does, the light/buzzer kicks in at 3000rpm. Drop the revs below 3k and it'll go off.
The guys up the road popped their laptop on but couldn't see anything stored, so before I dive in, I thought I'd float the question here first.
In addition to this, it has been 7yrs since I've had a laptop hooked up to the ECU and operating systems have moved on somewhat since then.
What are people doing for connecting into the ECUs these days?
M
The guys up the road popped their laptop on but couldn't see anything stored, so before I dive in, I thought I'd float the question here first.
In addition to this, it has been 7yrs since I've had a laptop hooked up to the ECU and operating systems have moved on somewhat since then.
What are people doing for connecting into the ECUs these days?
M
Got it working on my Windows 10 tablet after a lot of faffing around.. Baud and bits per second don't match, but they need to on my Windows xp laptop. These are the settings on the tablet (port set to com1 in device manager)
But you can't beat the customisable layout of RSajp, and it works for better casual use with a permanently mounted tablet.. Though RSajp doesn't have the graph traces (which make it easy to spot a spikey throttle pot) nor access to the adaptive tables..
BTW, to make things even more confusing, the ecu diags software won't even run on another Windows 10 laptop I have.. I think I have the security settings a little higher than I have on the tablet as iirc it complains about the unsigned driver (or something along those lines) with no workaround according to Google.
Edited by tejr on Sunday 12th July 08:40
One thing to check while you work out how to get the software working is check the battery voltage.
I have had many voltage regulators fail causing a high voltage warning at the ECU that triggers a MIL light to come on intermittently at higher revs.
You just need a good volt meter and to rev the car for a bit, be patient and wait till the battery has recharged after starting.
If you have a meter that stores peak voltage that may be useful as the voltage regulators degrade over time so the issue may not always be present and transitory.
I have had many voltage regulators fail causing a high voltage warning at the ECU that triggers a MIL light to come on intermittently at higher revs.
You just need a good volt meter and to rev the car for a bit, be patient and wait till the battery has recharged after starting.
If you have a meter that stores peak voltage that may be useful as the voltage regulators degrade over time so the issue may not always be present and transitory.
Thanks for the replies.
I'm have a look into the applications and see what they're like. I'm more Apple orientated but not fussed about setting up something on Android. I've also got another Win 10 PC, used for data logging & ECU stuff, so it's encouraging to see there's the possibility of the old app working still.
...and thanks for the pointer towards the voltage regulator. The other one I've been pondering on is the throttle potentiometer.
M
I'm have a look into the applications and see what they're like. I'm more Apple orientated but not fussed about setting up something on Android. I've also got another Win 10 PC, used for data logging & ECU stuff, so it's encouraging to see there's the possibility of the old app working still.
...and thanks for the pointer towards the voltage regulator. The other one I've been pondering on is the throttle potentiometer.
M
camel_landy said:
Thanks for the replies.
I'm have a look into the applications and see what they're like. I'm more Apple orientated but not fussed about setting up something on Android. I've also got another Win 10 PC, used for data logging & ECU stuff, so it's encouraging to see there's the possibility of the old app working still.
...and thanks for the pointer towards the voltage regulator. The other one I've been pondering on is the throttle potentiometer.
M
pas the throttle pots are just resistors the ECU reads the voltage from them. I the feed voltage is wrong due to the voltage regulator being faulty then all readings will be wrong causing false AFR faults and the like.I'm have a look into the applications and see what they're like. I'm more Apple orientated but not fussed about setting up something on Android. I've also got another Win 10 PC, used for data logging & ECU stuff, so it's encouraging to see there's the possibility of the old app working still.
...and thanks for the pointer towards the voltage regulator. The other one I've been pondering on is the throttle potentiometer.
M
I use EvoOllies software on Windows 10 and I've an old laptop with a serial port for the original software, plus the AJP software on the phone for when travelling abroad and have to reset the adaptives with lowergrade fuel.
When my car suffered a misfire over 3k revs it was a coil pack breaking down, worked fine until over 3k revs
When my car suffered a misfire over 3k revs it was a coil pack breaking down, worked fine until over 3k revs
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