AngelPowy Posted November 22, 2017 Report Share Posted November 22, 2017 Hi everyone, I'm actually mounting an G4+ Xtreme ECU on a friend's astra G 2.0T. Engine is starting, correctly fuelling and ignition is OK. But we are facing one problem. His fans always run when engine start at full speed. Actually the matter is that we don't know how to make G4+ ECU to dial with the fan's ECU. I don't think that they dial via CAN-Bus. Does anybody know how to solve this? Best Regards Quote Link to comment Share on other sites More sharing options...
Simon Posted November 22, 2017 Report Share Posted November 22, 2017 Do you know what the factory signal to the fan does / looks like? Quote Link to comment Share on other sites More sharing options...
AngelPowy Posted November 23, 2017 Author Report Share Posted November 23, 2017 Thank you for your answer. I don't know what the factory signal looks like, this is what I'm searching. Do you have an idea about how I can find such information? Quote Link to comment Share on other sites More sharing options...
Adamw Posted November 23, 2017 Report Share Posted November 23, 2017 Surely whoever wired it must know how they work? Have they been connected to an aux output? Do they turn on and off when you use test mode? Quote Link to comment Share on other sites More sharing options...
AngelPowy Posted November 24, 2017 Author Report Share Posted November 24, 2017 When I wired it, I did follow the stock ECU pinout. But I tried to make an on/off output with it and a pwm output nothing to do. I think the signal is maybe a bit more complex than a simple square cyclic one. Quote Link to comment Share on other sites More sharing options...
Recommended Posts
Join the conversation
You can post now and register later. If you have an account, sign in now to post with your account.