I am having trouble getting DPO2 to pull down to negative.
Have added a light on my ecu manager screen so I can see when the thermofan output is on/ off and that appears to be working fine.
However when I lower the on/ off temp's to trigger the light - which should also give -12v on DPO2 (pin 7) I get nothing.
Are there any other permissives? Does engine need to be running? Or one I get that light on the screen should I get -12v
Any other ideas what may be the issue of this ecu?
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2 posts • Page 1 of 1
- Haltech Staff
- Posts: 2503
- Joined: Tue Feb 07, 2012 11:45 am
- Location: Sydney, Australia
If the ECU says the output is on then it will be providing ground on that pin. Your relay has switched 12V+ on the other side of the trigger circuit?
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