Sylvain Bourgault Posted February 23, 2012 Report Share Posted February 23, 2012 Hi. I will install my newly purchased G4 on my impreza STI V6 soon. I would realy like to avoid using the expension connector. I have seen on the internet that I could probably use a pin on the standard ecu connector.... Depending on my PCB revision!? Could it be possible to know witch pin to use? I have a v1.2 PCB. I could probably find information on the web somewhere but so far my research have not be sucessfull. Thanks. Quote Link to comment Share on other sites More sharing options...
Scott Posted February 23, 2012 Report Share Posted February 23, 2012 Hi Sylvain, Possibly you are reading the version number from the top board? As there is no version 1.2 of the Subaru 5-6 ECU. The latest PCB revision is V1.1. The only way to connect an IAT sensor to your ECU is through the expansion connnector. This is because there is only one AN Temp channel coming out the main ECU header, and that is used for your ECT sensor. The ECT sensor is connected to pin B136-28 on the ECU header. Here is a link to the manual for your ECU. http://www.linkecu.com/support/documentation/g4-engine-management-documentation/subaru-impreza-wrx-v5-6 Regards, Scott. Quote Link to comment Share on other sites More sharing options...
Sylvain Bourgault Posted February 24, 2012 Author Report Share Posted February 24, 2012 Hi Scott. Thanks for the anwser. And yes you are right I was looking on the top PCB. IÂ will have to order the expension connector. Â Quote Link to comment Share on other sites More sharing options...
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