While working with the ECU and developing software for it I found some interesting things about it's operation which can be used in troubleshooting electrical problems. I also created a supplement to my previous post of the ECU pinout. It has a little more detail regarding certain pin functions. To go along with this information I divided the supplement into sections. Use the sectioned supplement with the following information on the ECU's power operation and ground circuitry. ![](http://www.maximusdvd.com/mytwinturbo/tech/ECU/ecupowerop.jpg)
ECU Pinout Supplement (sectioned)
![](http://www.maximusdvd.com/mytwinturbo/tech/ECU/Z32ECUPinOutSupplement-sectioned.jpg) ECU Pinout Supplement
![](http://www.maximusdvd.com/mytwinturbo/tech/ECU/Z32ECUPinOutSupplement.jpg) Original ECU Pinout
![](http://www.maximusdvd.com/mytwinturbo/tech/ECU/ECUZ32PinOutHS_V2.jpg)
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