Ryan Simmons Posted April 24, 2011 Report Share Posted April 24, 2011 I have had my car off the road through the winter whilst i perform some major engine upgrades etc, i removed the ecu and kept it stored in doors through all this time to keep it from getting damp. Today i re-installed the ecu and connected the USB to the laptop but the pclink software could not detect the ecu! I checked the com port settings etc, the ecu shows up in the device manager, something like LinkECU (COM4) under coms tab, and i have the ignition set 'On' and immobilizer disarmed -everything set how its supposed to be. I did do some wiring alterations to the car whilst it was off the road and i took extreme care to making sure any alterations to the loom was returned to its correct state and no crossed wires.. However when i connect the 2nd ecu plug of the 3, my fuel pump relay starts buzzing like mad?! Any ideas what is wrong with it?! Is there any way i can check that i have not somehow fried my ecu? Thnaks Ryan Quote Link to comment Share on other sites More sharing options...
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