The ProECU Programming Tools window (below) will only be displayed once ProECU has successfully established a connection to the ECU. If these steps do not resolve the connection problem, close ProECU, unplug the EcuTek vehicle interface, then plug it back in and restart the software. ProECU cannot communicate with the ECUįollow the instructions in the above message to try to establish a connection. The following message will be shown if ProECU cannot establish communication with the ECU. Select Program ENgine ECU to enter programming mode. Switch the ignition to ON but do not yet start the engine.Ĭhoose Detect Vehicle… from the Tools menu, then select Program Engine ECU when the window appears, and click OK. Entering programming mode From the Tools menu, select Detect Vehicle to beginĮnsure the OBD-II vehicle interface is properly connected. Insert the vehicle interface cable into the car's diagnostic socket.
Connect the other end of the interface cable to a free USB port on your laptop. The diagnostic socket is always sited inside the car's cabin and within one metre of the steering wheel. Plug the EcuTek OBD-II vehicle interface cable into the vehicle's diagnostic socket, which is usually located on the lower section of the dashboard above the pedals. This involves selecting the exact model of car in the software, then programming a standard ROM for it. If the ECU programming sequence is interrupted, ProECU might not recognise the ECU automatically, in which case you will need to apply a manual recovery procedure. After programming the ECU, follow the on-screen instruction to cycle the Ignition.Ensure that all electrical consumers about the car (such as interior lights, heater blower, stereo etc.) are turned OFF and that mobile phones are kept away from the car.Enter the ROM filename or your unique name for the ROM file in the Comments box so that in future you know exactly which ROM is in the ECU.Select Choose ROM File and pick the relevant modified ROM file to program into the ECU.Choose Query ECU to identify the ECU version fitted to the car.Open the ProECU software and choose Tools then Detect Vehicle.Connect the vehicle interface cable to the OBD-II connector and turn the ignition switch to ON.Reprogramming involves taking the following steps, but there may be car-model-related variations so only do the job for real with the specific EcuTek instruction manual alongside you. Before you attempt it for real, please make a point of reading our the Knowledge Base article Before Programming an ECU in this section. The following information is an overview of what's typically involved in reprogramming a car. ECU programming guide Nissan GT-R on EcuTek's in-house dynoĮCU programming is the process of taking a ROM file and placing it into permanent storage inside a vehicle's engine management ECU.
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