205 ECU Pin Out

Where is my ECU?

Simply lift back the carpet adjacent to the centre console in the passenger foot well

Why do I need to know the pin out/wiring diagram for the ECU?

When you modify your car then you are going to have to alter some of the signals being sent to or from the ECU, in order to increase the output power beyond the original design limitations, or alter the operation of a specific system. This may also be useful during fault finding.

Righty-o! what's the layout?


ECU picture with pin outs


RSC - Idle control valve signal, closing the idle valve

RSO - Idle control valve signal, opening the idle valve


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