Thanks for replies, now have info from jaguartechinfo.com, may take you up on the capture offer Peter, but for now im looking in another direction because Jag define these codes P020a through to f, as injector circuit resistance faults, have tested injector and injector looms this afternoon no fault found.
N/S flap actuator does leak Ian, but dont think thats its main problem. Looking at circuit diagram for power and earths tonight, six or so ecm earths located behind wheel arch liner, i wonder how much current they can carry? worth a look tomorrow. Cant believe you remember cable colours Peter, but i think you are correct