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OUTPUT END is displayed diagnosis for LH control unit is finished . If faults had been displayed, the fault memory in the control unit LH must be cancelled See chapter CANCELLING FAULT MEMORIES. In order to activate fault diagnosis of the next control unit EZK , press the YELLOW button so often, until the function symbol is displayed in the function display. Press the GREEN button until the triggering symbol appears in the function display. There is then fault diagnosis of the next control...
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Printed in Germany mi k Copyright by Dr.-lng h. c F Porsche I 1 1 I lAw, Fuel injection and ignition control units in 928 S 4 LH EZK and 944 S DME are capable of self-diagnosis beginning with 1988 models. In other words these control units are capable of recognizing, storing and putting out system faults. Control units capable of self-diagnosis can be recognized on the changed part numbers and a label with the designation DIA capable of diagnosis . A specially developed TESTER Special Tool No....