Test Step 11.1
Test 11.1:
DME defect code (ignition fade-out):
An ignition fade-out (ZA) command given by the ASC is not executed by the DME.
Other Indicators:
- Single static defect code: The ZA wire has a short to ground. "ASC defect" appears in the instrument cluster display after engine was restarted at engine speed when cruising above 2500 rpm for approx. 1 sec (test ZA in cruising phase).
Test:
- Check wire from Pin 45 to DME control unit Pin 38 for a short to ground (-).
See:
- BMW DIAGNOSTIC SYSTEM.*D* Defect code memory DME.
- If necessary, replace A200 DME control unit.
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*D*: Diagnostic Mode; Connect the BMW DIAGNOSTIC SYSTEM to the vehicle. Select control unit and set up diagnostic mode with the control unit.