Possible Causes Elimination Remarks

Test point 15: DME relay

Start engine - the fuel pump must run during engine starting. If not:

Switch off ignition. Disconnect control unit plug. Connect terminal 3 and terminal 24 on control unit plug with the help of a test lead. Switch on ignition - pump must run.

If not:

Check current-ground path, DME relay and fuel pump in accordance with wiring diagram

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