Set Appliance State:

Isolate Mains Power to appliance as per TOPs P4
Set Multimeter to Resistance Set meter to measure resistance
Disconnect X11 and X13 from the PCB

Measurement:

Measure the resistances between each of the wires for the pump to each other: pins 1 (grey) and 3 (black) on X11 and pins 1 (brown) and 2 (blue) on X13. Also test between each wire and a suitable earth point.
Resistances should conform to the table below.