Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Set Multimeter to Resistance 
Disconnect the lead from the diverter valve motor
Measurement:
Measure the continuity of each of the wires in the harness from the PCB to the diverter valve.
Expect continuity (zero resistance) through each wire.
Inspect the harness and connectors for good overall condition.
Expect continuity (zero resistance) through each wire.
Inspect the harness and connectors for good overall condition.
Isolate as per TOPs P4
and refit as necessary