Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Set Multimeter to Resistance 
Remove connector X2 from the PCB
Remove the connector from the diverter valve motor
Remove the connector from the diverter valve motor
Measurement:
Measure the resistance of each of the wires in the diverter valve harness as listed in the table below.
Expect continuity / zero resistance on each of the wires.
Also visually inspect the condition of the harness.
Note:
Each pin on the PCB connector is numbered.
| Pin on connector (X2) | Diverter Valve Connector | 8 (Pink) | Pink |
| 17 (Brown) | Brown |
| 7 (Blue) | Blue |
| 18 (Black) | Black |
Expect continuity / zero resistance on each of the wires.
Also visually inspect the condition of the harness.
Note:
Each pin on the PCB connector is numbered.
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Isolate as per TOPs P4
and refit as necessary