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Supply temperature sensor is open. No continuity.
1. Is harness plugged into supply water sensor?
Is harness plugged into control module J5?
Yes: -> 2
No: Insert harness
2. Disconnect J5 from control module. Using digital meter measure check continuity of white wires between control board and sensor. Continuity?
Yes: -> 3
No: -> Replace wires
3. Unplug J5 connector on control board. Using digital meter measure resistance between terminals J5-11 and J5-3. Estimate sensor temperature. Does it fall in the range of the resistance chart?
Yes: Replace control module
No: Replace supply water sensor.
