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Thermistor Check
Harness Continuity Check
Harness Short Check
Remove connectors
from thermistor
Thermistor OK
Remove appropriate
connectors
Is continuity observed
between each end of
wire in question?
Faulty harness
or connector
Harness OK
Remove appropriate
connectors
Faulty harness
Harness OK
Is short circuit
observed between pair
of wires in question?
Is resistance between
terminals of thermistor
between 690ohms & 33k
Faulty thermistor
YES
YES
YES
YES
NO
NO
YES
YES
NO