XK-8 Convertible (X100) V8-4.0L (AJ27) (2001)
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Coolant Temperature Sensor / Switch HVAC: Description and Operation
Coolant Temperature Signal
This signal is supplied to the A/CCM from the instrument cluster, the input being required to:
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Provide blower inhibit control , to avoid the system in heating mode delivering cold air when the coolant temperature is below 35 °C unless
DEFROST is selected.
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To progressively increase the fan speed up to maximum blower speed during warm up control. To assist in the control of the outlet temperature.
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To avoid possible pump or valve damage caused by ice particles in the coolant.
