Veracruz FWD V6-3.8L (2009)
Coolant Temperature Sensor / Switch HVAC: Description and Operation
Description
1. Water temperature sensor is located at the heater unit.
2. It detects coolant temperature. Its signal is used for cold engine lockout control. When the driver operates the heater before the engine is warmed
up, the signal from sensor causes the heater control unit to reduce blower motor speed until coolant temperature reaches the threshold value.
