Villager V6-181 3.0L SOHC VIN 1 EFI (1997)
Coolant Temperature Sensor / Switch HVAC: Description and Operation
TEMPERATURE CONTROL LOCKOUT VALVE AND SWITCH
The Cold Engine Lockout (CELO) switch is a thermistor type sensor located on the heater inlet hose between the engine and heater core. The CELO
switch is used to signal the EATC climate control assembly when the engine coolant is warm enough to be used for heating the passenger compartment.
