M45 V8-4.5L (VK45DE) (2006)
Cabin Temperature Sensor / Switch: Testing and Inspection
In-vehicle Sensor Circuit
COMPONENT DESCRIPTION
In-vehicle Sensor
The in-vehicle sensor is located on instrument driver lower panel. It converts variations in temperature of compartment air drawn from the aspirator into
a resistance value. It is then input into the unified meter and A/C amp.
Aspirator
The aspirator is located on driver's side of heater & cooling unit. It produces vacuum pressure due to air discharged from the heater & cooling unit,
continuously taking compartment air in the aspirator.