Chime/Thermistor
Rear Light Bar:
The chime/thermistor assembly is a small capacitor shaped electrical component mounted to the rear license plate lamp housing assembly, located just above the license plate. The chime portion of the assembly controls the audible chime sound heard at the rear of the vehicle when the power liftgate is in motion. The thermistor portion of the assembly is a temperature sensor, used by the power liftgate control module. The chime/thermistor assembly is a serviceable component.
The chime/thermistor assembly performs two different functions for the power liftgate system. First, the chime portion provides an audible chime sound which is controlled by the power liftgate control module. The chime/thermistor assembly is hardwired to the power liftgate control module. Second the thermistor provides a outside temperature reading by way of a resistance reading supplied to the power liftgate control module. As temperature increases the resistance reading increases, as temperature decreases the resistance reading decreases.