| Circuit Diagram |

Specification Current (A) Output Voltage (V) -300 (Charge)0.502.5+300 (Discharge)4.5
Removal • Be sure to read and follow the "General Safety Information and Caution" before doing any work related with the high voltage system.
Inspection1.Turn the ignition switch OFF.2.Disconnect the evaporator temperature sensor connector.3.Measure the resistance between terminal "+" and "-" of the evaporator temperature sensor.Specification Evaporator core temperature [°C (°F)] Resistance [KΩ]
DescriptionThe PTC (Positive Temperature Coefficient) heater is installed at the exit or the backside of the heater core.The PTC heater is an electric heater using a PTC element as an auxiliary heating device that supplements deficiency of interior heat source in highly effective hybrid engine.