Removal • When working on the high voltage system, make sure that you are familiar and comply with the "Safety Precautions, Cautions and Warnings".
DescriptionIn a hybrid electric vehicle, HCU (an upper level controller), LDC (power converter), and inverter are integrated in the HPCU. HPCU is located on the left side of the engine compartment.
Inspection1.Check the resistance of the ambient temperature sensor between terminals 1 and 2 whether it changes by changing the ambient temperature.1. Ambient Sensor (+)2. Sensor groundSpecification Ambient temperature [°C (°F)] Resistance between terminal 1 and 2 (
Inspection1.Check that the voltage values of No. 1, 2 duct sensors change1. Sensor (+ 5V)2. Sensor groundSpecification Ambient temperature [°C (°F)] Resistance (kΩ) Voltage (V) 50 (122)1.