Hyundai Ioniq: Air Conditioning System / In-car Sensor. Description and operation

Hyundai Ioniq (AE) 2017-2025 Service Manual / Heating, Ventilation and Air Conditioning / Air Conditioning System / In-car Sensor. Description and operation

Description

The In-car air temperature sensor is built in the heater & A/C control unit.

The sensor contains a thermistor which measures the temperature of the inside. The signal decided by the resistance value which changes in accordance with perceived inside temperature, is delivered to heater control unit and according to this signal the control unit regulates in-car temperature to intended value.

Evaporator Temperature Sensor. Repair procedures

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...

In-car Sensor. Repair procedures

Diagnosis With GDS1.The heating, ventilation and air conditioning can be quickly diagnosed failed parts with vehicle diagnostic system (GDS).※ The diagnostic system (GDS) provides the following information...

Other information:

Hyundai Ioniq (AE) 2017-2025 Service Manual: General information

Basic Service SymbolsThere are five primary symbols used to complement illustrations. These symbols indicate the part to apply such materials during service. Symbol Meaning Do not reuse the part. Replace a new one...

Hyundai Ioniq (AE) 2017-2025 Service Manual: Stop Lamp Switch. Troubleshooting

Troubleshooting1. Part diagnosis Items Cause Symptom Switch fuse Faulty fuse connection, Damaged fuse – DTC Code : P0504– Symptom : Shifting gear trouble, Starting failure, Cruise control function cancelation trouble, EPB function cancelation trouble, Stop lamp lighting trouble, ESP OFF light illuminated...