Kia Cadenza YG: Air Conditioning System / A/C Pressure Transducer Repair procedures
| Inspection |
| 1. |
Measure the pressure of high pressure line by measuring voltage output between NO.1 and NO.2 terminals.
|
| 2. |
Inspect the voltage value whether it is sufficient to be regular value or not.
|
| 3. |
If the measured voltage value is not specification, replace the A/C pressure transducer. |
| Replacement |
| 1. |
Disconnect the negative (-) battery terminal. |
| 2. |
Recover the refrigerant with a recovery/charging station. |
| 3. |
Disconnect the A/C pressure transducer connector (A).
|
| 4. |
Remove the A/C pressure transducer (B).
|
| 5. |
Installation is the reverse order of removal. |
Description A/C pressure transducer convert the pressure value of high pressure line into voltage value after measure it. By converted voltage value, engine ECU controls cooling fan by operating it high speed or low speed.
Description The evaporator temperature sensor will detect the evaporator core temperature and interrupt compressor relay power in order to prevent evaporator freezing by excessive cooling.
Other information:
Kia Cadenza YG 2016-2021 Service Manual: Blower Unit Repair procedures
Replacement 1. Disconnect the negative (-) battery terminal. 2. Remove the heater and blower unit.(Refer to HA group – heater unit). 3. Remove the blower unit (A) from the heater unit after loosening a mounting bolt and 3 screws. Make sure that there is no air leaking out of the blower and duct joints.
Kia Cadenza YG 2016-2021 Service Manual: Power Mosfet Repair procedures
Inspection 1. Ignition "ON" 2. Manually operate the control switch and measure the voltage of blower motor. 3. Select the control switch to raise voltage until high speed. Specification FanMotor VoltageManualFirst speed3.8 ±0.5VSecond speed5.
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