Kia Rio: Air Conditioning System / A/C Pressure Transducer
Description and operation
| Description |
The A/C Pressure Transducer (APT) 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. Engine ECU stop the operation of compressor when the temperature of refrigerant line is so high or so low irregularly to optimize air conditioning system.
Repair procedures
| Inspection |
| 1. |
Measure the pressure of high pressure line by measuring voltage output between terminal “1” and “2”.
|
| 2. |
Inspect the voltage value to determine whether it is within specification.
|
| 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. |
Remove the A/C pressure transducer (A) disconnecting the A/C pressure transducer connector
|
Repair procedures Replacement 1. Remove the condenser. 2. Remove the cap (B) on the bottom of the condenser with L wrench (A).
Description and operation 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 Rio 2017-2023 YB Service Manual: Power Door Mirrors
C
Kia Rio 2017-2023 YB Service Manual: Climate Control Air Filtar
Description and operation Description The climate control air filter is located in the bower unit. It eliminates foreign materials and odor. The particle filter performs a role as an odor filter as well as a conventional dust filter to ensure comfortable interior environment.
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