Kia Cee'd: Troubleshooting / A/C Pressure Transducer Description and operation
The A/C Pressure Transducer (APT) converts the pressure value of high pressure
line into voltage value after measuring it. By converted voltage value, engine
ECU controls the cooling fan by operating it high speed or low speed. Engine
ECU stops the operation of the compressor when the temperature of refrigerant
line is very high or very low irregularly to optimize air conditioning system.

Replacement
1.
Remove the condenser.
2.
Remove the cap (B) on the bottom of the condenser with a L wrench (A).
...
Inspection
1.
Measure the pressure of high pressure line by measuring voltage output
between terminal “1” and “2”.
2.
...
Other information:
Kia Cee'd JD Service Manual: Injector Specifications
Specification
Item
Specification
Coil Resistance (Ω)
1.5 ± 5%[20°C(68°F)]
...
Kia Cee'd JD Owners Manual: Service mode
This mode calculates when you need a
scheduled maintenance service (mileage
or days)
If you want to see the service mode when
other modes are displayed, press the
button less than 1 second.
If you do not have your vehicle serviced
according to the scheduled maintenance
service on ...