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.

Receiver-Drier Repair procedures

Replacement 1. Remove the condenser. 2. Remove the cap (B) on the bottom of the condenser with a L wrench (A). ...

A/C Pressure Transducer Repair procedures

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: Ambient Temperature Sensor Description and operation
Description The ambient temperature sensor is located at the front of the condenser and detects ambient air temperature. It is a negative type thermistor; resistance will increase with lower temperature, and decrease with higher temperature. The sensor output will be used ...

Kia Cee'd JD Service Manual: Emergency Call (eCall) Button Repair procedures
Removal 1. Disconnect the negative (-) battery terminal. 2. Remove the overhead console lamp. (Refer to Lighting System - "Overhead Console Lamp") 3. Remove the eCall button (A) after lo ...