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: Repair procedures
Replacement 1. Disconnect the battery negative cable from the battery and then wait for at least 30 seconds. 2. Turn the steering wheel so that the front wheels can face straight ahead. 3. Remove t ...

: Checking the Coolant
When the engine is cold, check the concentration and level of the coolant at the intervals listed in the scheduled maintenance information. Note: Make sure that the coolant level is between the minimum and maximum marks on the coolant reservoir. Note: Coolant expands when it is hot. The level ...