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
Inspection Signal Circuit Inspection 1. Check ignition lock switch pull-up voltage (1) IG KEY "OFF", ENGINE "OFF". (2) Disconnect ignition lock switch connector ...

Kia Cee'd JD Owners Manual: Anti-lock brake system (ABS) warning light
This light illuminates if the ignition switch is turned ON and goes off in approximately 3 seconds if the system is operating normally. If the ABS warning light remains on, comes on while driving, or does not come on when the ignition switch is turned to the ON position, this indicate ...