CITROEN C4 2004 - Safety as a Function of the Outside Temperature; Safety as a Function of Electric Diagnosis

AIR
CONDITIONING
393
Management of the air conditioning compressor
Safety as a function of the outside temperature.
The aircon compressor is cut if the outside temperature is lower than 3.5 °C.
The aircon compressor is triggered when the outside temperature goes above 5°C.
Safety as a function of electric diagnosis.
The cutting of the aircon compressor is effective in the following conditions:
- Fault in the aircon compressor clutch.
- Fault in the aircon compressor electrovanne.
- Fault in the aircon fluid pressure sensor.
- Fault in the blower (delay of 30 seconds).
- Fault in communication between the engine ECU and the BSI1.
- Fault in communication between the engine relay unit (BSM) and the BSI1.
NOTE: see procedure «Principle of operation: air conditioning».
CHECKING THE EFFICIENCY OF THE AIR CONDITIONING SYSTEM
UK-C4-page385-409-2004 15/11/04 9:13 Page 393