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Home >> Volvo >> 2007 >> V50 Base, 2.4 39 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control Module (ECM) Diagnostic Trouble Codes - 6 Of 9 >> ECM-5200: Air Conditioning (A/C) Pressure Sensor. Faulty Signal (B5254T3; 2005-2007) >> Faulty Signal >> Checking The Component And Wiring
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Checking The Component And Wiring

Check the connector for the air conditioning (A/C) pressure sensor. Check for contact resistance and oxidation.

Check that the air conditioning (A/C) system has sufficient refrigerant. Check that there is no leakage.

HINT: The diagnostic trouble code (DTC) can also be caused by a damaged air conditioning (A/C) pressure sensor. 

Remedy as necessary.

Other information 

Fig 1: Identifying Connector Terminals
GLL104124Courtesy of VOLVO CARS CORPORATION
Fig 2: Identifying VCT2000 Diagnostic Tool Symbol In VIDA
GLL100563Courtesy of VOLVO CARS CORPORATION
Fig 3: Identifying Air Conditioning (A/C) Pressure Sensor
GLL140238Courtesy of VOLVO CARS CORPORATION