Checking The Component And Wiring

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

Check the signal cable between engine control module (ECM) terminal #B51 (#C51) and air conditioning (A/C) pressure sensor terminal #2. Check for an open-circuit.

Remedy as necessary.

Other information 

• see CONNECTING THE BREAKOUT BOX
• see SIGNAL SPECIFICATION (2004, 2005)
• see SIGNAL SPECIFICATION (2006, 2007)
• see LOCATION OF COMPONENTS, ENGINE COMPARTMENT
• see CHECKING WIRING AND TERMINALS

Fig 1: Identifying Connector Terminals

Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 2: Identifying VCT2000 Diagnostic Tool Symbol In VIDA

Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 3: Identifying Air Conditioning (A/C) Pressure Sensor

Courtesy of VOLVO CARS OF NORTH AMERICA.

• Continue 

  Refer to VERIFICATION