Checking the power cable

Check the cable between connector terminal #3 for the air conditioning (A/C) pressure sensor (control module side) and engine control module (ECM) terminal #74. Check for an open-circuit according to Open-circuit, permanent faults .

Remedy as necessary.

Fig 1: Identifying Air Conditioning (A/C) Pressure Sensor Connector Terminals

Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 2: Identifying Ohmmeter

Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 3: Identifying EMS2000

Courtesy of VOLVO CARS OF NORTH AMERICA.

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  Refer to Verification