Checking the cable

Check the cable between engine coolant temperature sensor connector terminal #1 and engine control module (ECM) terminal #47. Check for a short-circuit to ground according to Short-circuit to ground, permanent faults .

Remedy as necessary.

Fig 1: Identifying Engine Coolant Temperature (ECT) Sensor And 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