Checking wiring and terminals

Check the cable between engine coolant temperature (ECT) sensor connector terminal #1 (engine control module (ECM) side) and engine control module (ECM) terminal #47. Check for a short-circuit to supply voltage according to Short-circuit to supply voltage. Permanent faults .

Remedy as necessary.

Fig 1: Identifying Terminal Connectors

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Fig 2: Identifying Voltage Display

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Fig 3: EMS2000

Courtesy of VOLVO CARS OF NORTH AMERICA.

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  Refer to Verification 

Check the cable between engine coolant temperature (ECT) sensor connector terminal #1 (engine control module (ECM) side) and engine control module (ECM) terminal #47. Check for an open-circuit according to Open-circuit, permanent faults .

Check the cable between engine coolant temperature (ECT) sensor connector terminal #2 (engine control module (ECM) side) and engine control module (ECM) terminal #73. Check for an open-circuit according to Open-circuit, permanent faults .

Remedy as necessary.

Fig 1: Identifying Terminal Connectors

Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 2: Identifying Ohmmeter

Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 3: EMS2000

Courtesy of VOLVO CARS OF NORTH AMERICA.

• Continue 

  Refer to Verification