Checking the engine cooling fan (FC) relay

Connect an ohmmeter between engine cooling fan (FC) relay terminals #1 and #2 (relay side).

Fig 1: Identifying System Relay Control Connector Terminals

Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 2: Identifying Ohmmeter

Courtesy of VOLVO CARS OF NORTH AMERICA.

The ohmmeter should read approximately 75 Ω at +20 °C. 

• OK 

  Refer to Checking the signal cable 

• NOT OK 

  Refer to Defective engine cooling fan (FC) relay