Checking the control module

Check the relay coil driver circuit for a short-circuit to supply voltage by measuring the voltage at terminal #2 in the relay base.

HINT: The voltage between terminal #2 and ground should be approximately 0 V. 

Remedy as necessary.

Other information 

• To access and replace the relay, see Central electronic module (CEM), replacing
• For further information about the fuses and relays, see the Wiring Diagram
• See Checking wiring and terminals .

Fig 2: Identifying Voltage Display

Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 3: Identifying Terminals

Courtesy of VOLVO CARS OF NORTH AMERICA.

Refer to Verification