Checking the wiring

Check the cable resistance between relay base terminal #2 and ground. Check for a short-circuit to ground.

Check the relay base switch. Check for contact resistance and oxidation.

Check the cable between relay base 2/91 terminal #2 and central electronic module (CEM) terminal #13. Check for an open-circuit.

Remedy as necessary.

Other information: 

• See Checking wiring and terminals

Fig 2: Identifying Ohm Meter

Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 3: Identifying Connectors

Courtesy of VOLVO CARS OF NORTH AMERICA.

Refer to Information