Checking the control module

WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2009 Volvo S60, 2008 Volvo S60, 2007 Volvo S60, 2006 Volvo S60, and 2005 Volvo S60. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Identifying Ignition ON

Courtesy of VOLVO CARS OF NORTH AMERICA.

Ignition off
Remove the relay
Ignition on.
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.

Continue
Refer to Verification