Checking Wiring

Check the power cable. Check for an open-circuit. Check for a short-circuit to ground.

Take readings between:

• Central electronic module (CEM) terminal #H18 (#32) and sun roof module (SRM) terminal #2.

Remedy as necessary.

Other information 

• see CONNECTING THE BREAKOUT BOX (2008, 2009, 2010, 2011)
• see SIGNAL DESCRIPTION CENTRAL ELECTRONIC MODULE (CEM) (2008, 2009, 2010, 2011)
• see LOCATION OF COMPONENTS (2010, 2011)
• see CONTROL MODULE RELAY BOX PASSENGER COMPARTMENT
• see ROTARY SWITCH, SUN ROOF (2012)
• see CHECKING WIRING AND TERMINALS

Fig 3: Identifying Ohmmeter

Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 4: Identifying Sun Roof Module (SRM)

Courtesy of VOLVO CARS OF NORTH AMERICA.

Refer to VERIFICATION