Checking Power Supply And Ground For Infotainment Control Module (ICM)

Fig 1: Identifying Ignition OFF

Courtesy of VOLVO CARS OF NORTH AMERICA.

• Ignition off.

  Check that the fuse for the infotainment system in the fusebox in the engine compartment is intact. Also check the subsequent circuit. Check for an open-circuit. Check for a short-circuit to ground.

  Check that the fuse for the infotainment control module (ICM) in the central electronic module (CEM) is intact.

  Check the cable between the infotainment control module (ICM) and ground. Check for an open-circuit. Check for a short-circuit to supply voltage.

  Other information 

  • see CONNECTING THE BREAKOUT BOX
  • see SIGNAL SPECIFICATION
  • see INFORMATION AND ENTERTAINMENT DISPLAY
  • see CHECKING WIRING AND TERMINALS
  Fig 2: Identifying Ohmmeter

  Courtesy of VOLVO CARS OF NORTH AMERICA.
  Fig 3: Identifying Infotainment Control Module (ICM)

  Courtesy of VOLVO CARS OF NORTH AMERICA.

Was a fault detected? 

• YES 

  Refer to VERIFICATION 

• NO 

  Refer to CHECKING INFOTAINMENT RELAY STATUS