Checking The Power Supply And Ground For The Differential Electronic Module (DEM)

Check that the fuse for the control module is intact.

Checking the power supply and ground terminal for the differential electronic module (DEM).

Other information: 

• see CHECKING THE SUPPLY VOLTAGE/GROUND TERMINAL
• see CHECKING WIRING AND TERMINALS

Fig 1: Active On Demand Coupling Control Module

Courtesy of VOLVO CARS CORPORATION

Was a fault detected? 

• YES 

  Refer to CHECKING THE DIFFERENTIAL ELECTRONIC MODULE (DEM) 

• NO 

  Refer to CHECKING COMMUNICATION WITH THE DIFFERENTIAL ELECTRONIC MODULE (DEM)