Checking The Signal Cable

Fig 1: Identifying Ignition OFF

Courtesy of VOLVO CARS CORPORATION

• Ignition off.

  Check the cable for the vehicle speed signal between the central electronic module (CEM) terminal #10D (#B10) and the control module for speed related power steering terminal #2. Check for an open-circuit. Check for a short-circuit to supply voltage. Check for a short-circuit to ground.

  Remedy as necessary.

  Other information 

  • To access the central electronic module (CEM) connector, see CENTRAL ELECTRONIC MODULE (CEM), REPLACING
  • see CONNECTING THE BREAKOUT BOX
  • For information about signals, see SIGNAL SPECIFICATION
  • see CHECKING WIRING AND TERMINALS .
  Fig 2: Breakout Box

  Courtesy of VOLVO CARS CORPORATION
  Fig 3: Identifying Ohmmeter

  Courtesy of VOLVO CARS CORPORATION

Was a fault detected? 

• YES 

  Refer to VERIFICATION 

• NO 

  Refer to CHECKING SIGNAL CABLES