Checking The Component And Cable

Fig 1: Identifying Ignition OFF

Courtesy of VOLVO CARS CORPORATION

• Ignition off.

  Check the cable between central electronic module (CEM) connector terminal #20A and ignition switch connector terminal #50. Check for a short-circuit to supply voltage. Check for an open-circuit.

  Other information: 

  • The voltage must be 0 V if the key is in position 0, I or II
  • For -2004, see: CENTRAL ELECTRONIC MODULE (CEM), REPLACING .
  • For 2005-, see: CENTRAL ELECTRONIC MODULE (CEM), REPLACING .
  • To connect the breakout box to the control module, see CONNECTING THE BREAKOUT BOX
  • -2004: SIGNAL SPECIFICATION
  • 2005-: SIGNAL SPECIFICATION
  • see CHECKING WIRING AND TERMINALS .
  Fig 2: Breakout Box

  Courtesy of VOLVO CARS CORPORATION
  Fig 3: Identifying Voltage Display

  Courtesy of VOLVO CARS CORPORATION
  Fig 4: Identifying Central Electronic Module (CEM) Connector Terminals

  Courtesy of VOLVO CARS CORPORATION

Were any faults found in the cable? 

• YES 

  Refer to VERIFICATION 

• NO 

  Refer to REPLACING THE COMPONENT