Checking The Wire And The Relay

Fig 1: Identifying Ignition OFF

Courtesy of VOLVO CARS CORPORATION

• Ignition off.

  Check the wire between central electronic module (CEM) 6C and relay 2/64 1 and connector 8 and 2 for a short circuit to voltage supply as described in, see OPEN-CIRCUIT, PERMANENT FAULTS .

  Check that relay 2/64 is installed correctly.

  Do the necessary corrective action.

  Additional information: 

  • For information on the central electronic module (CEM) connector:
    • For -2004, see: CENTRAL ELECTRONIC MODULE (CEM), REPLACING
    • For 2005-, see: CENTRAL ELECTRONIC MODULE (CEM), REPLACING .
  • To connect the test box, see CONNECTING THE BREAKOUT BOX .
  • -2004: SIGNAL SPECIFICATION
  • 2005-: SIGNAL SPECIFICATION
  Fig 2: Breakout Box

  Courtesy of VOLVO CARS CORPORATION
  Fig 3: Identifying Ohm Meter

  Courtesy of VOLVO CARS CORPORATION

Is there a fault? 

• YES 

  Refer to VERIFICATION 

• NO 

  Refer to REPLACING THE COMPONENT