Checking The Wire

Check the wire between central electronic module (CEM) 17D and ignition lock light (16/65) 5 for an intermittent short circuit to ground as described in, see SHORT-CIRCUIT TO GROUND, INTERMITTENT FAULTS and for a loose contact as described in LOOSE CONNECTIONS (TERMINALS) .

Check the wire between central electronic module (CEM) 5B and high level brake light (10/19) 5 for an intermittent short circuit to ground as described in, see SHORT-CIRCUIT TO GROUND, INTERMITTENT FAULTS and for a loose contact as described in LOOSE CONNECTIONS (TERMINALS) .

Also check the connector.

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 1: Identifying Connector Terminals

Courtesy of VOLVO CARS CORPORATION

Fig 2: Identifying Ohm Meter

Courtesy of VOLVO CARS CORPORATION

Fig 3: 10 CD Changer Connector Terminals

Courtesy of VOLVO CARS CORPORATION