Checking for open-circuits and short-circuits

Check the cable between the control module terminal #19 and roof lamp module terminal #5A. Check for an open-circuit. Check for a short-circuit to ground.

Replace the cable if a fault is found.

Try new bulbs in the roof lamp module if no fault is found.

Other information: 

• For further information about signals and other values, see Signal specification
• To connect the breakout box, see Connecting the breakout box
• To replace bulbs in the roof lamp module:
  • For -2002, see Interior lighting and upper electronic module (UEM), replacing
  • For 2003-, see Interior lighting, replacing .
• See Checking wiring and terminals .

Fig 1: Identifying Connector D Terminals

Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 2: Identifying Ohm Meter

Courtesy of VOLVO CARS OF NORTH AMERICA.

• Continue 

  Refer to Verification