Checking the ground cable

Fig 1: Identifying Ignition OFF

Courtesy of VOLVO CARS OF NORTH AMERICA.

• Ignition off.

  Check that there is a ground for each lamp. Measure the resistance between the relevant lamp terminal #4 and ground.

  The resistance must be approximately 0 ohm.

  There are four light bulbs; left front, right front, left rear and right rear.

  Remedy as necessary.

  Other information: 

  • To access or replace the front courtesy lighting, see Courtesy lighting, front, replacing
  • To access or replace the rear courtesy lighting (-2004), see Courtesy lighting, rear, replacing
  • To access or replace the rear courtesy lighting (2005-), see Courtesy lighting, rear, replacing
  Fig 2: Electronic Throttle Module (ETM) Connector Terminal Identification

  Courtesy of VOLVO CARS OF NORTH AMERICA.
  Fig 3: Identifying Ohmmeter

  Courtesy of VOLVO CARS OF NORTH AMERICA.

Does the courtesy lighting function? 

• YES 

  Refer to Verification 

• NO 

  Refer to Checking the power supply wiring