Checking the ground terminal for the rear electronic module: Verification

Fig 1: Identifying Ignition OFF

Courtesy of VOLVO CARS OF NORTH AMERICA.

• Ignition off
• Control module disconnected
• Switch off all equipment that takes power from the battery (courtesy lighting, radio etc).

  Connect an ohmmeter between terminal #B21 on the breakout box and the battery negative terminal.

  The ohmmeter should read approximately 0 Ω.

  Fig 2: Identifying Ohmmeter

  Courtesy of VOLVO CARS OF NORTH AMERICA.

Is the value OK? 

• YES 

  VERIFIED:  Troubleshooting has been completed.

• NO 

  Refer to Information