Checking Communication

Fig 1: Identifying Ignition ON

Courtesy of VOLVO CARS OF NORTH AMERICA.

• Ignition on.

  Check that communications with the rain sensor module (RSM) are working by reading out the control module part number.

  Click the symbol for VCT2000 to begin reading off.

  Fig 2: Identifying VCT2000 Diagnostic Tool Symbol In VIDA

  Courtesy of VOLVO CARS OF NORTH AMERICA.

Can the serial number be read off? 

• YES 

  Refer to VERIFICATION 

• NO 

  Refer to REPLACING THE CONTROL MODULE