Checking the control module

Fig 1: Identifying Ignition ON

Courtesy of VOLVO CARS OF NORTH AMERICA.

• Ignition on
• Activate solenoid SLU.

  Read off the current through the solenoid SLU circuit.

  The current should oscillate between 0 and 1000 mA.

  Fig 2: Identifying VCT2000 Diagnostic Tool Symbol In VIDA

  Courtesy of VOLVO CARS OF NORTH AMERICA.

Does the current oscillate? 

• YES 

  Refer to Fault-tracing information 

• NO 

  Refer to Replacing the control module