Checking solenoid SLT

Fig 1: Identifying Ignition ON

Courtesy of VOLVO CARS OF NORTH AMERICA.

• Ignition on
• Activate solenoid SLT.

  The solenoid must "click" on activation (use a stethoscope to hear the sound more clearly) and the current must oscillate between 0 and 1 A. There is a mechanical fault if no "clicking" noise is heard.

  Fig 2: Identifying VCT2000 Diagnostic Tool Symbol In VIDA

  Courtesy of VOLVO CARS OF NORTH AMERICA.
  Fig 3: Identifying Line Pressure Solenoid (SLT)

  Courtesy of VOLVO CARS OF NORTH AMERICA.

Was solenoid SLT OK? 

• YES 

  Refer to Test driving 

• NO 

  Refer to Replacing the transmission control system