Checking the control module

HINT: The control module may be damaged if there has been a short-circuit to supply voltage in the circuit for solenoid STH. Check the control module as follows: 

Fig 1: Engine Start Verification

Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 2: Identifying Connector(s) Reinstallation

Courtesy of VOLVO CARS OF NORTH AMERICA.

• Ignition off
• Start the car
• Reinstall the connectors, components etc.
• Read off the current through the solenoid circuit
• Depress the accelerator pedal (AP) slowly.

  The current should decrease as the accelerator pedal (AP) is depressed.

  Fig 3: Identifying VCT2000 Diagnostic Tool Symbol In VIDA

  Courtesy of VOLVO CARS OF NORTH AMERICA.

Does the current decrease? 

• YES 

  Refer to Verification 

• NO 

  Refer to Replacing the control module and programming