Checking the control module

Fig 1: Identifying Ignition On Position

Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 2: Connecting Control Unit

Courtesy of VOLVO CARS OF NORTH AMERICA.

• Ignition off.
• Connect control module.
• Ignition on.

  When the ignition is switched on the control module lights the ABS warning lamp. Check that the warning lamp goes out after approximately 2 seconds.

  If the warning lamp goes out, the cause of the fault has been loose connections in the control module connector. Check control module connector for contact resistance and oxidation and remedy according to Contact resistance and oxidation .

  A fault has been registered if the warning lamps do not go out. Try a new control module according to Replacing the control module .

Select Continue when the fault has been remedied. 

• Continue 

  Refer to Verification