Checking components

Activate the tailgate wiper using the wiper switch. Read off the status.

HINT: If the wiper switch status is OK, the fault is not in the steering wheel module (SWM). 

Fig 1: Identifying VCT2000 Diagnostic Tool

Courtesy of VOLVO CARS OF NORTH AMERICA.

Was the tailgate wiper status OK? 

• YES 

  FAULT NOT FOUND:  Troubleshooting has been completed.

• NO 

  Refer to Replacing fuses and relays .

Activate the tailgate wiper. Read off the status.

HINT: If the readout of tailgate wiper status was OK, the fault was caused by a damaged fuse or relay. The fuse can blow if relays are activated in the wrong order. This can happen when the key is turned from position I to position II and the wiper arm is activated at the same time. 

Fig 1: Identifying VCT2000 Diagnostic Tool

Courtesy of VOLVO CARS OF NORTH AMERICA.

Was the tailgate wiper status OK? 

• YES 

  OKAY:  Troubleshooting has been completed.

• NO 

  Refer to Replacing the wiper switch .

Activate the tailgate wiper. Read off the status.

HINT: If the tailgate wiper switch status is OK the fault is in the tailgate wiper. 

Fig 1: Identifying VCT2000 Diagnostic Tool

Courtesy of VOLVO CARS OF NORTH AMERICA.

Was the tailgate wiper status OK? 

• YES 

  OKAY:  Troubleshooting has been completed.

• NO 

  Refer to Replacing the steering wheel module (SWM) .