Checking Components

Check that the following components are intact:

• Rear windshield heating fuse
• Rear windshield heating switch.

Checking the relay 

Check that the rear windshield heating relay is correctly installed.

Also check the relay terminal, in particular terminal #5. Check for a short-circuit to ground.

Check the function of the rear windshield heating relay. Activate and deactivate the relay a number of times. The relay is functioning if there is a clicking sound when the relay is activated and deactivated.

Click the VCT2000 symbol to activate and deactivate the relay.

Remedy as necessary.

Other information 

• see CHECKING WIRING AND TERMINALS

Fig 1: Identifying VCT2000 Diagnostic Tool Symbol In VIDA

Courtesy of VOLVO CARS OF NORTH AMERICA.

Was a fault detected? 

• YES 

  Refer to VERIFICATION 

• NO 

  Refer to CHECKING COMPONENTS AND WIRING