Checking Components

Check that the following components are intact:

• Rear windshield heating fuse
• Rear windshield heating switch.

For information about fuse numbers and the number on the terminal pins, see the appropriate service information.

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 in VIDA (Volvo scan tool) to activate and deactivate the relay.

Remedy as necessary.

Other information 

• see CHECKING WIRING AND TERMINALS

Was a fault detected? 

• YES 

  Refer to VERIFICATION 

• NO 

  Refer to CHECKING THE COMPONENTS AND WIRING