Checking the wiring and component

Check that the "Rear windshield defroster" relay 2/82 is correctly installed.

Check the rear electronic module connector and relay terminal 2/82. Check for contact resistance and oxidation. Check for loose connections.

Check the cable between rear electronic module terminal #D1 (#B01) and "Rear windshield defroster" relay 2/82 terminal #2. Check for an intermittent short-circuit to supply voltage. Check for an intermittent open-circuit.

Other information: 

• For further information about signals and other values, see Signal specification
• To connect the breakout box, see Connecting the breakout box
• When the relay is installed and activated, the voltage at the relay guide must be 0 V
• See Checking wiring and terminals. Intermittent faults .

Fig 1: Identifying Ohm Meter

Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 2: Identifying Relays

Courtesy of VOLVO CARS OF NORTH AMERICA.

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