Checking The Wiring And Component

Check the cable between rear electronic module terminal #D1 (#B01) and "Rear windshield defroster" relay 2/82 terminal #2 for a short-circuit to supply voltage according to SHORT-CIRCUIT TO SUPPLY VOLTAGE. PERMANENT FAULTS .

Check the relay terminal, in particular relay guide 2/82 terminal #2, for a short-circuit to supply voltage according to SHORT-CIRCUIT TO SUPPLY VOLTAGE. PERMANENT FAULTS .

Remedy as necessary.

Try a new relay if no faults are found.

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 should be 0 V.

Fig 1: Identifying Voltage Display

Courtesy of VOLVO CARS CORPORATION

Fig 2: Identifying Relays And Terminals

Courtesy of VOLVO CARS CORPORATION

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  Refer to VERIFICATION