Checking wiring and components
Check that the "Rear windshield defroster" relay 2/82 is correctly installed.
Check the rear electronic module connector and relay terminal 2/82 for contact resistance and oxidation according to Contact resistance and oxidation and for loose connections according to Loose connections (terminals) .
Check the cable between main fuse 11E/5 and "Rear windshield defroster" relay 2/82 terminal 5. Check the cable between main fuse 11D/5 and "Rear windshield defroster" relay 2/82 terminal 1. Check the cable between rear electronic module terminal D1 (#B01) and "Rear windshield defroster" relay 2/82 terminal 2 for an intermittent short-circuit to ground according to Short-circuit to ground, intermittent faults and an intermittent open-circuit according to Open-circuit, intermittent faults .
Other information:
- For -2003, see Signal specification
- For 2004, see Signal specification
- To connect the breakout box, see Connecting the breakout box .
- When the relay is installed and not activated, the voltage at the relay guide should be 12 V.
- Continue
Refer to Information