Checking wiring and components
Check that the "Rear windshield defroster" relay 2/82 is intact. Check that the relay is correctly installed.
Check that the main fuse 11E/5 and 11D/5 is intact.
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. Check these cables for an open-circuit according to Open-circuit, permanent faults .
Check the relay terminal for an open-circuit according to Open-circuit, permanent faults .
Remedy as necessary.
Try a new relay if no faults are found.
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 Verification