Checking components and wiring
Check the cable between the control module terminal #8 and roof lamp module terminal #2A. Check for an open-circuit. Check for a short-circuit to ground.
Check the cable between the roof lamp module terminal #10A and the ground terminal 31/83 (A-post, left). Check for an open-circuit.
Remedy as necessary.
Replace the printed circuit board if no fault was found
Other information
- To connect the breakout box, see Connecting the breakout box
- For further information about signals and other values, see Signal specification
- To access or replace the printed circuit board, For -2002, see Interior lighting and upper electronic module (UEM), replacing For 2003-, see Interior lighting, replacing
- To access the sun roof control module, see Control module, sun roof, replacing
- See Checking wiring and terminals .