Checking the wires and components
Check that fuse 11C/28 in the interior fuse box is correctly installed and is intact.
Check the wire between the battery positive pole and control unit 1 and 11 for an intermittent open circuit as described in Open-circuit, intermittent faults , and for an intermittent short circuit to ground as described in Short-circuit to ground, intermittent faults .
Additional information
- For information on signals and additional values, see Signal specification
- To connect the test box, see Connecting the breakout box .