Checking the cable for the relay
Check the cable between central electronic module (CEM) terminal #19A and horn relay (2/17) terminal #2 for an open-circuit according to Open-circuit, permanent faults .
Also check the connector for an open-circuit according to Open-circuit, permanent faults .
HINT: The fault may have been caused by an open-circuit in the supply to the relay.
HINT: The voltage must be 12 V at both terminals #1 and #2 for relay 2/17.
HINT: In particular, check that fuse 9 in the integrated relay/fusebox in the engine compartment is intact.
Try a new horn relay (2/17).
Remedy as necessary.
Other information
- For further information about signals and other values:
- -2004: see Signal specification
- 2005-: see Signal specification
- To connect the breakout box, see Connecting the breakout box .