Signal Too Low.
Signal too low.
Checking the wiring and connectors
- Ignition off
- Check the connector pin for the horn's relay in Central electronic module (CEM) #G18 (#18) for short-circuiting to ground. Also check the cable between Central electronic module (CEM) #G18 (#18) and horn relay (2/17) in the front fuse box for short-circuiting to ground. For more information, see wiring diagram and signal description.
- Click the VCT2000 symbol to read out relay status.
- If no problem was detected, replace the relay 2/17.
Other information
- Connecting the breakout box Connecting the Breakout Box, Central Electronic Module (CEM)
- Location of components Component Location, Central Electronic Module (CEM)
- Checking wiring and terminals Checking Wiring and Terminals
Continue - Verification
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Info
Attempt New Test - Checking the wiring and connectors
FAULT-TRACING FAILED - No Fault Found
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Verification
Hint: After carrying out the repair check that the fault has been remedied.
- Ignition off.
- Reinstall the connectors, components etc.
- Ignition on.
- Check that the horn is working.
Is the function OK?
Yes - FAULT FOUND
No - Info
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