Operation CHARM: Car repair manuals for everyone.

Horn Input Stuck

Tests 1 - 3:





SYMPTOM
HORN INPUT STUCK

WHEN MONITORED
Continuously with the ignition ON.

SET CONDITION
The FCM has detected a fault in the Horn Switch Sense circuit.

POSSIBLE CAUSES
- Front control module internal malfunction
- Fuse and relay center internal malfunction
- Intermittent condition
- Horn switch sense circuit shorted to ground