Operation CHARM: Car repair manuals for everyone.

Horn Relay Open

Tests 1 - 3:




SYMPTOM
HORN RELAY OPEN

WHEN MONITORED
Continuously with the ignition ON.

SET CONDITION
The FCM has detected an open in the Horn Relay Control circuit.

POSSIBLE CAUSES
- Front control module internal malfunction
- Fuse and relay center internal malfunction
- Intermittent condition
- Horn relay