Operation CHARM: Car repair manuals for everyone.

Horn Relay Control Circuit Open

Test 1 - 2:




Test 3 - 4:






SYMPTOM
HORN RELAY CONTROL CIRCUIT OPEN

WHEN MONITORED
With the ignition ON.

SET CONDITION
When the Front Control Module detects an open on the Horn Relay Control circuit.

TEST NOTE
All symptoms listed above are diagnose~ using the same tests. The title for the tests will be HORN R~LAY CONTROL CIRCUIT LOW.


POSSIBLE CAUSES
- Front control module
- Fuse # 45
- Integrated power module
- Intermittent DTC