B1190

B1190

Horn relay, short to ground







Fault symptoms

Horn does not work.

Type of diagnosis

Continuous

Enable criteria

Control module output active (Horn switch activated).

Fault criteria

Circuit/control module output shorted to ground.

Diagnostic help

The horn can be activated with the diagnostic tool.
The horn switches can be read with the diagnostic tool.

Checking the wiring harness

Jiggle the wiring harness at several points and in different directions to detect intermittent breaks and short circuits. Check switches, connectors and crimp connections for oxidation, withdrawn pins and pin clamping force.

Fault diagnosis procedure is not available.