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 Check switches, connectors and crimp connections for oxidation, withdrawn pins and pin clamping force.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.