SAAB WIS ONLINE

B1190

Read the instructions below then start the fault diagnostic procedure.

Symptom: Horn does not work.

B1190


Horn relay, short to ground


Fault symptom

Horn does not work.

Type of diagnosis

Continuous

Preconditions

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 Check switches, connectors and crimp connections for oxidation, withdrawn pins and pin clamping force.