CIM / B3622 59
Read the instructions below then
start the fault diagnostic procedure.
Symptom: Horn not working.
No Sentronic function.
Steering Wheel Control, Stuck
Fault symptom
Horn not working.
No Sentronic function.
On-board diagnosis
Type of diagnosis:
Enable criteria:
Fault criteria:
| Steering wheel switch depressed for more than 2 minutes. |
Checking the wiring harness
Move the wiring harness at several spots and in several directions to reveal intermittent breaks and short-circuits. Check switches, connectors and crimp connections for oxidation, retracted pins and pin clamping force.
Diagnostic help
Diagnosis regards:
| Electrical fault in connecting leads or component. |
Functions in the diagnostic tool related to the fault:
| Steering Wheel Control, Sentronic Down |
| Steering Wheel Control, Sentronic Up |
| Steering Wheel Control, Horn |
| Steering Wheel Control, Sentronic / Horn, Voltage |
| (See also description of readings/activations in diagnostic tool) |
