B3622 59
B3622 59
Steering Wheel Control, Stuck
Fault symptom
- Horn not working.
- No Sentronic function.
On-board diagnosis
Type of diagnosis:
- Continuous
Enable criteria:
- Turn Ignition On
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:
Test value:
- 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)