PSM / B1730 08
Read the instructions below then
start the fault diagnostic procedure.
Symptom: The button is considered inactive until it is released and activated again.
The engine can temporarily go in the opposite direction
Switch Height Down Circuit, Signal Invalid
Fault symptom
The button is considered inactive until it is released and activated again.
The engine can temporarily go in the opposite direction
On-board diagnosis
Type of diagnosis:
Enable criteria:
| When seat operation is permitted. |
Fault criteria:
| DOWN button has stuck (been active) for more than 60 seconds or the UP and DOWN buttons are both active. |
System reaction to a fault:
| • | The button is considered inactive until it is released and activated again. |
| • | The engine can temporarily go in the opposite direction |
Diagnostic help
Diagnosis regards:
| Detecting an electrical or mechanical fault on the button. |
Functions in the diagnostic tool related to the fault:
| (See also description of readings/activations in diagnostic tool) |
