DSM / B1820 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, Backrest Layback 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:
| Backrest back button has stuck (been active for more than 60 s). Alternatively, backrest forward button and backrest back button 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:
| Motor, Seat Back Rearward |
| (See also description of readings/activations in diagnostic tool) |
