Test Point 26

TEST POINT 26
Button m, 1, 2, 3 or Operating Buttons Actuated For Longer Than 60 Seconds

Fault Code 32
This fault is stored in the following case:
- Switch for memory seat adjustment (1, 2, or 3), or switch for seat adjustment (e.g. Fore-and-aft adjustment forward) is continuously switched.

Fault Effect: Switch is ignored, all further adjustments are jerky

Elimination:

- Erase fault memory and read it out again after a waiting time of 60 seconds.

- Proceed as described below if the fault is still present:

- Select menu item Input signals.

The following button positions can be read out in the menu item Input signals:
- Button m
- Button 1
- Button 2
- Button 3
- Fore-and-aft adjustment forward
- Fore-and-aft adjustment backward
- Backrest forward
- Backrest backward
- Front height upward
- Front height downward
- Rear height upward
- Rear height downward
- Backrest forward
- Backrest backward
- Button up
- Button down
- Button backward
- Button forward

- Select a maximum of 8 button positions.

- Search for the key on the screen that is continuously actuated. A comparison table can be found on Page 72 - D 38.

- If a key is detected as faulty, replace the switch for memory seat adjustment or the switch for seat adjustment as appropriate.