| Display zone | Meaning | Explanatory Notes |
| 3 | Signal for the windscreen wiper operating status (voltage at terminal “31 b”) | –
| Windscreen wipers or wiper/washer system are not switched on (wipers in park position) |
|
| –
| Earth is applied to connector “C”, contact “14” for the operating and display unit for air conditioner/Climatronic -E87- (via the windscreen wiper motor) |
|
| | | –
| Windscreen wipers or wiper/washer system are switched on |
| | –
| There is no earth applied to connector “C”, contact “14” for the operating and display unit for air conditioner/Climatronic -E87- |
|
| 4 | Encoding transmitted by the control unit in the dash panel insert -J285- and by the central control unit for the convenience system -J393-
| –
| For example: Display “00 000” = A vehicle for Germany with a petrol engine and a central control unit for convenience system -J393- for a LHD vehicle |
| | l
| Data is transmitted via the convenience data bus |
|