VOLVO
CEM-B1D3912 - Rear Wiper Motor Connection Circuit. General Electrical Failures. Circuit short to battery
Układ
Centralny moduł elektroniczny (CEM)
Modele Volvo, których dotyczy ten kod błędu
Dotyczy następujących modeli:
6 modeliS60 (2011–), V60 (2011–), V60 Cross Country (2015–), V70 (2008–), XC60 (2009–), XC70 (2008–)
Co oznacza ten kod błędu?
The central electronic module (CEM) supplies and controls the rear wiper. The code is set when the signal from the wiper is too high, which is caused by the signal cable being shorted to voltage.
Możliwe przyczyny
- The signal cable to the rear wiper is shorted to voltage
Co możesz zrobić
- 1Read and clear the code, then activate the rear wiper and see whether it works
- 2Check the rear wiper fuse
- 3Use a multimeter to see whether the signal cable has voltage with the ignition off
- 4Look for chafing and damaged insulation on the cable to the rear wiper
- 5If the wire is intact, have a workshop with diagnostic equipment check the module output
Objawy, które możesz zauważyć1
- The rear wiper does not work
Na co może wpływać usterka3
- The function switches off during the driving cycle in which the fault is detected
- After repeated driving cycles with the fault, the function is switched off permanently
- Clearing the fault codes and starting a new driving cycle resets the output
Ogólne wskazówki dla właścicieli. Diagnostyka na samochodzie może wskazać inną przyczynę.