VOLVO
ECM-1794 - Battery voltage. Faulty signal
Układ
Sterownik silnika (ECM)
Modele Volvo, których dotyczy ten kod błędu
Dotyczy następujących modeli:
3 modeleC30 (2007–2013), S40 (2004–2013), V50 (2004–2013)
Co oznacza ten kod błędu?
The ECM monitors the battery voltage. If the voltage is out of range, high or low, fault code ECM-1794 is set. The fault may lie in the battery or in the alternator.
Możliwe przyczyny
- Damaged battery
- Damaged alternator
Co możesz zrobić
- 1Check that the battery terminals are tight and clean, and that the connectors in the battery circuit have no play or oxidation
- 2Check the condition of the battery. An old or flat battery can give the wrong voltage, so charge or replace it as needed
- 3If you have a diagnostic tool: read the battery voltage in live data with the engine off and running, and check that the values look reasonable
- 4If the fault remains after these checks, have a workshop check that the alternator charges correctly
Objawy, które możesz zauważyć1
- No noticeable symptoms for the driver
Ogólne wskazówki dla właścicieli. Diagnostyka na samochodzie może wskazać inną przyczynę.