VOLVO
CEM-8F28 - Windshield wiper, high speed relay. Signal missing. Intermittent fault
System
Sentral elektronikk (CEM)
Volvo-modeller feilkoden gjelder for
Feilkoden har ulik betydning avhengig av modell, årsmodell eller motor. Velg betydningen som gjelder din bil.
Gjelder følgende modeller:
5 modellerS60 (2001–2009), S80 (1999–2006), V70 (2000–2008), V70 XC / XC70 (2001–2007), XC90 (2003–)
Hva betyr feilkoden?
The fault is intermittent: the CEM registered a break at the relay for the high wiper speed on an earlier occasion, but the break is no longer present. The wipers may then run only at the lowest speed.
Mulige årsaker
- Open circuit in the signal wire
- Open circuit in the power supply to the relay
- Faulty relay
- Relay not fitted
Hva du kan gjøre
- 1Clear the code and check whether it returns; an intermittent fault can be a temporary disturbance
- 2Check that the relay for the high wiper speed is securely connected and not loose
- 3Check the connectors for contact resistance, oxidation and play
- 4Look for a break in the wire between the CEM and the relay, especially where it may have chafed or come loose
- 5If the fault returns, have a workshop check the relay and the wiring
Symptomer du kan merke1
- The wipers only work at the lowest speed
Generell veiledning for bileiere. Feilsøking på bilen kan peke på en annen årsak.