VOLVO
ECM-800D - System relay. Signal too low
System
Motorstyring (ECM)
Volvo-modeller feilkoden gjelder for
Gjelder følgende modeller:
4 modellerC30 (2007–2013), C70 (2006–2013), S40 (2004–2013), V50 (2004–2013)
Vis modeller per årsmodell og motor (9)
- Volvo C30 (2007–2013)2007Kun motor: B5254T3
- Volvo C30 (2007–2013)2008–2013Kun motor: B5254T7
- Volvo C70 (2006–2013)2006–2007Kun motor: B5254T3
- Volvo C70 (2006–2013)2008–2013Kun motor: B5254T7
- Volvo S40 (2004–2013)2005–2007Kun motor: B5254T3
- Volvo S40 (2004–2013)2008Kun motor: B5254T3, B5254T7
- Volvo S40 (2004–2013)2009–2012Kun motor: B5254T7
- Volvo V50 (2004–2013)2005–2007Kun motor: B5254T3
- Volvo V50 (2004–2013)2008–2012Kun motor: B5254T7
Hva betyr feilkoden?
The ECM tests how the system relay works. Once the relay has been activated, the fault code is set if the voltage from it is too low. The cause may be contact resistance, a break in the signal wire or a damaged relay, and the engine will then not start. The fault applies to the C30, C70 (06-), S40 (04-) and V50.
Mulige årsaker
- Contact resistance in the connections
- Open circuit in the signal wire to the system relay
- Damaged system relay
Hva du kan gjøre
- 1Read the code, clear it and road test to see whether it comes back
- 2Check whether the connectors to the system relay are loose, corroded or making poor contact
- 3Check the signal wire for an open circuit, using a multimeter if you have one
- 4If the fault remains, have a workshop try a new system relay
Symptomer du kan merke1
- The engine does not start
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