VOLVO
ECM-91C7 - Throttle unit. Faulty signal
System
Motorstyring (ECM)
Volvo-modeller feilkoden gjelder for
Gjelder følgende modeller:
8 modellerC70 Cabriolet (1998–2005), S40 (2004–2013), S60 (2001–2009), S80 (1999–2006), V50 (2004–2013), V70 (2000–2008), V70 XC / XC70 (2001–2007), XC90 (2003–)
Vis modeller per årsmodell og motor (15)
- Volvo C70 Cabriolet (1998–2005)2003–2005
- Volvo S40 (2004–2013)2004Kun motor: B5254T3
- Volvo S60 (2001–2009)2002Kun motor: B5204T5, B5234T3, B5234T7, B5244T3
- Volvo S60 (2001–2009)2003Kun motor: B5204T5, B5234T3, B5234T7, B5244T3, B5254T2
- Volvo S60 (2001–2009)2004Kun motor: B5204T5, B5234T3, B5234T7, B5254T2, B5254T4
- Volvo S80 (1999–2006)2002Kun motor: B5204T5, B5234T7, B5244T3, B6294S2, B6294T
- Volvo S80 (1999–2006)2003Kun motor: B5204T5, B5234T7, B5244T3, B5254T2, B6294S2, B6294T
- Volvo S80 (1999–2006)2004Kun motor: B5204T5, B5234T7, B5254T2, B6294S2, B6294T
- Volvo V50 (2004–2013)2004Kun motor: B5254T3
- Volvo V70 (2000–2008)2002Kun motor: B5204T5, B5234T3, B5234T7, B5244T3
- Volvo V70 (2000–2008)2003Kun motor: B5204T5, B5234T3, B5234T7, B5244T3, B5254T2
- Volvo V70 (2000–2008)2004Kun motor: B5204T5, B5234T3, B5234T7, B5254T2, B5254T4
- Volvo V70 XC / XC70 (2001–2007)2002
- Volvo V70 XC / XC70 (2001–2007)2003–2004Alle motorer unntatt: D5244T
- Volvo XC90 (2003–)2003–2004Alle motorer unntatt: D5244T
Hva betyr feilkoden?
The engine control module (ECM) tries to adapt the throttle unit. If it finds that the throttle's movement is blocked, or if its opening spring is not working properly, the code is set. The fault can come from a sticking throttle, poor contacts, damaged wiring or a damaged throttle unit.
Mulige årsaker
- The throttle sticks or is blocked by oil film or dust
- Contact resistance or oxidation in the connectors between the throttle unit and the ECM
- Open circuit or short-circuit to ground or voltage in the wiring to the damper motor
- The wiring to the damper motor is short-circuited to itself
- Defective or damaged throttle unit
Hva du kan gjøre
- 1Read off the fault codes and first troubleshoot ECM-9150 and/or ECM-9160 if they are stored
- 2Check the connectors at the throttle unit and the engine control module for contact resistance and oxidation
- 3Check that the throttle is not blocked by any object or sticking, and clean it if necessary
- 4Use a multimeter to check that the damper motor wires have no open circuit and are not short-circuited to ground, voltage or each other
- 5If the fault code returns, the throttle unit is damaged, and a workshop should replace it and carry out the adaptation
Symptomer du kan merke2
- The Check engine lamp lights
- Performance is reduced
Hva feilen kan påvirke1
- Depending on the fault, the ECM can disconnect the damper motor, and the throttle then tries to go back to rest
Generell veiledning for bileiere. Feilsøking på bilen kan peke på en annen årsak.