VOLVO
AEM-7A12 - Rheostat signal. Signal too low / high or signal missing. Permanent fault
System
Zubehörmodul (AEM)
Volvo-Modelle, für die dieser Fehlercode gilt
Gilt für folgende Modelle:
4 ModelleS60 (2001–2009), S80 (1999–2006), V70 (2000–2008), V70 XC / XC70 (2001–2007)
Modelle nach Baujahr und Motor anzeigen (4)
Was bedeutet der Fehlercode?
The AEM has registered a signal that is too low or too high, or a break, on the rheostat wire to the radio, and the fault is permanent. The rheostat function on the audio system does not work. The wire may be shorted to ground or supply voltage, or have a break, and the radio may be faulty.
Mögliche Ursachen
- Rheostat wire to the radio shorted to ground
- Rheostat wire to the radio shorted to supply voltage
- Break in the rheostat wire to the radio
- Faulty radio
Was Sie tun können
- 1Follow the rheostat wire to the radio and look for chafing or damage that could cause a short or a break
- 2Check the connectors at the radio for oxidation and loose connections
- 3If the fault remains, have the radio replaced by a workshop after checking the wire
Symptome, die Sie bemerken können1
- The rheostat function on the audio system does not work
Allgemeine Hinweise für Fahrzeughalter. Die Diagnose am Fahrzeug kann eine andere Ursache zeigen.