VOLVO
ECM-P009721 - Intake Air Temperature Sensor 2 Circuit Low Input. General Signal Failures. Signal too low
System
Motorsteuergerät (ECM)
Volvo-Modelle, für die dieser Fehlercode gilt
Gilt für folgende Modelle:
5 ModelleS80 (2007–), V70 (2008–), XC60 (2009–), XC70 (2008–), XC90 (2003–)
Modelle nach Baujahr und Motor anzeigen (6)
- Volvo S80 (2007–)2007–2009Nur Motor: D5244T4, D5244T5
- Volvo V70 (2008–)2008–2009Nur Motor: D5244T4, D5244T5
- Volvo XC60 (2009–)2009Alle Motoren außer: B6304T2
- Volvo XC70 (2008–)2008Alle Motoren außer: B6324S
- Volvo XC70 (2008–)2009Nur Motor: D5244T4, D5244T5
- Volvo XC90 (2003–)2013–2014Nur Motor: D5244T18, D5244T5
Was bedeutet der Fehlercode?
This fault code concerns the intake air temperature sensor at the inlet. It is set when its signal is too low or too high. The cause can be an open circuit, a short circuit or poor contact in the signal wire, or a damaged sensor.
Mögliche Ursachen
- Open circuit in the signal wire
- Signal wire shorted to voltage
- Damaged air temperature sensor at the inlet
- Loose connection, contact resistance or oxidation in the connections
- Signal wire shorted to ground
Was Sie tun können
- 1Check the connections at the inlet air temperature sensor for contact resistance, looseness and oxidation
- 2Use a multimeter to check that the signal wire has no open circuit or short to ground
- 3Use a multimeter to check that the signal wire has no voltage with the ignition off
- 4If you have a diagnostic tool: read the signal from the air temperature sensor in the intake pipe and check that the value is reasonable
- 5Have a workshop check the sensor if the wiring is in order
Symptome, die Sie bemerken können1
- Check engine lamp (MIL) lights up
Allgemeine Hinweise für Fahrzeughalter. Die Diagnose am Fahrzeug kann eine andere Ursache zeigen.