VOLVO
ECM-P115700 - Lack Of HO2S22 Switches - Sensor Indicates Lean. General Failure Information. No sub type information
System
Motorstyring (ECM)
Volvo-modeller feilkoden gjelder for
Gjelder følgende modeller:
4 modellerS80 (2007–), V70 (2008–), XC70 (2008–), XC90 (2003–)
Vis modeller per årsmodell og motor (7)
Hva betyr feilkoden?
The ECM follows the voltage from the rear oxygen sensor on bank 2, the cylinder row at the rear nearest the passenger compartment, which has cylinders 2, 4, 6 and 8. The code is set when the sensor wrongly reads lean, or when the voltage falls outside the range the ECM accepts.
Mulige årsaker
- Contact resistance and oxidation in the connections
- Signal wire shorted to ground
- Break in the signal wire
- Damaged rear oxygen sensor
Hva du kan gjøre
- 1If you have a diagnostic tool: read the fault status after the engine has idled for a while. Malfunction found means the fault is present now
- 2Do not use rust solvent spray or grease in the oxygen sensor connector
- 3Check the connector of the rear oxygen sensor on bank 2 for contact resistance and oxidation
- 4Inspect the signal wire for chafing, and use a multimeter to check that it is not broken or touching ground
- 5If the fault remains after these checks: have a workshop replace the rear oxygen sensor
Symptomer du kan merke1
- Malfunction indicator (MIL) lamp is lit
Hva feilen kan påvirke1
- Control of the rear oxygen sensor on bank 2 is switched off
Generell veiledning for bileiere. Feilsøking på bilen kan peke på en annen årsak.