VOLVO
ECM-0426 - Front temperature sensor, catalytic converter. Faulty signal
Układ
Sterownik silnika (ECM)
Modele Volvo, których dotyczy ten kod błędu
Dotyczy następujących modeli:
4 modeleC30 (2007–2013), C70 (2006–2013), S40 (2004–2013), V50 (2004–2013)
Pokaż modele wg rocznika i silnika (10)
- Volvo C30 (2007–2013)2007Tylko silnik: D4204T
- Volvo C30 (2007–2013)2008–2010Tylko silnik: D4204T · Tylko skrzynia biegów: MMT6, MPS6
- Volvo C70 (2006–2013)2008Tylko silnik: D4204T
- Volvo C70 (2006–2013)2009–2010Tylko silnik: D4204T · Tylko skrzynia biegów: MMT6, MPS6
- Volvo S40 (2004–2013)2005–2006Tylko silnik: D4204T, D4204T2
- Volvo S40 (2004–2013)2007Tylko silnik: D4204T
- Volvo S40 (2004–2013)2008–2010Tylko silnik: D4204T · Tylko skrzynia biegów: MMT6, MPS6
- Volvo V50 (2004–2013)2005–2006Tylko silnik: D4204T, D4204T2
- Volvo V50 (2004–2013)2007Tylko silnik: D4204T
- Volvo V50 (2004–2013)2008–2010Tylko silnik: D4204T · Tylko skrzynia biegów: MMT6, MPS6
Co oznacza ten kod błędu?
The engine control module (ECM) continuously compares the signal from the front temperature sensor in the catalytic converter with a calculated value. If they do not match, the fault is set, and the check is made when the ignition is switched on. The causes are poor contact in the connections, an open or shorted wiring fault to the sensor, or a damaged temperature sensor.
Możliwe przyczyny
- Poor contact, contact resistance or oxidation at the sensor terminals
- Open circuit or short circuit in the wiring to the temperature sensor
- Damaged temperature sensor
Co możesz zrobić
- 1Switch off the ignition and check the connector to the front temperature sensor in the converter for looseness, contact resistance and oxidation
- 2Look for damage on the sensor wiring, especially where it runs close to the exhaust pipe and may have chafed
- 3Use a multimeter to check that the signal wire to the sensor has no open circuit or short circuit
- 4Also use a multimeter to check that the supply wire to the sensor has no open circuit or short circuit
- 5If you have a diagnostic tool, compare the front sensor temperature with the rear one in live data after a drive and check that they rise at about the same time
- 6If the fault remains, have a workshop with diagnostic equipment check and, if needed, replace the temperature sensor
Objawy, które możesz zauważyć1
- The check engine lamp lights or behaves abnormally
Ogólne wskazówki dla właścicieli. Diagnostyka na samochodzie może wskazać inną przyczynę.