#
HO2S HEATER CONTROL OUTLINE [AJ]

BME014000000T71

## HO2S (Front) Heater

• PCM controls HO2S (Front) heaters by duty signal that is calculated based on engine condition.

### Block diagram

1 | MAF sensor
2 | IAT sensor
3 | CKP sensor
4 | ECT sensor
5 | TP sensor
6 | Battery
7 | PCM
8 | HO2S (Front) heater

## HO2S (Rear) Heater (European (L.H.D.) Specs.)

• PCM turns HO2S (Rear) heater ON when exhaust gas temperature is low.

### Block diagram

1 | MAF sensor
2 | CKP sensor
3 | ECT sensor
4 | PCM
5 | HO2S (rear) heater