HEATED OXYGEN SENSOR (HO2S) HEATER CONTROL BLOCK DIAGRAM


BHE014000140T40

• The PCM determines the engine conditions based on input signals and sends an operation signal to the front or rear HO2S.

1
ECT sensor
2
IAT sensor
3
MAF sensor
4
BARO sensor
5
Eccentric shaft position sensor
6
Battery
7
Ignition switch
8
PCM
9
Front HO2S heater
10
Rear HO2S heater