General Information

Component Location





General Description

HO2S (B1/S2) is in the rear side of Catalytic Converter to check the proper operation of catalyst. Oxygen density after the catalytic converter has to be within specific range (around 0.5V when there is no acceleration and deceleration.)
If the oxygen density changes in accordance with HO2S (B1/S1), it means the poor performance of catalytic converter.

DTC Description

If the counter that records rapid signal voltage changes is greater than 5, P2232 is set

DTC Detecting Condition





** xushk : Sum of the signal voltage change value (B1S2)
** B1S1 : upstream oxygen sensor / B1S2 : downstream oxygen sensor

Specification





Schematic Diagram





Signal Waveform