Circuit Description
Three-Way Catalyst (TWC) system is used to control emission. PCM uses signal from Heated Oxygen Sensors (HO2S) to read efficiency of TWC. DTC will set if TWC oxygen storage capacity is less than a predetermined threshold.
Three-Way Catalyst (TWC) system is used to control emission. PCM uses signal from Heated Oxygen Sensors (HO2S) to read efficiency of TWC. DTC will set if TWC oxygen storage capacity is less than a predetermined threshold.