HO2S Heater Monitor
DTC Description / Detecting Condition / Confirmation Procedure
P0135 Refer to [DTC P0135: Oxygen Sensor 1 (O2S1) Heater Circuit Not Functioning].
P0141 Refer to [DTC P0141: Oxygen Sensor 2 (O2S2) Heater Circuit Not Functioning].
Front O2 Heater Circuit Not functioning Monitor
Post O2 sensor Heater Monitor