OBD System Description - A/F Sensor Heater and HO2S Heater Monitor

OBD System Description - A/F Sensor Heater and HO2S Heater Monitor

System Description / Monitoring Procedure

For both A/F sensor and HO2S heaters, the system monitors proper current and loaded voltage.

DTC Description / Detecting / Confirmation Procedure

P0031, P0032

Refer to P0031 DTC P0031 / P0032.

P0037, P0038, P0054

Refer to P0037 DTC P0037 / P0038 / P0054.

A/F Sensor Heater Monitor

Operation





Enabled conditions





Typical malfunction thresholds






HO2S Heater Monitor

Operation











Enabled conditions





Typical malfunction thresholds






MODE $06 Data