OBD System Description - A/F Sensor Heater and HO2S Heater Monitor (EVAP Leak Check Model)

OBD System Description - A/F Sensor Heater and HO2S Heater Monitor (EVAP Leak Check Model)

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 DTC P0031 / P0032. P0031

P0037, P0038
Refer to DTC P0037 / P0038. P0037

A/F Sensor Heater Monitor
















HO2S Heater Monitor
















MODE $06 Data