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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: HO2S Heater Control Circuit Low / High (Sensor-1, Bank-1). P0031

P0037, P0038
Refer to DTC P0037 / P0038: HO2S Heater Control Circuit Low / High (Sensor-2, Bank-1). P0037

A/F Sensor Heater Monitor

Operation:




Enable Conditions:




Typical Malfunction Thresholds:





HO2S Heater Monitor

Operation:




Enable Conditions:




Typical Malfunction Thresholds:





MODE $06 Data

Mode $06 Data:




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