DTC Description / Detecting / Confirmation Procedure
P0031, P0032
Refer to DTC P0031 / P0032: HO2S HEATER CONTROL CIRCUIT LOW / HIGH (SENSOR-1, BANK-1) .
P0037, P0038
Refer to DTC P0037 / P0038: HO2S HEATER CONTROL CIRCUIT LOW / HIGH (SENSOR-2, BANK-1) .