Home >> Lexus >> 2005 >> ES 330 >> Repair and Diagnosis >> Engine Performance >> System >> SFI System - Diagnostics >> DTC P0031, P0032, P0051, P0052: Oxygen (A/F) Sensor Heater Control Circuit Low/High (Bank 1 Sensor 1), Oxygen (A/F) Sensor Heater Control Circuit Low/High (Bank 2 Sensor 1) >> Component Operating Range