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Home >> Toyota >> 2005 >> Matrix Base, FWD, Automatic >> Repair and Diagnosis (Single Page) >> Engine Performance >> Engine Control System (SFI) (1ZZ-FE (Fwd)) - Diagnostics >> SFI System (1ZZ-FE (Ff)) >> DTC P0031, P0032: Oxygen (A/F) Sensor Heater Control Circuit Low/High (Bank 1 Sensor 1) >> Typical Enabling Conditions
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Typical Enabling Conditions

P0031: 

TYPICAL ENABLING CONDITIONS (DTC P0031)

Monitor runs whenever following DTCs not present See SFI SYSTEM (1ZZ-FE (FF))  6
Battery voltage 10.5V or more
A/F sensor heater duty-cycle ratio 50 % or more
Time after engine start 10 seconds or more

P0032: 

TYPICAL ENABLING CONDITIONS (DTC P0032)

Monitor runs whenever following DTCs not present See LIST OF DISABLE A MONITOR 
Time after engine start 10 seconds or more