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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 P0037, P0038: Oxygen Sensor Heater Control Circuit Low/High (Bank 1 Sensor 2) >> Typical Enabling Conditions
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Typical Enabling Conditions

P0037: 

TYPICAL ENABLING CONDITIONS (DTC P0037)

Monitor runs whenever following DTCs not present None
Either of following conditions A or B met: -
Conditions A -
Time after engine start Less than 500 seconds
Vehicle speed Below 55.9 mph (90 km/h)
Battery voltage 10.5V or more
Pass or Fail detection in this driving cycle None
Conditions B -
Time after engine start 500 seconds or more
Vehicle speed 24.8 mph (40 km/h) or more
Battery voltage 10.5V or more
Pass or Fail detection in this driving cycle None

P0038: 

TYPICAL ENABLING CONDITIONS (DTC P0038)

Monitor runs whenever following DTCs not present None