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Home >> Toyota >> 2005 >> Matrix Base, FWD, Automatic >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 2 (Engine Control System (SFI) (1ZZ-FE(4WD)) - Diagnostics) >> SFI System (1ZZ-FE (4WD)) >> DTC P0031, P0032, P0037, P0038: Oxygen Sensor Heater Control Circuit Low/High (Bank 1 Sensor 1 & 2) >> Typical Enabling Conditions
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Typical Enabling Conditions

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P0031 and P0037: 

TYPICAL ENABLING CONDITIONS CHART (P0031 AND P0037)

Monitor runs whenever following DTCs not present See LIST OF DISABLE A MONITOR 
Either of following conditions A or B met: -
Conditions A  -
Time after engine start 250 to 500 seconds
Vehicle speed Below 60 mph (90 km/h)
Battery voltage 10.5 V or more
Pass or Fail detection in this driving cycle None
Conditions B  -
Time after engine start 500 seconds or more
Vehicle speed 25 mph (40 km/h) or more
Battery voltage 10.5 V or more
Pass or Fail detection in this driving cycle None

P0032 and P0038: 

TYPICAL ENABLING CONDITIONS CHART (P0032 AND P0038)

Monitor runs whenever following DTCs not present See LIST OF DISABLE A MONITOR