Conditions for Running the DTC (without LLT)
WARNING: This page is about a different car, the 2009 Pontiac Torrent and 2009 Chevrolet Equinox. However, it is still accessible from the selected car via links, so may be relevant.
Condition 1
- DTC P0201, P0202, P0203, P0204, P0205, P0206, P0261, P0262, P0264, P0265, P0267, P0268, P0270, P0271, P0273, P0274, P0276, or P0277 is not set.
- The engine speed is greater than 25 RPM.
- The ignition voltage is greater than 10 volts.
- The HO2S 1 heater duty cycle is greater than 70 percent for greater than 8 seconds.
- The DTCs run continuously when the conditions above exist for greater than 5 seconds.
Condition 2
- Before the ECM can report that DTC P0130 or P0150 failed, DTCs P0030, P0031, P0032, P0050, P0051, P0052, P0133, P0135, P0153, and P0155 must run and pass.
- DTC P0030, P0031, P0032, P0050, P0051, P0052, P0133, P0135, P0153, P0155, P0201, P0202, P0203, P0204, P0205, P0206, P0261, P0262, P0264, P0265, P0267, P0268, P0270, P0271, P0273, P0274, P0276, or P0277 is not set.
- The engine speed is greater than 25 RPM.
- The ignition voltage is greater than 10 volts.
- The air flow into the engine has exceeded 220 grams.
- The calculated exhaust gas temperature is greater than 600°C (1,112°F).
- The HO2S 1 heater duty cycle is greater than 70 percent.
- The HO2S 2 is at operating temperature.
- The DTCs run continuously when the conditions above exist for greater than 5 seconds.
Condition 3
- Before the ECM can report that DTC P0130 or P0150 failed, DTCs P0030, P0031, P0032, P0050, P0051, P0052, P0133, P0135, P0153, and P0155 must run and pass.
- DTC P0030, P0031, P0032, P0050, P0051, P0052, P0133, P0135, P0153, P0155, P0201, P0202, P0203, P0204, P0205, P0206, P0261, P0262, P0264, P0265, P0267, P0268, P0270, P0271, P0273, P0274, P0276, or P0277 is not set.
- The engine speed is greater than 25 RPM.
- The ignition voltage is greater than 10 volts.
- The air flow into the engine has exceeded 220 grams.
- The HO2S 2 is at operating temperature.
- The HO2S 1 heater duty cycle is greater than 68 percent.
OR
- The calculated exhaust gas temperature is greater than 600°C (1,112°F).
- The DTCs run continuously when the conditions above exist for greater than 5 seconds.