DTC Parameters

WARNING: This page is about a different car, the 2002 Saturn LW200, 2002 Saturn L200, and 2002 Saturn L100. However, it is still accessible from the selected car via links, so may be relevant.

Engine run time is more than 60 seconds.
ECT is more than 158°F (70°C).
Ignition voltage is more than 10 volts.
Airflow is less than 25 g/s (M/T) or 40 g/s (A/T).
Fuel level is more than 10 percent.
No CKP, ECT, EVAP, fuel injector, fuel tank pressure, fuel trim, IAT, idle speed, MAP, misfire, PCM internal fault or TP sensor DTCs are set.

DTC sets when HO2S2 heater current is less than 0.2 amp or greater than 1.5 amp.