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Home › Chevrolet › 2002 › Cavalier Base, 2D Coupe, Standard › Repair and Diagnosis › Engine Performance › System › Engine Controls Self-Diagnostics - 2.2L › Inspection/Maintenance Procedures › Inspection/Maintenance Heated Oxygen Sensor Heater System Set Procedure › Conditions For Running Test

Conditions For Running Test

ECT is less than 113°F (45°C).
IAT is less than 113°F (45°C).
Difference between ECT and IAT is less than 13°F (7°C).
Battery voltage is 11.6-16.0 volts.