Oxygen Sensor
HEATER ELEMENT RESISTANCEHot to warm 5.0-30.0 ohms
Room temperature 2.0-5.0 ohms
HO2S SWITCHING
HO2S signal 0.3-0.9 volts within 3 seconds
After driving 55 mph for 5 minutes.
Testing procedures may be found under System Testing / Pinpoint tests. H - Fuel Control