Component Testing
WARNING: This page is about a different car, the 2009 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
- Ignition OFF, disconnect the harness connector at the heated oxygen sensor (HO2S) sensor.
- Test for 4-14 Ω between the ignition voltage circuit terminal 4 and the control circuit terminal 3.
- If not within the specified range, replace the HO2S.