Component Testing
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.
- Ignition OFF, disconnect the harness connector of the appropriate HO2S.
- Test the HO2S heater element for 3-35 Ω.
- If not within the specified range, replace the HO2S.