Typical Scan Tool Data
WARNING: This page is about a different car, the 2008 Pontiac G5 and 2008 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.
HO2S Sensor 1 Voltage
| Circuit |
Normal Range |
Short to Ground |
Open |
Short to Voltage |
| HO2S High Signal |
200-800 mV |
0 mV |
Approximately 470 mV |
Approximately 1,100 mV |
| HO2S Low Signal |
200-800 mV |
455 mV |
Approximately 450 mV |
Approximately 445 mV |