O2 Sensor Inspection
WARNING: This page is about a different car, the 2023 Kia Seltos. However, it is still accessible from the selected car via links, so may be relevant.
HO2S (Bank 1, Sensor 1) Inspection
| Inspection Condition | (+) Probe | (-) Probe | Reference | ||
|---|---|---|---|---|---|
| Connector | Terminal | Connector | Terminal | ||
|
HO2S (Bank1, Sensor2) connector | 3 (pumping line) | HO2S (Bank1, Sensor2) connector | 2 (nernst voltage) | Fig.1 |
| HO2S (Bank1, Sensor2) connector | 1 (virtual ground) | HO2S (Bank1, Sensor2) connector | 2 (ground) | ||
HO2S (Bank 1, Sensor 2) Inspection
| Inspection Condition | (+) Probe | (-) Probe | Reference | ||
|---|---|---|---|---|---|
| Connector | Terminal | Connector | Terminal | ||
| Engine "ON" | HO2S (Bank1, Sensor2) connector | 1 (signal) |
HO2S (Bank1, Sensor2) connector | 2 (ground) | Fig. 2 |
Good
- Go to "VERIFICATION OF REPAIR " procedure.
No Good
- Carefully re-do this troubleshooting guide steps.
- If no problems were found with the circuits or connectors, replace the HO2S (Bank1, Sensor2) or HO2S (Bank 1, Sensor 1) and go to "VERIFICATION OF REPAIR " procedure.