| Main Action |
- Electrical check - check symptoms related to Lambda sensor open circuit
|
- Poor connection or damaged harness
- Open in HO2S control circuit
- Front HO2S
|
| Prerequisite Condition |
- Upstream O2 sensor operative readiness is detected.
- Battery voltage is between 11V and 16V
|
| Threshold value |
- Reference virtual ground(Vg) circuit is open
- Pump voltage(Vip) is 1.2V greater than Vg and Nernst voltage(Vn) is 1.2V greater than Vg
- Pump voltage(Vip) is 1.2V lower than or equal to Vg and Nernst voltage(Vn) is 1.2V lower than or equal to Vg
|
| Diagnostic Time |
|
| MIL ON Condition |
|