DTC Description
DTC DETECTION LOGIC
To judge malfunctions, the diagnosis checks that the A/F signal computed by ECM from the A/F sensor 1 signal fluctuates according to fuel feedback control.
| DTC No. | Trouble diagnosis name (Trouble diagnosis content) |
DTC detecting condition | Possible Cause | |
|---|---|---|---|---|
| P2252 | O2 sensor bank 1 sensor 1 O2 sensor negative current control circuit low bank 1 sensor 1 |
A) | The A/F signal computed by ECM from the A/F sensor 1 signal is constantly in a range other than approx. 2.2 V. |
|
| B) | The A/F signal computed by ECM from the A/F sensor 1 signal is constantly approx. 2.2 V. | |||