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 | CONSULT screen terms (Trouble diagnosis content) | DTC detection condition | |
| P2252 | O2 sensor bank 1 sensor 1 (O2 sensor negative current control circuit low bank 1 sensor 1) | Diagnosis condition | - |
| Signal (terminal) | The A/F signal computed by ECM | ||
| Threshold | The output voltage computed by ECM according to the A/F sensor 1 signal is constant. | ||
| Diagnosis delay time | - | ||
POSSIBLE CAUSE
- Harness or connectors (The A/F sensor 1 circuit is open or shorted.)
- A/F sensor 1
FAIL-SAFE
Not applicable