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. | CONSULT screen terms (Trouble diagnosis content) |
DTC detecting condition | Possible cause | |
|---|---|---|---|---|
| P0130 | A/F SENSOR1 (B1) (O2 sensor circuit 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. | |||
| P0150 | A/F SENSOR1 (B2) (O2 sensor circuit bank 2 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. | |||