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 content |
DTC detecting condition |
Possible Cause |
|
P2252 |
O2 Sensor Negative Current Control Circuit Low Bank 1 Sensor 1 |
The output voltage computed by ECM according to the A/F sensor 1 signal is constant. |
|