On Board Diagnosis Logic
To judge the malfunction, the A/F signal computed by ECM from the A/F sensor 1 signal is monitored so it will shift to LEAN side or RICH side.
DTC DETECTING CONDITION AND POSSIBLE CAUSE
| DTC No. | Trouble diagnosis name | DTC detecting condition | Possible Cause |
|---|---|---|---|
| P2A00 2A00 (Bank 1) |
Air fuel ratio (A/F) sensor 1 circuit range/performance |
|
|
| P2A03 2A03 (Bank 2) |