DTC Detection Logic
NOTE:
If DTC P0122 or P0123 is displayed with DTC P0643, perform the trouble diagnosis for DTC P0643. Refer to DTC LOGIC .
| DTC No. | Trouble diagnosis name (Trouble diagnosis content) |
DTC detecting condition | Possible cause |
|---|---|---|---|
| P0122 | TP SEN 2/CIRC-B1 (Throttle position sensor 2 circuit low input) |
An excessively low voltage from the TP sensor 2 is sent to ECM. |
|
| P0123 | TP SEN 2/CIRC-B1 (Throttle position sensor 2 circuit high input) |
An excessively high voltage from the TP sensor 2 is sent to ECM. |