On Board Diagnosis Logic: Notes
These self-diagnoses have the one trip detection logic .
NOTE:
If DTC P0122 or P0123 is displayed with DTC P0643, first perform the trouble diagnosis for DTC P0643. Refer to
DTC P0643 SENSOR POWER SUPPLY
.
DTC DETECTING CONDITION CHART
| DTC No. | Trouble diagnosis name | DTC detecting condition | Possible cause |
|---|---|---|---|
| P0122 0122 |
Throttle position sensor 2 circuit low input | An excessively low voltage from the TP sensor 2 is sent to ECM. |
|
| P0123 0123 |
Throttle position sensor 2 circuit high input | An excessively high voltage from the TP sensor 2 is sent to ECM. |