DTC Detection Logic
WARNING: This page is about a different car, the 2011 Nissan Leaf. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
If DTC P2122 or P2123 is displayed with DTC P0643, first perform the trouble diagnosis for DTC P0643. Refer to
"DTC LOGIC ".
DTC DETECTING CONDITION AND POSSIBLE CAUSES
| DTC | Trouble diagnosis name (Trouble diagnosis content) | DTC detecting condition | Possible cause |
|---|---|---|---|
| P2122 | APP SENSOR D (Accelerator pedal position sensor 1 circuit low input) | An excessively low voltage from the accelerator pedal position sensor 1 is sent to VCM. |
|
| P2123 | APP SENSOR D (Accelerator pedal position sensor 1 circuit high input) | An excessively high voltage from the accelerator pedal position sensor 1 is sent to VCM. |