DTC Detection Logic
WARNING: This page is about a different car, the 2012 Infiniti M35h. 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 P3157, first perform the trouble diagnosis for DTC P3157. Refer to
"DTC LOGIC ".
| DTC No. | 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 APP sensor 1 is sent to HPCM. |
(APP sensor 1) |
| P2123 | APP SENSOR D (Accelerator pedal position sensor 1 circuit high input) | An excessively high voltage from the APP sensor 1 is sent to HPCM. |