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 P31F7, P31F8, P31FB, P31FC or P31FD is displayed with DTC UXXXX, first perform the trouble diagnosis for DTC UXXXX. Refer to
"DTC INDEX ".
| DTC No. | Trouble diagnosis name (Trouble diagnosis content) | DTC detecting condition | Possible cause |
|---|---|---|---|
| P31F7 | HPCM (Output shaft request torque un-match) |
HPCM calculation function is malfunctioning. | HPCM |
| P31F8 | HPCM (ASCD cruise request unmatch) |
||
| P31FB | ASCD SYSTEM (ASCD commission) |
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| P31FC | ASCD SYSTEM (ASCD RAM) |
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| P31FD | ASCD SYSTEM (ASCD alignment) |