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 P31F9 or P31FA is displayed with DTC P0A1D, first perform the trouble diagnosis for DTC P0A1D. Refer to
"DTC LOGIC ".
DTC DETECTION LOGIC - WITHOUT ICC MODELS
| DTC No. | Trouble diagnosis name (Trouble diagnosis content) | DTC detecting condition | Possible cause |
|---|---|---|---|
| P31F9 | ASCD SWITCH (ASCD steering switch) |
When the input signal system from ASCD steering switch is abnormal |
|
| P31FA | ASCD SWITCH (ASCD steering switch) |
DTC DETECTION LOGIC - WITH ICC MODELS
| DTC No. | Trouble diagnosis name (Trouble diagnosis content) | DTC detecting condition | Possible cause |
|---|---|---|---|
| P31F9 | ASCD SWITCH (ICC steering switch) |
When the input signal system from ICC steering switch is abnormal |
|
| P31FA | ASCD SWITCH (ICC steering switch) |