On Board Diagnosis Logic
WARNING: This page is about a different car, the 2007 Nissan Pathfinder. However, it is still accessible from the selected car via links, so may be relevant.
- This is not an OBD-II self-diagnostic item.
- Diagnostic trouble code "P1841 ATF PRES SW 1/CIRC" with CONSULT-II is detected when TCM detects that actual gear ratio is normal, and relation between gear position and condition of ATF pressure switch 1 is irregular during depressing accelerator pedal. (Other than during shift change)