On Board Diagnosis Logic
WARNING: This page is about a different car, the 2004 Nissan Quest. However, it is still accessible from the selected car via links, so may be relevant.
- This is an OBD-II self-diagnostic item.
- Diagnostic trouble code "A/T 1ST GR FNCTN" with CONSULT-II or P0731 without CONSULT-II is detected when A/T cannot be shifted to the 1st gear position even if electrical circuit is good.