On Board Diagnosis Logic
WARNING: This page is about a different car, the 2004 Nissan Maxima. 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 4TH GR FNCTN" with Consult-II or P0734 without Consult-II is detected when A/T cannot be shifted to the 4th gear position even if electrical circuit is good.