Symptom:

WARNING: This page is about a different car, the 2002 Nissan Sentra. However, it is still accessible from the selected car via links, so may be relevant.

A/T does not shift from D4 to D3 when changing overdrive control switch to OFF position .

CHECK OVERDRIVE CONTROL SWITCH CIRCUIT
With CONSULT-II

Does TCM INPUT SIGNALS in DATA MONITOR show damage to overdrive control switch circuit?

Without CONSULT-II

Does self-diagnosis show damage to overdrive control switch circuit?

Fig 1: Checking Overdrive Control Switch Circuit
Courtesy of NISSAN MOTOR CO., U.S.A.

Yes or No
1. Yes: Check overdrive control switch circuit. Refer to OVERDRIVE CONTROL SWITCH .
2. No: Go to 10. A/T DOES NOT SHIFT: D2 --> D3 .