18. A/T Does Not Shift: 33 --> 22, When Selector Lever 3 --> 2 Position

WARNING: This page is about a different car, the 2003 Nissan Altima. However, it is still accessible from the selected car via links, so may be relevant.

SYMPTOM:

A/T does not shift from 3 ₃ to 2 ₂ when changing selector lever from 3 to 2 position.

CHECK PARK/NEUTRAL POSITION (PNP) SWITCH CIRCUIT
With CONSULT-II

Does "TCM INPUT SIGNALS" in "DATA MONITOR" show damage to park/neutral position (PNP) switch circuit?

Without CONSULT-II

Does self-diagnosis show damage to park/neutral position (PNP) switch circuit?

Yes or No
1. Yes: Check park/neutral position (PNP) switch circuit. Refer to "DTC P0705 PARK/NEUTRAL POSITION SWITCH ".
2. No: Go to "9. A/T DOES NOT SHIFT: D1 --> D2 OR DOES NOT KICKDOWN: D4 --> D2 "
Fig 1: Park/Neutral Position (PNP) Switch Circuit Graph
Courtesy of NISSAN MOTOR CO., U.S.A.