A/T Does Not Shift: 22 -> 11, When Selector Lever "2" -> "1" Position

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

SYMPTOM:

A/T does not shift from 2 ₂ to 1 ₁ , when changing selector lever from "2" to "1" position.

CHECK PNP SWITCH CIRCUIT
With CONSULT-II

Does "TCM INPUT SIGNALS" in Data Monitor show damage to PNP switch circuit?

Without CONSULT-II

Does self-diagnosis show damage to PNP switch circuit?

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

Yes or No
1. Yes: Check PNP switch circuit. Refer to "DTC P0705 ".
2. No: GO TO 2.
CHECK SYMPTOM
Check again.

Fig 2: Pushing Gear Selector To 1 Position
Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG
1. OK: INSPECTION END
2. NG:
  1. Perform TCM input/output signal inspection.
  2. If NG, recheck TCM pin terminals for damage or loose connection with harness connector.