19. A/T Does Not Shift: 22 --> 11, When Selector Lever 2 --> 1 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 2 ₂ to 1 ₁ when changing selector lever from 2 to 1 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 2.
Fig 1: Checking Park/Neutral Position (PNP) Switch Circuit Without Consult II (A/T Does Not Shift: 22 --> 1₁ , When Selector Lever 2 --> 1 Position)
Courtesy of NISSAN MOTOR CO., U.S.A.
CHECK SYMPTOM
Check again.

OK or NG
1. OK: INSPECTION END
2. NG: GO TO 3.
Fig 2: Shifting Selector Lever From 22 --> 1₁ Position
Courtesy of NISSAN MOTOR CO., U.S.A.
CHECK TCM INSPECTION
1. Perform TCM input/output signal inspection.
2. If NG, recheck TCM pin terminals for damage or loose connection with harness connector.
OK or NG
1. OK: INSPECTION END
2. NG: Repair or replace damaged parts.