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.

Engine cannot be started with selector lever in P or N position.
Engine can be started with selector lever in D, 2, 1 or R 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?

Fig 1: Checking Park/Neutral Position Switch Circuit
Courtesy of NISSAN MOTOR CO., U.S.A.

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.
CHECK PARK/NEUTRAL POSITION (PNP) SWITCH
Check for short or open of park/neutral position (PNP) switch harness connector terminals 1 and 2. Refer to WIRING DIAGRAM - AT - PNP/SW .

OK or NG
1. OK: GO TO 3.
2. NG: Repair or replace park/neutral position (PNP) switch.
CHECK STARTING SYSTEM
Check starting system. Refer to STARTING SYSTEM .

OK or NG
1. OK: INSPECTION END
2. NG: Repair or replace damaged parts.