1. Check Before Engine Is Started

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.

CHECK 4WD SHIFT INDICATOR LAMP
1. Park vehicle on flat surface.
2. Turn ignition switch to "OFF" position.
3. Move A/T selector lever to "P" position.
4. Set 4WD shift switch to "4H" position.
  
  Fig 1: Moving A/T Selector Lever To P Position
  Courtesy of NISSAN MOTOR CO., U.S.A.
5. Set 4WD shift switch to "2WD" position.
6. Turn ignition switch to "ON" position. (Do not start engine.)
7. Does 4WD shift indicator lamp turn ON for approx. 1 second?
  
  Fig 2: Identifying 4WD Shift Indicator Lamp Display
  Courtesy of NISSAN MOTOR CO., U.S.A.
Yes or No
1. Yes: GO TO 2.
2. No: Go to Symptom 1. Refer to TROUBLE DIAGNOSES FOR SYMPTOMS .
CHECK 4WD WARNING LAMP
Is 4WD warning lamp turned ON?

Fig 3: Identifying 4WD Warning Lamp Display
Courtesy of NISSAN MOTOR CO., U.S.A.

Yes or No
1. Yes:
  1. Turn ignition switch to "OFF" position.
  2. Perform self-diagnosis.
    Refer to "TROUBLE DIAGNOSIS WITHOUT CONSULT-II ".
  3. Go to "2. CHECK AT IDLE ".
2. No: Go to Symptom 2. Refer to SYMPTOM 2. 4WD WARNING LAMP DOES NOT TURN ON .