4. Check Ignition Knob Switch Circuit

1. Disconnect Intelligent Key unit connector.
2. Check continuity between Intelligent Key unit connector M34 terminal 27 (L/W) and key switch and ignition knob switch connector M22 terminal 2 (L/W).
   1. 27 (L/W) - 2 (L/W) : Continuity should exist. 
3. Check continuity between key switch and ignition knob switch connector terminal 2 (L/W) and ground.
   1. 2 (L/W) - Ground : Continuity should not exist. 

Fig 1: Check Continuity Between Intelligent Key Unit Connector M34 Terminal 27 And Key Switch And Ignition Knob Switch Connector M22 Terminal 2

Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG

OK : Replace Intelligent Key unit.

NG : Repair or replace harness between Intelligent Key unit and key switch and ignition knob switch.