1. Check Key Switch Input Signal

With CONSULT-II 

Check ignition key switch "KEY ON SW" in "DATA MONITOR" mode with CONSULT-II.

• When key is inserted in ignition key cylinder
  1. KEY ON SW : ON 
• When key is removed from ignition key cylinder
  1. KEY ON SW : OFF 
     Fig 1: Check Ignition Key Switch

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

Without CONSULT-II 

Check voltage between BCM connector M3 terminal 37 (B/W) and ground.

Fig 2: Voltage Specification Table

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

Fig 3: Checking Voltage Between BCM Connector M3 Terminal 37 (B/W) And Ground

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

OK or NG

OK : Key switch circuit is OK.

NG : GO TO 2.