Key Switch Insert Signal Inspection

With CONSULT-II

• Check key switch "IGN KEY SW" in "DATA MONITOR" mode with CONSULT-II.
  1. "IGN KEY SW" 
  2. When key is inserted to ignition key cylinder: ON 
  3. When key is removed to ignition key cylinder: OFF 
  Fig 1: Displaying Consult II Data Monitor

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

Without CONSULT-II

1. Disconnect BCM connector.
2. Check voltage between BCM harness connector M4 terminal 69 (PU/W) and ground.
   1. 69 (PU/W) - Ground 
   2. When key is inserted to ignition key cylinder: Approx. 12 V 
   3. When key is removed to ignition key cylinder: Approx. 0 V 
   Fig 2: Displaying Consult II BCM Connector

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

OK or NG 

1. OK: Key switch insert signal is OK. Return to "SWITCH MONITOR ITEM ".
2. NG: GO TO 2.

1. Remove key from the ignition key cylinder.
2. Disconnect key switch and key lock solenoid (key switch) connector.
3. Check continuity between BCM harness connector M4 terminal 69 (PU/W) and key switch and key lock solenoid (key switch) harness connector M64 terminal 4 (PU/W).
   1. 69 (PU/W) - 4 (PU/W): Continuity should exist. 

OK or NG 

1. OK: GO TO 3.
2. NG: Repair harness or connector.

Fig 3: Removing Key From Ignition Key Cylinder

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

Check continuity between key switch and key lock solenoid (key switch) connector M64 terminals 3 and 4.

1. 3-4 
2. When key is inserted to ignition key cylinder: Continuity should exist. 
3. When key is removed to ignition key cylinder: Continuity should not exist. 

OK or NG 

1. OK: Check harness between fuse and key switch.
2. NG: Replace key switch and key lock solenoid (key switch).

Fig 4: Checking Resistance For Key Switch Connector

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