Check Key Switch

With CONSULT-II 

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

1. Key is inserted in ignition key cylinder: IGN KEY SW ON 
2. Key is removed from ignition key cylinder: IGN KEY SW OFF 

Fig 1: DATA MONITOR - CONSULT II Display

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

Without CONSULT-II 

Check voltage between BCM connector and ground.

Fig 2: Connector Terminals Reference Chart

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

Fig 3: Checking Voltage Between BCM Connector And Ground

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

OK or NG 

1. OK: Key switch is OK.
2. NG: GO TO 2.

1. Disconnect key switch connector.
2. Check continuity between BCM connector M4 terminal 69 and key switch connector M64 terminal 4.
   1. 69 (PU/W) - 4 (PU/W): Continuity should exist. 
3. Check continuity between BCM connector M4 terminal 69 and ground.
   1. 69 (PU/W) - Ground: Continuity should not exist. 

OK or NG 

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

Fig 4: Checking Key Switch Circuit

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

Check continuity between key switch terminals 3 and 4.

Fig 5: Connector Terminals Reference Chart

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

Fig 6: Checking Continuity Between Key Switch Terminals 3 And 4

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

OK or NG 

1. OK: Check the following.
   • 10A fuse [No. 32, located in fuse block (J/B) No. 2]
   • Harness for open or short between key switch and fuse
2. NG: Replace key switch.