Check Key Switch

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.

OK or NG
1. OK: Key switch is OK.
2. NG: GO TO 2.
Fig 3: Checking Voltage Between BCM Connector And Ground
Courtesy of NISSAN MOTOR CO., U.S.A.
CHECK KEY SWITCH CIRCUIT
1. Disconnect BCM connector and key switch connectors.
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 KEY SWITCH
Check continuity between key switch terminals 3 and 4.

Fig 5: Connector Terminals Reference Chart
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.
  
  Fig 6: Checking Continuity Between Key Switch Terminals 3 And 4
  Courtesy of NISSAN MOTOR CO., U.S.A.