Key Switch (Insert) Check (Column Shift)

With CONSULT-II

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

• When key is inserted to ignition key cylinder:

  KEY ON SW : ON 

• When key is removed from ignition key cylinder:

  KEY ON SW : OFF 

  Fig 1: Checking Key Switch With CONSULT-II (Column Shift)

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

Without CONSULT-II

Check voltage between BCM connector M18 terminal 37 and ground.

Fig 2: Checking Voltage Between BCM Connector M18 Terminal 37 And Ground

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

OK or NG

• OK : System is OK.
• NG : GO TO 2.

1. Turn ignition switch OFF.
2. Disconnect key switch connector.
3. Check continuity between key switch terminals 3 and 4.
   Fig 3: Checking Key Switch Continuity Between Terminals 3 & 4

   Courtesy of NISSAN MOTOR CO., U.S.A.
   KEY SWITCH TERMINAL 3 & 4 CONTINUITY REFERENCE
   
   

   Terminals	Condition	Continuity
   3 - 4	Key is inserted.	Yes
   	Key is removed.	No

OK or NG

• OK : GO TO 3.
• NG : Replace key switch.

1. Disconnect BCM connector.
2. Check continuity between the BCM harness connector M18 terminal 37 (B/R) and key switch harness connector M80 terminal 4 (B/R).
3. Check Continuity Between BCM Harness Connector M18 Terminal 37 (B/R) And Ground.

   37 (B/R) - 4 (B/R) : Continuity should exist 

   37 (B/R) - Ground : Continuity should not exist 

Fig 4: Checking Continuity Between BCM Harness Connector M18 Terminal 37 And Key Switch Harness Connector M80 Terminal 4 And Ground
Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG

• OK : Check the following.
  • 10A fuse [No. 19, located in fuse block (J/B)]
  • Harness for open or short between key switch and fuse
• NG : Repair or replace harness.