Key Switch Insert Signal Check

With CONSULT-II 

• Check Key switch ( "IGN KEY SW") in "DATA MONITOR" mode with CONSULT-II.
  1. When key is inserted to :IGN KEY SW ON
  2. ignition key cylinder
  3. When key is removed :IGN KEY SW OFF
  4. to ignition key cylinder

Without CONSULT-II 

1. Disconnect the BCM connector.
2. Check voltage between BCM harness connector M4 terminal 69 (PU/W) and body ground.
   1. Condition of key switch Voltage [V]:
   2. key is inserted : Approx. 12
   3. key is removed : Approx. 0
   Fig 1: Checking Key Switch Input Signal Without Consult-II

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

OK or NG 

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

1. Remove the key from the ignition key cylinder.
2. Disconnect the key switch connector.
3. Check continuity between BCM harness connector M4 terminal 69 (PU/W) and key switch harness connector terminal 4 (PU/W).
   1. Continuity should exist.
   Fig 2: Checking Key Switch Circuit

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

OK or NG 

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

1. Check continuity between key switch harness connector terminals 3 and 4.
   Fig 3: Checking Key Switch (Insert) (1 Of 2)

   Courtesy of NISSAN MOTOR CO., U.S.A.
   Fig 4: Checking Key Switch (Insert) (2 Of 2)

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

OK or NG 

1. OK >> Inspection end.
2. NG >> Replace switch.