Diagnostic Procedure 2 (Key Switch Insert Signal Check)

1 CHECK KEY SWITCH INPUT SIGNAL
With CONSULT-II

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

Fig 1: Checking Key Switch Input Signal With CONSULT-II
Courtesy of NISSAN MOTOR CO., U.S.A.

Without CONSULT-II

Check voltage between smart entrance control unit harness connector M122 terminal 25 (W/R) and ground.

Fig 2: Checking Key Switch Input Signal Without CONSULT-II
Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG
1. OK Replace smart entrance control unit.
2. NG : GO TO 2.
2 CHECK KEY SWITCH (INSERT)
Check continuity between terminals 1 and 2.

Fig 3: Checking Key Switch (Insert)
Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG
1. OK Check the following.
  - 10A fuse [No. 13, located in fuse block (J/B)]
  - Harness for open or short between key switch and fuse
  - Harness for open or short between smart entrance control unit and key switch
2. NG : Replace key switch.