Diagnostic Procedure 3 (Seat Belt Buckle Switch LH Check)

With CONSULT-II 

Check seat belt buckle switch LH ("SEAT BELT SW") in "DATA MONITOR" mode with CONSULT-II.

Fig 1: CONSULT-II Display - DATA MONITOR

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

Without CONSULT-II 

1. Turn ignition switch ON.
2. Check voltage between smart entrance control unit terminal 22 and ground.
   Fig 2: Checking Voltage Between Smart Entrance Control Unit Terminal 22 And Ground

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

OK or NG 

OK: Seat belt buckle switch LH is OK.

NG: GO TO 2.

Check continuity between terminals 1 and 2 when seat belt is fastened and unfastened.

Fig 3: Checking Continuity Between Terminals 1 And 2

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

OK or NG 

OK: Check the following.

• Seat belt buckle switch LH ground circuit
• Harness for open between smart entrance control unit and seat belt buckle switch LH

NG: Replace seat belt buckle switch LH.