Diagnostic Procedure 3 (Seat Belt Buckle Switch LH Check)

1. Turn ignition switch ON.
2. Check voltage between time control unit terminal 1 and ground.
   Fig 1: Time Control Unit Terminal 1, Ground And Seat Belt Buckle Switch LH Specification

   Courtesy of NISSAN MOTOR CO., U.S.A.
   Fig 2: Checking Voltage Between Time Control Unit Terminal 1 And Ground

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

OK or NG 

1. OK : Seat belt buckle switch LH is OK.
2. 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 When Seat Belt Is Fastened And Unfastened

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

OK or NG 

1. OK : Check the following.
   • Seat belt buckle switch LH ground circuit
   • Harness for open between time control unit and seat belt buckle switch LH
2. NG : Replace seat belt buckle switch LH.