Diagnostic Procedure 3 (Seat Belt Buckle Switch LH Check)

1. CHECK SEAT BELT BUCKLE SWITCH LH INPUT SIGNAL
   1. Turn ignition switch ON.
   2. Check voltage between time control unit terminal 1 and ground.
   Fig 1: Seat Belt Buckle Switch LH Input Signal Voltage Table

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

   OK or NG

   OK : Seat belt buckle switch LH is ok.

   NG : GO TO 2.

   Fig 2: Checking Seat Belt Buckle Switch LH Input Signal

   Courtesy of NISSAN MOTOR CO., U.S.A.
2. CHECK SEAT BELT BUCKLE SWITCH LH

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

   Fig 3: Checking Seat Belt Buckle Switch LH

   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 or short between the time control unit and seat belt buckle switch LH

NG : Replace seat belt buckle switch LH.