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Home >> Nissan-Datsun >> 2006 >> Sentra SE-R >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Gauges & Instrument Panels >> Driver Information System >> Warning Chime >> Trouble Diagnoses (Without Power Door Locks) >> Diagnostic Procedure 3 (Seat Belt Buckle Switch LH Check)

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.
    CONNECTOR TERMINAL VOLTAGE SPECIFICATIONS

    Terminals Condition of seat belt buckle switch LH
    (+) (-) Fastened Unfastened
    Connector Terminal (Wire color)
    M40 1 (W/B) Ground Approx. 5V 0V

    OK or NG 

    OK: Seat belt buckle switch LH is OK.

    NG: GO TO 2.

    Fig 1: Checking Voltage Between Time Control Unit Terminal 1 And Ground
    G04195471Courtesy 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 fastened and unfastened.

    Fig 2: Checking Continuity Between Terminals 1 And 2
    G04195472Courtesy 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 time control unit and seat belt buckle switch LH

    NG: Replace seat belt buckle switch LH.

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