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Diagnosis Procedure

WARNING: This page is about a different car, the 2009 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK COMBINATION METER INPUT SIGNAL
    1. Turn ignition switch ON.
    2. Check voltage between combination meter harness connector M24 terminal 35 and ground.

      3. 35 - Ground 

      When driver seat belt is fastened: Approx. 12 V 

      When driver seat belt is unfastened: Approx. 0 V 

      Is the inspection result normal? 

      YES: Replace combination meter. Refer to "REMOVAL AND INSTALLATION ".

      NO: GO TO 2

    Fig 1: Checking Voltage Between Combination Meter Harness Connector M24 Terminal 35 And Ground
    G05879326Courtesy of NISSAN MOTOR CO., U.S.A.
  2. CHECK SEAT BELT BUCKLE SWITCH CIRCUIT
    1. Turn ignition switch OFF.
    2. Disconnect combination meter and seat belt buckle switch LH.
    3. Check continuity between combination meter harness connector M24 (A) terminal 35 and seat belt buckle switch LH harness connector B202 (B) terminal 1.
      Fig 2: Checking Harness Continuity Between Combination Meter Harness Connector M24 Terminal 35 And Ground
      G05879327Courtesy of NISSAN MOTOR CO., U.S.A.

      4. 35 - 1: Continuity should exist. 

    4. Check harness continuity between combination meter harness connector M24 (A) terminal 35 and ground.

    35 - Ground: Continuity should not exist. 

    Is the inspection result normal? 

    YES: GO TO 3

    NO: Repair or replace harness.

  3. CHECK SEAT BELT BUCKLE SWITCH GROUND CIRCUIT

    4. Check harness continuity between seat belt buckle switch LH harness connector B202 terminal 2 and ground.

    Fig 3: Checking Harness Continuity Between Seat Belt Buckle Switch LH Harness Connector B202 Terminal 2 And Ground
    G05047558Courtesy of NISSAN MOTOR CO., U.S.A.

    2 - Ground: Continuity should exist. 

    Is the inspection result normal? 

    YES: Inspection End.

    NO: Repair or replace harness.

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