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Low Tire Pressure Warning Control Unit and Multifunction Switch Circuit Inspection

  1. CHECK LOW TIRE PRESSURE WARNING CONTROL UNIT AND MULTIFUNCTION SWITCH OPEN CIRCUIT 
    1. Turn ignition switch OFF.
    2. Disconnect low tire pressure warning control unit connector and multifunction switch connector.
    3. Check continuity between low tire pressure warning control unit harness connector M84 terminal 5 (OR) and multifunction switch harness connector M83 terminal 15 (OR).
      1. 5 (O/R) - 15 (O/R): Continuity should exist. 
    4. Check continuity between low tire pressure warning control unit harness connector M84 terminal 6 (W) and multifunction switch harness connector M83 terminal 16 (W).
      1. 6 (W) - 16 (W): Continuity should exist. 

    OK or NG 

    1. OK: Replace low tire pressure warning control unit.
    2. NG: Repair harness or connector.
    Fig 1: Disconnecting Low Tire Pressure Warning Control Unit Connector
    G02381412Courtesy of NISSAN MOTOR CO., U.S.A.