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Vehicle Speed Sensor Signal Check

  1. Remove vehicle speed sensor from transmission.
  2. Turn vehicle speed sensor pinion quickly and measure voltage across terminals 1 and 2 (with QG18DE), or terminals + and - (with QR25DE).
    Fig 1: Measuring Voltage Across Terminals 1 And 2, Or Terminals + And -
    G02452291Courtesy of NISSAN MOTOR CO., U.S.A.